
Get matched with top insulation pros in Knowlton, NJ
There are 18 highly-rated local insulation pros.
Need a pro for your insulation service project in Knowlton, NJ?
TRUSTED BY KNOWLTON, NJ HOMEOWNERS
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Verified insulation services reviews
Verified Reviews for Insulation Service pros in Knowlton, NJ
*The Angi rating for Insulation Service companies in Knowlton, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
*The HomeAdvisor rating for Insulation Service companies in Knowlton, NJ is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Insulation Service needs.
Last update on October 05, 2025
Find Insulation pros in Knowlton

High Point Insulation, LLC
High Point Insulation, LLC
"High Point Insulation, LLC is a trusted insulation contractor serving the greater Lehigh Valley, Pocono Township, and Central Jersey areas. We have 9 years experience and specialize in providing residential and commercial clients with superior insulation solutions."
"everything went smoothly"
Bradley K on October 2024
"High Point Insulation, LLC is a trusted insulation contractor serving the greater Lehigh Valley, Pocono Township, and Central Jersey areas. We have 9 years experience and specialize in providing residential and commercial clients with superior insulation solutions."
"everything went smoothly"
Bradley K on October 2024

Jersey State Insulations
Jersey State Insulations
Jersey State provides insulations such as: closed/open cell insulation, blown in insulation, sound and firestop insulation. We also retrofit houses for green and comfort energy. Family owned and operated. Business experience 15 years plus
"I recently hired Sebastian and his company to install new fiberglass insulation and Densepack in my attic. I found them to be extremely professional. They did the work as quoted, cleaned up after they were done and took all the trash away. I would highly recommend them."
Gail S on July 2025
Jersey State provides insulations such as: closed/open cell insulation, blown in insulation, sound and firestop insulation. We also retrofit houses for green and comfort energy. Family owned and operated. Business experience 15 years plus
"I recently hired Sebastian and his company to install new fiberglass insulation and Densepack in my attic. I found them to be extremely professional. They did the work as quoted, cleaned up after they were done and took all the trash away. I would highly recommend them."
Gail S on July 2025
Beavers Building, Home Improvement & Repair
Beavers Building, Home Improvement & Repair
Premium home improvement company specializing in carpentry and drywall. We offer services for renovations, restorations, and additions.
"Beavers Building is awesome. From planning to completion Musaddiq was amazing. He has an attention to detail that is honest and refreshing. I would definitely recommend Beavers Building for home improvement needs. Musaddiq turned my dreary ceiling into a beautiful focal point. He does not rush and problem solves as he creates the final product. I cannot say enough about his work. I hope to work with him in the future!"
Charles E on September 2025
Premium home improvement company specializing in carpentry and drywall. We offer services for renovations, restorations, and additions.
"Beavers Building is awesome. From planning to completion Musaddiq was amazing. He has an attention to detail that is honest and refreshing. I would definitely recommend Beavers Building for home improvement needs. Musaddiq turned my dreary ceiling into a beautiful focal point. He does not rush and problem solves as he creates the final product. I cannot say enough about his work. I hope to work with him in the future!"
Charles E on September 2025
M6 Builders LLC
M6 Builders LLC
Premium commercial & residential builders. Building & Carpentry Services including Trims, Drywall, Framing, Insulation, Wall & Floors, Ceilings, Demolition, Doors, Painting & More! Minority Owned Fully Licensed & Insured OSHA 30+
Premium commercial & residential builders. Building & Carpentry Services including Trims, Drywall, Framing, Insulation, Wall & Floors, Ceilings, Demolition, Doors, Painting & More! Minority Owned Fully Licensed & Insured OSHA 30+
Home Genius Exteriors
Home Genius Exteriors
Elevate your home with Home Genius Exteriors, setting the standard in New Jersey by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!
"The guys did a great job on my windows!"
Ambrose P on September 2025
Elevate your home with Home Genius Exteriors, setting the standard in New Jersey by offering full-service solutions for roofing, siding, windows, doors, gutters and insulation. We support our veterans and communities by supporting local and national charitable organizations through our Home Genius Cares initiative. With an Owens Corning® Platinum Preferred designation, we also offer flexible payment options, industry leading warranties and a wide range of premium products tailored for your home. It’s time for a different experience, entrust your next home project to a genius and schedule your free inspection today!
"The guys did a great job on my windows!"
Ambrose P on September 2025
Retrofoam - Pridemark Construction LLC
Retrofoam - Pridemark Construction LLC
Pridemark Construction LLC is a family-owned and operated business. The owners are 3rd and 4th generation Building Restoration Mechanic, with 42 + years of building restoration and renovation experience, specializing in landmarks and older structures. After experiencing Retrofoam in action, we quickly realized the positive impact it could have on the lives of those we served. Incredible energy savings, protection from fire, bugs, mold, rodents and also sound, so we changed our business model to focus mainly on Retrofoam Injection. Retrofoam gives us the relatively inexpensive ability, to insulate any un or under-insulated home or business, without the high cost and mess of removing and replacing walls and ceilings. Your home is your most valuable asset. Our background and experience, uniquely qualify us to address all the problems yours may have, while also bringing your home to peak efficiency, keeping you and your family safer and more comfortable during the hottest and coldest weather, while also saving you money. We always have Financing available and the moment your project is complete, Retrofoam starts paying for its self through energy savings. My family and I are dedicated to bringing honest, fair, lasting service and value, to you and your family, and we look forward to serving you
Pridemark Construction LLC is a family-owned and operated business. The owners are 3rd and 4th generation Building Restoration Mechanic, with 42 + years of building restoration and renovation experience, specializing in landmarks and older structures. After experiencing Retrofoam in action, we quickly realized the positive impact it could have on the lives of those we served. Incredible energy savings, protection from fire, bugs, mold, rodents and also sound, so we changed our business model to focus mainly on Retrofoam Injection. Retrofoam gives us the relatively inexpensive ability, to insulate any un or under-insulated home or business, without the high cost and mess of removing and replacing walls and ceilings. Your home is your most valuable asset. Our background and experience, uniquely qualify us to address all the problems yours may have, while also bringing your home to peak efficiency, keeping you and your family safer and more comfortable during the hottest and coldest weather, while also saving you money. We always have Financing available and the moment your project is complete, Retrofoam starts paying for its self through energy savings. My family and I are dedicated to bringing honest, fair, lasting service and value, to you and your family, and we look forward to serving you
ONeil Brothers Home Service & Repair, LLC
ONeil Brothers Home Service & Repair, LLC
We are a local small handyman service that focuses on providing our customers with great quality work and exceptional customer service. There are many professionals in the construction industry, yet so many just dont seem to act professional. They simply provide just little to no real customer service to their customers. At ONeil Bros., We believe that along with producing quality work we strive to give & guarantee our customers trust, peace of mind, satisfaction, comfort and happiness with the job always completed. ONeil Bros. is composed of two members of whom are brothers. Between them both they have experience in carpentry, framing, drywall, painting, decks, patios, siding, plumbing, electrical , and many more odds and ends. Also we both specialize in home energy solutions (insulation) Types of insulation we can install: blow in cellulose, fiber glass batts, blanket wraps, radiant barriers, and mineral wool. We also do crawl space clean-outs,vapor barriers,and basement wall wraps. Feel free to contact us no matter what the job. Because if we can do it, we will do it.
We are a local small handyman service that focuses on providing our customers with great quality work and exceptional customer service. There are many professionals in the construction industry, yet so many just dont seem to act professional. They simply provide just little to no real customer service to their customers. At ONeil Bros., We believe that along with producing quality work we strive to give & guarantee our customers trust, peace of mind, satisfaction, comfort and happiness with the job always completed. ONeil Bros. is composed of two members of whom are brothers. Between them both they have experience in carpentry, framing, drywall, painting, decks, patios, siding, plumbing, electrical , and many more odds and ends. Also we both specialize in home energy solutions (insulation) Types of insulation we can install: blow in cellulose, fiber glass batts, blanket wraps, radiant barriers, and mineral wool. We also do crawl space clean-outs,vapor barriers,and basement wall wraps. Feel free to contact us no matter what the job. Because if we can do it, we will do it.
Pentagon Custom Building
Pentagon Custom Building
Pentagon Custom Building is a pet-friendly Company with a trustworthy people. When we start a project we finish and meet our client's expectation- provides 100% satisfaction guarantee. License and Insured company so clients are all covered. Sums up to 100% Reliable Roofing Service, Remodeling Service, Kitchen Remodeling, Bathroom Remodeling, Flooring, Framing, Plumbing, Electrical, Drywall, Carpentry West Grove NJ;
Pentagon Custom Building is a pet-friendly Company with a trustworthy people. When we start a project we finish and meet our client's expectation- provides 100% satisfaction guarantee. License and Insured company so clients are all covered. Sums up to 100% Reliable Roofing Service, Remodeling Service, Kitchen Remodeling, Bathroom Remodeling, Flooring, Framing, Plumbing, Electrical, Drywall, Carpentry West Grove NJ;
Contractor Sandoval Carpentry & Painting
Contractor Sandoval Carpentry & Painting
Our business is ran by the boss Atilano Sandoval, who is the person in charged of leading the job. Whom ever is working on any of our jobs responds to Atilano. We are perfectionist, all work done by us is completely professional and as neat as possible. You can make payments by check or cash. We do payment plans while we are getting the job done. Once the job is completely done, all payment should be made.
Our business is ran by the boss Atilano Sandoval, who is the person in charged of leading the job. Whom ever is working on any of our jobs responds to Atilano. We are perfectionist, all work done by us is completely professional and as neat as possible. You can make payments by check or cash. We do payment plans while we are getting the job done. Once the job is completely done, all payment should be made.
Windlock Construction
Windlock Construction
Wind-lock Construction is a waterproofing and construction company that has accredited reputation in the tri-state area. The company's CEO Muzafer Javid has been working in this field for over 30 years under two managements of Windlock Construction and Tri State Construction and Restoration Inc. All worker are licensed professionals.
Wind-lock Construction is a waterproofing and construction company that has accredited reputation in the tri-state area. The company's CEO Muzafer Javid has been working in this field for over 30 years under two managements of Windlock Construction and Tri State Construction and Restoration Inc. All worker are licensed professionals.
The Knowlton, NJ homeowners’ guide to insulation services
From average costs to expert advice, get all the answers you need to get your job done.
Insulating your attic can massively improve your home’s efficiency and reduce electric bills. Use this guide to find out what attic insulation will cost you.
New insulation can make your home more comfortable and boost energy efficiency. Use this insulation cost guide to get an accurate estimate for the installation.
How much does a radiant barrier cost? Our guide breaks down prices by type of barrier and size of your attic space.
Are you stuck trying to decide between blown-in insulation and spray foam insulation? Factors like your budget and local climate will help you pick the right one.
Read our step-by-step guide and learn how to remove fiberglass insulation. Our instructions will help you remove this tricky material quickly and safely.
Our guide helps you select the right type of garage insulation to regulate temperature, sounds, and smells in your garage space.
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