Reiter Roofing
“I have used Reiter repeatedly over the past 20 years for all of my properties and recommend them to family and friends.”
Best Insulation Contractors near Lower Merion, PA
These contractors serve Lower Merion from nearby bases in towns including Philadelphia, North Wales and Pennsauken, NJ.
15 contractors listed · 4 open 24/7 · 11 open weekends · all 15 rated 4.5+ · 6 show a license
Data verified November 5, 2026
Certitude Roofing and Siding
“Special thanks to Greg who was a very knowledgeable subject matter expert and kept me abreast of work and options and to Kelly who was always very responsive to any questions related to scheduling.”
Liberty Roofing Inc.
“Explained exactly what was going to be done and kept me informed of the plan in the days before the installation and sent pictures of the progress during the project.”
Warner Exteriors & Solar
“I have seen the siding on other homes that Warner has done and it was exceptional that is the reason I decided to go with this company.”
Patch and Paint Pros
“When I finally sold my house, all the lead paint had been taken care of both inside and out.”
Alber Service Company (Hvac
“Fortunately, I am under a maintenance contract, so Earle returned my call almost immediately after my leaving a vm & was able to get to my house within 2 hours of that call.”
The 15 contractors listed for Lower Merion, PA insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Lower Merion, PA
The 15 contractors on this page are rated from 4.7 to 5.0 across 6,683 reviews; 14 have 50 or more reviews. When customers rate these contractors on specific qualities, they most often praise professionalism (91%), quality (84%) and responsiveness (82%). The topics that come up most in reviews of the contractors on this page are "estimates", "price" and "communication". 4 are open around the clock; 11 are open on Saturdays and 6 on Sundays. The services the contractors on this page list most often on their websites are attic insulation (2), blown-in insulation (2) and gutters (2). 6 show a license on their websites and 3 have a BBB rating of A or A+. 11 have ten or more years of experience, the longest 90 years. 5 offer emergency call-outs; 7 offer financing or payment plans; 11 give free estimates; 9 are family- or locally-owned and 3 list coupons or special offers. We have a website on file for all 15 of the contractors on this page; 14 publish a contact page; 4 list a public email and 2 take bookings online. We count these figures across the contractors on this page; hours and prices change, so confirm the details with the contractor before you book.
How many listings here have a website?
A website is on file for all 15 contractors here. Use it to see which materials they actually install, since a firm that only sprays foam will recommend foam. A contractor with no site is not automatically worse, but you will have to ask on the phone what the site would have told you.
Towers Roofing
“Great people, knowledgeable, helpful in understanding options, handled a supplier issue quickly without it becoming my problem.”
Catalfano Brothers
“They did a good job, easy to work with and reasonable price.”
Critter Guard Wildlife Removal
“Excellent experience from start to finish and the pricing for services was better than expected!”
Ironclad Construction & Roofing
“If you need a roof deck in Philadelphia, they're the team to call.”
Volpe Enterprises
“It was easy to schedule appointments, and he communicated all of the information about the project inckuding all the payment schedule and timing of the work.”
Oliver
“Today,I want to extend a thanks to tech Domir McGurd ,for his heat check service and his professionalism.”
Sabatini Pro Painting
“Rick with his estimate, Dani with her project management including help with color selections, and Virgilio and Josefina with their impeccable work.”
Clarence E. Smith Roofing
“They showed up on time and fixed the leak, they were pleasant and professional.”
Windows Plus
“Sean and his team members had done an excellent work for us to install the wonderful sliding door and bay window, nice guys, we really appreciate their service.”
Why these companies made our list
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