Top-rated spray foam insulation pros.

Get matched with top spray foam insulation pros in Dunlap, CA

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Spray foam insulation pros in Dunlap

Avatar for Rodriguez Insulation
Rodriguez Insulation
4.7(
53
)

Serving Dunlap, CA and surrounding areas

Approved

In business since 1996

Free estimates

Small jobs welcome

"Very efficient. They showed up on time. Explained the service, did a nice job. Left no mess. Would highly recommend Rodriguez Insulation."
Response time1 day
41 neighbors recently requested a quote
Recommended by100%of homeowners
BUILDER SERVICES GROUP INC DBA CALIFORNIA BUILDING PRODUCTS
New to Angi

Serving Dunlap, CA and surrounding areas

Approved (Corporate)

In business since 2011

Free estimates

Credit card accepted

CA Building Products serves our local community with best-in-class insulation, gutter, fireplace, fireproofing, and weatherproofing installation contractors. Our team of local installers can help with a variety of projects while remaining committed to cleanliness, safety, and meeting your budgets and timelines. Contact CA Building Products for a free quote today!

70 neighbors recently requested a quote
Avatar for Icon Insulation
Icon Insulation
5.0(
15
)

Serving Dunlap, CA and surrounding areas

In business since 2007

Free estimates

Emergency services offered

"They did a wonderful job with our attic insulation. Louis provided us with a reasonable estimate for the insulation, which is what led us to this company in the first place. Overall very pleased with the service!"
Radiant Barrier Install
Wall & Ceiling Insulation
Attic Insulation Install
Attic Insulation Install
Icon Insulation

+1

Response time2 days
Recommended by90%of homeowners
Avatar for Mega Power Electric, Inc
Mega Power Electric, Inc
5.0(
191
)

Serving Dunlap, CA and surrounding areas

In business since 2000

Free estimates

Emergency services offered

"Excellent Service from planning through Execution and installation to final fine tuning. The folks communicated well and explained every detail of the step. Got permit and inspection done. It was seamless. Thanks. R."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+32

Recommended by100%of homeowners
CAL FOAM Inc.
5.0(
1
)

Serving Dunlap, CA and surrounding areas

In business since 2014

Free estimates

Warranties offered

We are a family owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 10 years of hands on experience, to provide innovative ideas and suggestions tailored to your spray foam projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today!

Response time2 days
1 neighbors recently requested a quote
Avatar for Landmark Energy Upgrades
Landmark Energy Upgrades
4.8(
59
)

Serving Dunlap, CA and surrounding areas

In business since 2009

Free estimates

Emergency services offered

"Overall, they did a good job. They are friendly and very helpful. we had a little mess to clean up after, but to be fair, I didn't complain -- if i had they would have come back. Preferably they would have come back to check on their own."
Cool Roof Install
Energy Upgrade
HVAC Air Duct
Home Energy Audit
Energy Upgrade Contractors

+6

Recommended by98%of homeowners
Showing 1-10 of 16
FAQs for spray foam insulation projects in Dunlap, CA

Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.

R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.

Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.

You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.

Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.