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Find Spray foam insulation pros in Downs

Avatar for Neil Umphress Construction
Neil Umphress Construction
4.9(
25
)

Serving Downs, IL and surrounding areas

Approved

In business since 2000

Free estimates

Customers say: True professional

"Installed additional insulation in attic and walls and did an excellent job. Also put in attic vents and exhaust fan. I will hire again for various construction projects."
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+8

6 neighbors recently requested a quote
Recommended by45%of homeowners
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Assured Insulation Decatur, LLC
5.0(
1
)

Serving Downs, IL and surrounding areas

Approved

In business since 2014

Free estimates

Customers say: Quick response

We are a locally 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 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 time1 day
Response rate92%
Recommended by100%of homeowners
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Avatar for Home Comfort, Inc.
Home Comfort, Inc.
4.9(
157
)

Serving Downs, IL and surrounding areas

In business since 1948

Emergency services offered

Credit card accepted

"Removed existing insulation and installed spray foam. Great company to work with from my initial inquiry through the entire process of quoting, scheduling, removal and installation. I would definitely recommend Home Comfort Insulation."
Response time11 hrs
Response rate94%
Recommended by87%of homeowners
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FAQs for spray foam insulation projects in Downs, IL

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.