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Find Attic insulation installers in Randolph

Avatar for Monk's Home Improvements

Monk's Home Improvements

1095 Mount Kemble Ave
4.73(
578
)
•Approved Pro

Monk's Home Improvements

1095 Mount Kemble Ave
4.73(
578
)
•Approved Pro
Customers say: Super punctual
Recommended by 92% of Angi customers
Recommended by 92% of HomeAdvisor customers
1290 local quotes requested

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

"This was the 4th or 5th project that we have done with Monk’s and as always we were very pleased with the outcome. Our Project Manger Ward, was very professional and attentive, making sure every last detail was addressed. The painting team, led by Gustavo, was extremely professional and courteous. Their attention to detail was impressive - All in all, we were quite pleased with the project and will not hesitate to hire Monk’s again."

Mike F on October 2025

Along with the Monk's Kitchen & Bath Design Studio, we are a full-service home improvement provider. Monk's will help you plan, design, and purchase everything you need for a remodel. Then our expert craftsmen will install everything and our painters will come and complete the job.

"This was the 4th or 5th project that we have done with Monk’s and as always we were very pleased with the outcome. Our Project Manger Ward, was very professional and attentive, making sure every last detail was addressed. The painting team, led by Gustavo, was extremely professional and courteous. Their attention to detail was impressive - All in all, we were quite pleased with the project and will not hesitate to hire Monk’s again."

Mike F on October 2025

Avatar for AVA flooring professionals LLC

AVA flooring professionals LLC

25 Princeton Ave
5.00(
14
)
•Approved Pro

AVA flooring professionals LLC

25 Princeton Ave
5.00(
14
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
74 local quotes requested

We are a family owned business that specializes in all your hardwood flooring needs. Our services range from repair, rehabilitation, maintenance, and installations. We are fully licensed and insured. Our goal is to provide a unique and smooth experience to make sure that our customers are happy.

"Fantastic! Alejandro and Ryan did a beautiful job installing our vinyl flooring over underlayment in our office. I highly recommend AVA Flooring 100% We asked them to return to install vinyl click flooring over the tile in our kitchen as well. Excellent work and fair pricing for both jobs."

Gregg M on February 2025

We are a family owned business that specializes in all your hardwood flooring needs. Our services range from repair, rehabilitation, maintenance, and installations. We are fully licensed and insured. Our goal is to provide a unique and smooth experience to make sure that our customers are happy.

"Fantastic! Alejandro and Ryan did a beautiful job installing our vinyl flooring over underlayment in our office. I highly recommend AVA Flooring 100% We asked them to return to install vinyl click flooring over the tile in our kitchen as well. Excellent work and fair pricing for both jobs."

Gregg M on February 2025

Avatar for Jersey State Insulations

Jersey State Insulations

5.00(
8
)
•Approved Pro

Jersey State Insulations

5.00(
8
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
76 local quotes requested

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

Avatar for Acorn Home Improvements Inc

Acorn Home Improvements Inc

622 Rte 10
4.63(
144
)
•Approved Pro

Acorn Home Improvements Inc

622 Rte 10
4.63(
144
)
•Approved Pro
Customers say: Quality work
550 local quotes requested
39 years of experience

We are local, family owned home improvement company specializing in wood and vinyl replacement windows, vinyl siding, roofing and blown-in cellulose insulation. We are fully licensed and insured. We offer free in home consultations and estimates, with the use of thermal-imaging technology. We have been serving the community for 30 years, with a reputation of delivery high quality products at a great value. Additional email: Info@AcornHomeImprovements.com.

"Acorn was great. As a first time homeowner, I appreciated the recommendations they made for replacing the old insulation in our attic and getting the largest bang for our buck. At the same time, they didn't try to upsell us on things other contractors recommended. Overall, the price was competitive and the work quality was high."

Sam R on December 2024

We are local, family owned home improvement company specializing in wood and vinyl replacement windows, vinyl siding, roofing and blown-in cellulose insulation. We are fully licensed and insured. We offer free in home consultations and estimates, with the use of thermal-imaging technology. We have been serving the community for 30 years, with a reputation of delivery high quality products at a great value. Additional email: Info@AcornHomeImprovements.com.

"Acorn was great. As a first time homeowner, I appreciated the recommendations they made for replacing the old insulation in our attic and getting the largest bang for our buck. At the same time, they didn't try to upsell us on things other contractors recommended. Overall, the price was competitive and the work quality was high."

Sam R on December 2024

Avatar for Classic Hardwood Floors LLC

Classic Hardwood Floors LLC

Alicia Ave
4.81(
27
)
•Approved Pro

Classic Hardwood Floors LLC

Alicia Ave
4.81(
27
)
•Approved Pro
Customers say: Quality work
Recommended by 96% of Angi customers
Recommended by 96% of HomeAdvisor customers
540 local quotes requested

With over 16 years experience in all types of flooring you will get better service and excellent quality with us. We specialize in Hardwood, Laminate, Ceramic, Vinyl, Pre-Finished and Unfinished Flooring, and we can can do custom stain colors. We strive to take care of all your needs from start to finish and you will deal with the same person from beginning to end of the project. Our goal is to make you a happy and satisfied customer! Call today for a free estimate!

"Perfectly. They were quick, professional, and did a fantastic job."

Tyler D on June 2025

With over 16 years experience in all types of flooring you will get better service and excellent quality with us. We specialize in Hardwood, Laminate, Ceramic, Vinyl, Pre-Finished and Unfinished Flooring, and we can can do custom stain colors. We strive to take care of all your needs from start to finish and you will deal with the same person from beginning to end of the project. Our goal is to make you a happy and satisfied customer! Call today for a free estimate!

"Perfectly. They were quick, professional, and did a fantastic job."

Tyler D on June 2025

Danch Flooring

9 Boyd Ln.
No reviews yet

Danch Flooring

9 Boyd Ln.
No reviews yet
42 years of experience

Danch Flooring a division of Danch Home LLC has been in the flooring business for over 35 years. We offere shop at home service and estimates are always free. Our years of experience will make your flooring needs simple and flawless.

Danch Flooring a division of Danch Home LLC has been in the flooring business for over 35 years. We offere shop at home service and estimates are always free. Our years of experience will make your flooring needs simple and flawless.

Defaria Hardwood Flooring Sales Installation

629 BROADWAY
No reviews yet

Defaria Hardwood Flooring Sales Installation

629 BROADWAY
No reviews yet
15 years of experience

Distributors of Hardwood Flooring and Supplies to the Flooring Industry

Distributors of Hardwood Flooring and Supplies to the Flooring Industry

Bellari Home Remodeling

20 County Line Rd
4.74(
107
)

Bellari Home Remodeling

20 County Line Rd
4.74(
107
)
Customers say: Super punctual
Recommended by 91% of Angi customers
Recommended by 91% of HomeAdvisor customers

Bellari offers home remodeling solutions just like we have since we were founded in 1950 as Somerville Aluminum. Our staff of experienced professionals sell and install a wide-range of name-brand home remodeling products. From windows, doors, siding, roofing, decks, sunrooms, awnings and handyman services to kitchens and bathrooms, we pride ourselves on the versatility and quality of the home remodeling solutions we offer New Jersey homeowners. Contact Bellari today to get an estimate for your next home improvement project, or visit our showroom in Branchburg, NJ.

Bellari offers home remodeling solutions just like we have since we were founded in 1950 as Somerville Aluminum. Our staff of experienced professionals sell and install a wide-range of name-brand home remodeling products. From windows, doors, siding, roofing, decks, sunrooms, awnings and handyman services to kitchens and bathrooms, we pride ourselves on the versatility and quality of the home remodeling solutions we offer New Jersey homeowners. Contact Bellari today to get an estimate for your next home improvement project, or visit our showroom in Branchburg, NJ.

D BROTHERS

9022 Krier Pl
No reviews yet

D BROTHERS

9022 Krier Pl
No reviews yet
33 years of experience

As a handyman, Oscar will offer a wide range of home repair services. The services are generally fairly minor tasks, if the problem becomes major a contractor is best suited to solve the difficulty. Handy Man Oscar will offer the value-added feature to pre-screen a contractor when Oscar is unable to perform the repair. This will develop a trust bond with the customer so that when a more minor issue comes up the customer is more likely to call Oscar due to his honesty displayed earlier. Oscar offers fix-it services for: fences, decks/patios, painting, weather proofing, floors, dry wall.

As a handyman, Oscar will offer a wide range of home repair services. The services are generally fairly minor tasks, if the problem becomes major a contractor is best suited to solve the difficulty. Handy Man Oscar will offer the value-added feature to pre-screen a contractor when Oscar is unable to perform the repair. This will develop a trust bond with the customer so that when a more minor issue comes up the customer is more likely to call Oscar due to his honesty displayed earlier. Oscar offers fix-it services for: fences, decks/patios, painting, weather proofing, floors, dry wall.

Avatar for Cramers Carpet One Floor & Home

Cramers Carpet One Floor & Home

73 Main St
5.00(
10
)

Cramers Carpet One Floor & Home

73 Main St
5.00(
10
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

It's been our pleasure to serve the flooring needs of the Madison area. We’re your family owned, neighborhood flooring experts. Drop by and let us help you choose the perfect flooring for your particular home and lifestyle.

It's been our pleasure to serve the flooring needs of the Madison area. We’re your family owned, neighborhood flooring experts. Drop by and let us help you choose the perfect flooring for your particular home and lifestyle.

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FAQs for attic insulation installation projects in Randolph, NJ

The best attic insulation depends on where you live, the project stage, and your budget. New builds often benefit from structural insulated panels for top-tier efficiency, while homes in very warm regions can see big cooling savings with reflective insulation. Blown-in, loose-fill, and spray foam all excel at filling odd spaces in finished attics. Talk with a certified local pro to match the material to your climate, space, and wallet.

You’ll only need a licensed electrician if the project calls for moving existing wiring or adding new fixtures. For straightforward insulation jobs, your insulation installer can work around current cables. That said, never start insulating until a pro has checked any questionable wiring. If you suspect damaged or outdated circuits, book an electrician first to keep the project—and your home—safe and code-compliant.

Without air sealing, even the best insulation can underperform. Gaps let heated or cooled air leak out, forcing your HVAC system to work harder and driving up energy bills. Sealing those cracks before adding insulation locks in conditioned air, keeps moisture at bay, and helps the new material hit its full R-value. Ask your insulation pro to tackle sealing first so you enjoy consistent comfort and lower monthly costs.

Among readily available options, structural insulated panels and rigid foam boards top the charts with R-values that can reach 8.0. They’re ideal for new construction or very cold climates where maximum thermal resistance matters most. If you live in a milder zone, blown-in or loose-fill insulation may deliver plenty of performance at a lower price. Weigh the upfront cost against energy savings—and lean on a local pro’s guidance—to pick the smartest fit.

The Randolph, NJ homeowners’ guide to attic insulation installations

From average costs to expert advice, get all the answers you need to get your job done.

See all articles