Insulation contractor in Windsor, CA - attics and walls sealed in the right order
D&R Santa Rosa Spray Foam Insulation is an insulation contractor working in Windsor, CA. We air seal and insulate attics, walls and crawl spaces in Windsor homes and commercial buildings, and remove old insulation that has to come out first.
- Licensed and insured.
- Free on-site estimates.
- We respond within 1 business day.
Houses and buildings we insulate in Windsor
Windsor is just up the highway from us. We're an insulation contractor based in Santa Rosa, CA, so it's a short drive for our crew. Most of the houses we're called to are in the subdivisions that filled in over the past few decades, with some older homes mixed in and a few shops and offices that property managers look after. We do the same work in Larkfield-Wikiup and Rohnert Park, and Windsor's houses have a lot in common with theirs.
That mix shapes the job. The newer houses usually have some insulation in the attic already, so the work is often sealing and topping up, while the older ones need a closer look at what's up there before we decide what stays.
Our services in Windsor, CA
- Attic air sealing
Hot upstairs rooms in Windsor houses often trace back to gaps around can lights, pipes and the attic hatch. We seal those first, so new insulation isn't fighting a draft.
- Attic insulation
Many attics here have a few inches of old insulation that's settled thin at the edges. We top them up evenly to the edges and keep the eave vents clear.
- Wall insulation
Cold rooms along an outside wall often mean empty wall cavities in older Windsor houses. We handle wall insulation through small holes or while a remodel has the drywall open.
- Insulation removal
In older Windsor attics we sometimes find insulation that's been soaked or fouled by rodents. We take it out and check the framing, so fresh material doesn't cover the problem.
- Crawl space insulation
Cold floors in Windsor houses on raised foundations usually come from an uninsulated crawl space. We fit insulation between the floor joists and replace pieces that have sagged or fallen.
- Spray foam insulation
When a Windsor attic carries the ductwork, spray foam can earn its cost because it seals air while it insulates. Without ducts up there, sealing and topping up usually wins.
What Windsor houses need from their insulation
Most of the trouble we see in Windsor attics and crawl spaces comes from work done out of order, like new insulation laid over old material that should have come out, or over gaps nobody sealed. That's why I come out and look at the house myself before we quote, and why our crew clears out what has to go, seals the gaps and only then insulates. Skip a step and the new insulation ends up hiding the problem it was meant to fix, which is a pain to undo later.
What moves the price is how much area there is, what has to come out first, how hard the space is to get into and which material suits your house. The schedule turns mostly on removal and, if your job needs a permit, on when the inspections land. The estimate gives you your own figure.
Get a free on-site insulation estimate for your Windsor home
Send the form or call (707) 508-4085, and we'll reply within one business day to set a time. I come out to your Windsor house or building myself to look at the attic, walls or crawl space and answer your questions, and the estimate is free with no obligation. If you go ahead, our crew does the work with me running it on site, and it's backed by our satisfaction guarantee.
Attic and wall insulation up close
Windsor insulation questions answered
Who issues building permits in Windsor, CA?
The Town of Windsor Building Division issues building permits in Windsor, and it reviews plans and inspects work under state and local building codes. Whether your insulation job needs a permit is a question to ask the Building Division. When a job does need one, we apply for it, set up the inspections and give you a copy of the paperwork for your records.
How do I submit a building permit application in Windsor?
Windsor accepts building permit submittals electronically, and you can email questions to the Building Division at buildingpermits@townofwindsor.ca.gov. The permit counter is open Monday to Thursday from 8 a.m. to 11 a.m., or by appointment. When we're handling the permit for your job, we do the submitting.
When is a building inspection needed in Windsor?
As a rule of thumb, Windsor requires an inspection whenever work is about to be covered up or made hard to reach, and the number and type depend on the project's scope. The permit holder requests them, and Windsor runs inspections Monday through Thursday, 8:30 a.m. to 4:30 p.m. If you're not sure whether one is needed, the Building Division's inspections page says to contact them.
What hours can contractors work in Windsor, CA?
Windsor's posted construction hours are 7 a.m. to 7 p.m. Monday through Friday and 8 a.m. to 7 p.m. on Saturday, and Sunday work needs the Building Official's express authorization. We schedule Windsor jobs inside those hours. You can still reach us by phone every day from 8 AM to 9 PM.
How much does attic insulation cost in Windsor, CA?
Attic insulation in Windsor doesn't have one set price, because every attic starts from a different place. The biggest swings come from removal, since bagging out old material is its own job, and from tight access like a low roof or a shallow crawl space, which slows the crew down. I'll walk you through what each part of the quote covers, so call (707) 508-4085 to set up a visit.
How do I know if the old insulation in my Windsor attic has to come out?
It usually has to come out if a roof leak has soaked it, rodents have left droppings in it or it smells, because fresh insulation over it keeps the problem in your house. Insulation that's only settled or thin can usually stay and get topped up. I'll check what's up there and tell you which it is, along with anything I can't judge until the job is open.