Burley ID (205) 431-9646 [email protected]
Happy Clients

345

Projects Done

2345

Win Awards

45

About Us

Burley, ID Insulation Installation & Removal Company

If you’re looking for professional insulation installation and removal services in Burley, ID, our team is your go-to expert for enhancing energy efficiency and comfort in your home or business. Proper insulation is critical in maintaining consistent indoor temperatures, reducing energy bills, and promoting a healthier living environment. Our experienced technicians specialize in the installation and removal of various types of insulation, including attic, wall, crawl space, and basement insulation, as well as advanced solutions like spray foam and blown-in insulation.
At ProBarrier Insulation Installation & Removal, we understand the importance of high-quality insulation in Burley, ID’s diverse climate. Whether you’re upgrading outdated insulation or removing damaged materials, our comprehensive services ensure your property is well-protected and energy-efficient. We use industry-leading techniques and materials to deliver superior insulation solutions that meet the specific needs of your home or business.
Our insulation removal services are just as crucial. We safely and efficiently remove old or contaminated insulation, preparing your space for a fresh installation that meets current energy standards. With our commitment to excellence, we guarantee that your insulation project will be completed on time, within budget, and to your complete satisfaction.
Choose ProBarrier Insulation Installation & Removal for all your insulation installation and removal needs in Burley, ID, and enjoy a more comfortable, energy-efficient space year-round.

Award Winning
Professional Staff
24/7 Support
Fair Prices
Click Here To Call Us

(205) 431-9646

Request A Quote
Burley, ID Insulation Installation & Removal Company
Types of Insulation We Offer in Burley, ID

Types of Insulation We Offer in Burley, ID

At ProBarrier Insulation Installation & Removal, we specialize in providing top-quality insulation solutions to improve the comfort and energy efficiency of homes and businesses in Burley, ID. Whether you need installation for a new property or want to upgrade your existing insulation, we offer a range of options tailored to your specific needs.
Fiberglass Insulation
Fiberglass is one of the most popular and cost-effective insulation materials available. It’s known for its ability to reduce heat transfer and is ideal for insulating attics, walls, and floors. Our expert team ensures precise installation, maximizing the energy efficiency of your space while keeping costs low.
Spray Foam Insulation
For superior coverage and air sealing, our spray foam insulation is a top choice. This material expands to fill even the smallest gaps, providing a high level of insulation and moisture resistance. Spray foam is perfect for hard-to-reach areas and offers excellent long-term performance, reducing energy costs.
Cellulose Insulation
Made from recycled materials, cellulose insulation is an eco-friendly option that provides excellent thermal performance and fire resistance. We recommend cellulose for insulating attics, walls, and crawl spaces. It’s also effective at reducing noise, making your home quieter and more comfortable.
Radiant Barrier Insulation
For homes in warmer climates, our radiant barrier insulation reflects heat away from your property, keeping your interior cool and reducing air conditioning costs. It’s an ideal solution for attics and other areas that receive direct sunlight.
At ProBarrier Insulation Installation & Removal, we offer tailored insulation solutions to suit every home and budget in Burley, ID. Let us help you improve your home’s energy efficiency today!

Click Here To Call Us

(205) 431-9646

Request A Quote
Our Services

Reliable Insulation Installation & Removal Services in Burley, ID

Vapor Barrier Installation

Vapor Barrier Installation

Installing a vapor barrier is essential for controlling moisture in areas like basements, crawl spaces, and attics. A properly installed vapor barrier can protect your home from unwanted moisture, preventing mold growth, structural damage, and insulation deterioration. Our vapor barrier installation services are comprehensive, ensuring that your home is safeguarded from moisture. We assess your property to identify areas where vapor barriers are needed and recommend solutions that fit your unique conditions. Our installation process is thorough, utilizing high-quality materials that stand the test of time. Trust us for your vapor barrier needs, and benefit from improved air quality and reduced risk of moisture-related issues.

Call Us

Energy-Efficiency Assessments

Energy-Efficiency Assessments

Conducting energy-efficiency assessments is vital for identifying areas of improvement in your home or business. These assessments provide invaluable insights into where energy is being wasted and what specific actions can be taken to enhance energy performance. When you choose us for an energy-efficiency assessment, our team of professionals performs a comprehensive analysis of your property. We utilize cutting-edge technology, including thermal imaging, to detect air leaks and insulation gaps. Our tailored reports guide you in making informed decisions about insulation upgrades, HVAC improvements, and other energy-saving measures. With our expertise, you'll understand the best ways to optimize your property for energy efficiency.

Call Us

Weatherproofing Services

Weatherproofing Services

Ensuring your property is properly weatherproofed is crucial for maintaining comfort and energy efficiency year-round. At ProBarrier, we provide comprehensive weatherproofing services in Burley, ID, dedicated to protecting your home from the elements. Our team understands that proper weatherproofing entails more than just insulation; it involves sealing gaps, air leaks, and installing protective barriers against moisture intrusion. Our services include inspecting windows, doors, and vents and applying caulking or weatherstripping as needed to create airtight seals. Additionally, we offer insulation assessments to ensure optimal thermal performance, keeping your energy bills in check and enhancing overall comfort. Choosing ProBarrier for your weatherproofing needs means partnering with a team committed to quality and customer satisfaction. We strive to provide thorough reports on areas needing attention and effective solutions tailored to your specific requirements. Ensure your home is protected and energy-efficient with our weatherproofing services .

Call Us

Fireproof Insulation

Fireproof Insulation

Fireproof insulation can be a critical component in safeguarding your property from fire hazards. It not only helps to contain flames but also prevents the spread of smoke, giving occupants valuable time to escape. Fire-resistant insulation is essential for both residential and commercial properties. When you select our fireproof insulation services, you're choosing a company that prioritizes safety. Our team is knowledgeable about the latest fire safety standards and regulations. We offer a range of fire-resistant insulation materials suited to various applications in your building, ensuring compliance and peace of mind. Our installation processes provide durability and effectiveness, reinforcing your property against potential hazards.

Call Us

Insulation Air Sealing

Insulation Air Sealing

Achieving optimal insulation performance involves more than just adding insulation; it requires effective air sealing to eliminate drafts and air leaks. Our insulation air sealing services focus on sealing gaps, cracks, and openings throughout your home, ensuring that your insulation achieves its maximum effectiveness. Through careful inspections and advanced techniques, we identify the key areas where air infiltration occurs and take the necessary corrective actions. Proper air sealing leads to improved energy efficiency, enhanced comfort, and lower utility costs. Trust us for our expertise and dedication to ensuring your home is well-sealed and insulated for lasting comfort and savings .

Call Us

Reflective Insulation in Burley, ID

Reflective Insulation in Burley, ID

Reflective insulation is an excellent option for reducing heat gain in hot climates, making it ideal for homes . It works by reflecting radiant heat away, keeping your space cooler and reducing the load on your cooling system. At ProBarrier, our team offers expert reflective insulation installation tailored to your specific needs. We use high-quality materials and precise techniques to ensure maximum effectiveness.

Call Us

Eco-Friendly or Green Insulation Solutions

Eco-Friendly or Green Insulation Solutions

Many homeowners are passionate about sustainability and reducing their environmental impact. Our eco-friendly insulation solutions cater to this desire for green living by offering materials such as cellulose, wool, or recycled-content insulation. We prioritize products that are effective yet produced sustainably, ensuring you not only maintain a comfortable home but also contribute positively to the environment. Our team is well-versed in green building practices and can guide you in selecting the right eco-friendly insulation for your home. By choosing us as your partner for green insulation solutions, you'll benefit from our expertise and commitment to a healthy home and planet.

Call Us

Thermal Imaging for Insulation Gaps

Thermal Imaging for Insulation Gaps

Identifying gaps in your insulation can be challenging, but our thermal imaging service provides a high-tech solution to uncover hidden issues. Using advanced infrared technology, we can detect areas where heat is escaping, allowing us to pinpoint insulation deficiencies accurately. This non-invasive assessment gives us a detailed view of your home’s thermal performance, enabling us to implement targeted improvements effectively. Our skilled technicians combine years of experience with state-of-the-art technology to enhance your home’s energy efficiency. Choose us for thermal imaging services that ensure you have an insulated home free from energy inefficiencies . 28

Call Us

Why Choose Us

We Are Here to Grow Your Business Exponentially

Best In Industry

Delivering top-notch service with proven expertise and unmatched quality!

Award Winning

Our experienced team is dedicated to providing exceptional service with skill and professionalism you can trust!

Insulation Installation & Removal

Professional Staff

Our trained and certified experts ensure top-quality service, delivering reliable results with professionalism and care.

24/7 Support

We're here for you anytime, day or night, providing round-the-clock assistance whenever you need it!

Request A Quote

Expert Insulation Solutions for Burley, ID Homes

Reply within 24 hours
24 hrs telephone support

At ProBarrier Insulation Installation & Removal, we pride ourselves on delivering unparalleled insulation services across all cities in Burley, ID. Our commitment to excellence and customer satisfaction sets us apart from the competition.
Choosing ProBarrier means opting for top-tier expertise and quality. Our highly trained professionals bring years of experience to every project, ensuring precise and efficient insulation installation and removal. We use the latest technologies and high-quality materials to enhance your home's energy efficiency, comfort, and safety.
What makes us the preferred choice in Burley, ID? It’s our dedication to personalized service. We understand that each property is unique, and we tailor our solutions to meet your specific needs and preferences. Whether you’re looking to upgrade your insulation or need a comprehensive removal service, our team works closely with you to achieve the best results.
Our transparent pricing and detailed consultations ensure there are no surprises. We provide clear estimates and professional advice to help you make informed decisions. Additionally, our prompt and reliable service minimizes disruption to your daily life.
At ProBarrier, customer satisfaction is our top priority. Our team is available to answer your questions and address your concerns, ensuring a smooth and stress-free experience. For the best insulation installation and removal services in Burley, ID, choose ProBarrier Insulation Installation & Removal. Contact us today to learn how we can enhance your home's comfort and efficiency.

Click Here To Call Us

(205) 431-9646

Top Notch Services

Our Expert Insulation Installation & Removal in Burley ID

Attic Insulation Installation in Burley, ID

Attic insulation is a vital component of any home’s energy efficiency strategy. Proper insulation in your attic can significantly reduce your heating and cooling costs, creating a more comfortable living space while saving you money. At our company, we specialize in expert attic insulation installation tailored to your home’s unique needs. Our experienced team understands the importance of choosing the right insulation material, whether it be fiberglass, cellulose, or spray foam. We ensure that your attic is adequately insulated, preventing heat loss in winter and keeping your home cool during summer. With cutting-edge technology, we assess your attic space to determine the optimal insulation solution. Why choose us? Our commitment to quality, coupled with certified technicians who are passionate about optimizing your home’s energy performance, sets us apart as the best choice for attic insulation installation .



Click Here To Call Us

Wall Insulation Installation

Proper wall insulation installation not only enhances your home’s energy efficiency but also provides a solid barrier against sound. Insulated walls can keep your home quieter, blocking the noise from bustling street life or rowdy neighbors. Insulation also regulates the temperature within your home, ensuring that you remain comfortable regardless of the season. Choosing us ensures that you have a full-service experience. Our experienced professionals assess your home’s insulation needs with precision, recommending the best insulation for your walls. Whether you choose fiberglass, spray foam, or cellulose, we are here to guide you towards making an informed decision. We pride ourselves on our transparent quoting and commitment to delivering projects on time. With our post-installation support, you can rest assured that any concerns you may have will be addressed.



Click Here To Call Us

Basement Insulation

Basement insulation is often neglected, yet it plays an essential role in regulating your home’s temperature and protecting your investment. Proper insulation can prevent mold growth and moisture issues, which can lead to severe structural damage over time. Investing in basement insulation is not just about comfort but also about safeguarding your home against future repairs and high energy costs. When you choose us for basement insulation, you're selecting a company that understands the local climate and its effects on your home. Our professional team assesses the unique characteristics of your basement, ensuring a tailored approach to insulation. We utilize high-quality insulation products that are moisture-resistant and energy-efficient. Plus, our knowledge in both residential and commercial spaces means that we can handle any job, big or small, with ease and expertise.



Click Here To Call Us

Crawl Space Insulation

Insulating your crawl space is vital for maintaining energy efficiency and ensuring a healthier environment in your home. A well-insulated crawl space can reduce heating and cooling costs while preventing moisture intrusion, which is one of the leading causes of mold growth and wood rot. At [Company Name], our crawl space insulation experts are here to provide you with a comprehensive solution tailored to your space. We understand the nuances of crawl space environments and know how to effectively insulate and seal them to prevent drafty conditions. Our team uses advanced materials that withstand high humidity and promote a healthier air quality within your home. You can trust us to deliver high-quality work with minimal disruption to your daily life.



Click Here To Call Us

Spray Foam Insulation

If you're looking for a versatile and high-performance insulation option, spray foam insulation is an excellent choice. Known for its superior air sealing and thermal performance, spray foam expands to fill gaps and cracks, creating an airtight barrier that keeps your home comfortable year-round. Our experienced technicians at ProBarrier utilize the latest technology to install spray foam insulation in homes throughout Burley, ID. With our commitment to quality and customer satisfaction, we provide a solution that reduces energy costs and enhances indoor air quality.



Click Here To Call Us

Blown-In Insulation

Blown-in insulation is an ideal solution for adding insulation to existing walls, attics, and hard-to-reach spaces without major renovations. This insulation type is made from various materials, including cellulose and fiberglass, making it both eco-friendly and effective. At ProBarrier, we pride ourselves on our efficiency and expertise in blown-in insulation installation. Our team carefully assesses your property in Burley, ID to determine the best approach for improving your insulation levels while minimizing disruption.



Click Here To Call Us

Batt and Roll Insulation

Batt and roll insulation remains a widely popular and effective choice for both new constructions and existing homes. At ProBarrier, we offer superior batt and roll insulation installation services tailored to the specific needs of your property . This insulation type comes pre-cut, making it easy to install in various locations such as walls, floors, and attics, providing excellent energy efficiency while being budget-friendly. The primary benefit of batt and roll insulation is its ease and speed of installation, offering substantial thermal performance. We offer a range of options, including fiberglass, mineral wool, and cotton, to cater to your preferences. Properly installed batt insulation acts as a barrier, regulating temperature and reducing energy consumption. Our team of skilled professionals at ProBarrier ensures precise installation and a clean workspace, emphasizing customer satisfaction. We take the time to assess your insulation needs comprehensively, recommending the best products and covering every nook and cranny for maximum efficiency. Choose us for your batt and roll insulation needs and experience heating and cooling savings .



Click Here To Call Us

Radiant Barrier Insulation

Radiant barrier insulation is designed to reflect radiant heat away from your living spaces, particularly beneficial in warmer climates. This insulation type helps lower cooling costs and keeps your home comfortable during hot summer months. Our radiant barrier installation services involve applying reflective materials in attics, where they can be most effective in reducing heat gain. Our professional team will assess your home to determine the best approach to incorporate radiant barriers into your existing insulation. Trust in our expertise to help you create a cooler, more energy-efficient home, and choose us for our specialized knowledge and outstanding customer service in the realm of radiant barrier insulation.



Click Here To Call Us

Soundproof Insulation

As homes become more open and communal, the need for soundproof insulation has soared. Whether you’re creating a media room, a home office, or simply desire a quieter living environment, soundproof insulation is key. It absorbs sound energy, reducing noise transmission between rooms and creating a more peaceful atmosphere. When you choose our soundproof insulation services, you’re opting for a team that understands acoustics and specializes in soundproofing techniques. We evaluate your space to determine the best materials and installation methods to meet your noise reduction needs. Our products include acoustic panels, insulation batts, and specialized materials designed to minimize sound transmission. We're committed to helping you achieve the perfect sound environment, ensuring every installation is effective and tailored to your lifestyle.



Click Here To Call Us

Insulation Removal

Insulation removal is an essential service for those who suspect their insulation is damaged, contaminated, or simply outdated. Older insulation can harbor pests, allergens, and mold, which can compromise your indoor air quality. Ensuring that your insulation is clean and effective is crucial for maintaining a healthy home environment. Our insulation removal services are thorough, efficient, and performed by professionals equipped with state-of-the-art tools. We carefully assess the insulation in your home, identifying areas that require removal. Our trained technicians ensure that the process is seamless and hassle-free, using proper safety protocols to protect your home during removal. After removal, we provide insights into replacement options to ensure your home is insulated with high-quality materials to maximize comfort and efficiency.



Click Here To Call Us

Insulation Replacement

Is your existing insulation failing to perform as it should? At ProBarrier, we offer professional insulation replacement services in Burley, ID, ensuring your home or business reaches its full energy efficiency potential. Over time, insulation can degrade due to moisture, pests, or settling, which can cause higher energy bills and uncomfortable living conditions. Our team specializes in identifying and replacing outdated or damaged insulation with high-quality, energy-efficient materials. When you choose us for insulation replacement, our process begins with a thorough inspection of your property to identify insulation deficiencies. We discuss your options for replacement materials, including modern solutions like spray foam or eco-friendly cellulose, ensuring you find an option that fits your needs and budget. Our expert installers work efficiently and effectively, minimizing disruption while ensuring that your new insulation is installed to the highest standards. At ProBarrier, our commitment to quality, safety, and customer satisfaction is what sets us apart. We understand the importance of a well-insulated home for comfort and energy efficiency, and we strive to exceed your expectations at every step. Trust us for expert insulation replacement services .



Click Here To Call Us

Insulation for New Construction

Building a new home is an exciting venture, and selecting the right insulation is critical for future efficiency and comfort. At ProBarrier, we assist builders and homeowners with expert insulation services tailored for new constructions. We understand the importance of a well-planned insulation strategy to enhance energy performance and indoor environments. Our team works closely with your construction plans to recommend and install the best insulation solutions available.



Click Here To Call Us

Insulation for Existing Homes in Burley, ID

Are you ready to upgrade your existing home’s insulation? At ProBarrier, we offer specialized insulation services for existing homes in Burley, ID. Older homes often have outdated or insufficient insulation, leading to energy loss, discomfort, and higher utility bills. Our team is skilled in identifying the specific needs of your home and recommending tailored solutions that enhance energy efficiency. We provide a range of services, from insulation assessments to installation of modern materials like spray foam and cellulose. Our experts work diligently to ensure that your existing home achieves optimal insulation performance, improving comfort and reducing energy consumption. Whether through blown-in insulation for attics and walls or new materials for crawl spaces, we focus on achieving the best results for your unique situation. When you choose ProBarrier, you are partnering with an experienced team dedicated to improving your home’s efficiency and comfort. We pride ourselves on exceptional customer service, quality workmanship, and attention to detail, ensuring you get the best experience possible. For effective insulation solutions for your existing home choose us.



Click Here To Call Us

Commercial Insulation Services in Burley, ID

For commercial buildings, proper insulation is crucial for maintaining a productive work environment and reducing energy costs. Whether you're constructing a new business facility or renovating an existing one, commercial insulation plays a vital role in temperature regulation, noise reduction, and overall comfort. We offer specialized commercial insulation services tailored to business owners’ unique needs. Our team is experienced in handling large-scale projects, and we collaborate closely with contractors and property managers to ensure efficient timelines and quality results. We provide insulation solutions that meet industry standards and energy efficiency requirements, ensuring your business operates smoothly and cost-effectively.



Click Here To Call Us

Garage Insulation

Garages often serve multiple purposes, from parking vehicles to functioning as workshops or storage. Insulating your garage can regulate temperature, minimize energy loss, and improve comfort throughout your home. Our garage insulation services focus on providing effective insulation solutions that address the unique requirements of this often-overlooked space. We utilize various materials, including foam board and blown-in insulation, to create a climate-controlled environment that also minimizes noise. By choosing us for your garage insulation needs, you’ll experience enhanced energy efficiency and comfort in your home. Our expert knowledge ensures that your garage performs at its best while integrating with your home’s overall insulation strategy.



Click Here To Call Us

Pipe and Duct Insulation in Burley, ID

Proper insulation of pipes and ducts is crucial to maintain the efficiency of your HVAC system and prevent energy loss. Insulating these components helps to ensure optimal performance and can reduce your utility bills. Our dedicated team at ProBarrier provides comprehensive pipe and duct insulation services . We focus on using the right materials and techniques to ensure maximum durability and energy savings.



Click Here To Call Us

Insulation for Metal Buildings in Burley, ID

Metal buildings require specialized insulation to address the unique challenges posed by metal construction. At ProBarrier, we provide expert insulation services for metal buildings using effective solutions that improve energy efficiency and thermal comfort. Without proper insulation, metal buildings can face severe temperature fluctuations and condensation issues that compromise structural integrity and comfort. We utilize advanced insulation materials designed specifically for metal structures, including reflective insulation and foam board. These materials help regulate indoor temperatures and reduce energy costs significantly, creating comfortable living or working conditions. Our team carefully assesses your metal building to determine the most suitable insulation method to optimize energy retention. Opting for ProBarrier ensures that you receive top-notch service dedicated to maximizing your building's performance. Our experienced professionals adhere to the highest installation standards and prioritize customer satisfaction to achieve excellent results. Choose us for insulation solutions that create energy-efficient and comfortable environments within your metal buildings .



Click Here To Call Us

Call Us For Quote

Our expert team is ready to provide you with a comprehensive and personalized quote tailored to your specific needs. We offer effective Insulation Installation & Removal to ensure your space remains safe and comfortable. Reach out to us today

(205) 431-9646

Insulation Maintenance and Repair Services in Burley, ID

At ProBarrier Insulation Installation & Removal, we understand the importance of keeping your insulation in peak condition. Over time, insulation can degrade, become damaged, or lose its effectiveness, leading to increased energy bills and uncomfortable living conditions. Our insulation maintenance and repair services in Burley, ID are designed to ensure your home remains energy-efficient and comfortable year-round.
Comprehensive Insulation Inspections
Our team begins with a thorough inspection of your insulation, identifying any issues such as moisture damage, pest infestations, or wear and tear. By assessing your attic, walls, and crawl spaces, we can pinpoint areas that require attention, ensuring your insulation is performing at its best.
Effective Insulation Repairs
If we find damaged or deteriorated insulation, our experts will recommend and implement the best repair solutions. Whether it’s replacing sections of fiberglass or reapplying spray foam insulation, we use industry-leading techniques to restore your home’s energy efficiency and prevent heat loss.
Regular Maintenance for Longevity
To avoid future issues, we offer scheduled maintenance services to keep your insulation in optimal condition. Routine inspections and minor repairs can extend the lifespan of your insulation, saving you money in the long run by preventing the need for complete replacements.
With ProBarrier Insulation Installation & Removal, you can trust that your insulation is in good hands. Our professional maintenance and repair services ensure your property in Burley, ID remains energy-efficient and protected. Contact us today to schedule an inspection and keep your home comfortable year-round!

Click Here To Call Us

(205) 431-9646

Testimonial

What Our Clients Say About Our Insulation Installation & Removal

Areas We Serve Insulation Installation & Removal in Burley, ID





Popular Zip Codes



83318


Burley, ID Insights: Population, Influence, and Service Areas

Burley (/ˈbʊrliː/) is a city in Cassia and Minidoka counties in southern Idaho, United States. The population was 11,704 at the 2020 census, up from 10,345 in 2010. The city is the county seat of Cassia County.

Other Services: Mold Removal / Siding

FAQ - Insulation Installation & Removal Services

What areas of a home should be insulated in Burley, ID?

ProBarrier recommends insulating attics, walls, floors, basements, and crawl spaces to maximize energy efficiency in Burley, ID.

What R-value insulation is best for homes in Burley, ID?

The recommended R-value depends on the climate but ProBarrier can help you choose the best option for your home.

How does insulation affect indoor air quality

Proper insulation from ProBarrier can improve indoor air quality by reducing drafts and controlling humidity .

How long does insulation installation take with ProBarrier in Burley, ID?

The duration depends on the project size, but most insulation installations are completed within a day in Burley, ID.

Can ProBarrier help with insulation removal in Burley, ID?

Yes, ProBarrier offers safe insulation removal and replacement services in Burley, ID.

Does ProBarrier offer attic insulation

Yes, ProBarrier provides expert attic insulation services to improve energy efficiency .

Does ProBarrier offer eco-friendly insulation options in Burley, ID?

Yes, ProBarrier offers environmentally friendly insulation materials like cellulose and spray foam .

What are the benefits of spray foam insulation from ProBarrier

Spray foam insulation provides superior energy efficiency, air sealing, and moisture control .

Is ProBarrier licensed and insured in Burley, ID?

Yes, ProBarrier is fully licensed and insured to offer insulation services .

What types of insulation does ProBarrier offer in Burley, ID?

ProBarrier offers spray foam, fiberglass, cellulose, and rigid foam insulation services .

Get In Touch

Burley ID

(205) 431-9646

Insulation Installation & Removal near me Idaho Insulation Installation & Removal Pros 2024. Designed by HTML Codex

Call Us (205) 431-9646