Attic air sealing in Montebello CA - gaps closed before the insulation goes in
Drafty rooms, a hot upstairs and a power bill that climbs? We close the gaps in your attic floor so insulation can work.
What does attic air sealing do for a house in Montebello?
Attic air sealing in Montebello means closing the gaps between your rooms and the attic, around lights, ducts, wires, pipes and flues, so hot attic air stays out of the house, your power bill comes down and moisture doesn't build up in the attic.
Most calls start with a hot upstairs, a drafty room or a bill that keeps climbing, even though there's insulation up there. Usually air is getting through the holes where things pass through the ceiling, and laying more insulation over those holes won't stop it, so the sealing has to come first.
The price turns on how many openings there are, how easy the attic is to move around in, and whether old insulation is in the way or soaked and dirty. The schedule turns on what we find first, because a roof leak, pest damage or a gas appliance problem gets fixed before we seal anything, and the written estimate lays out what we'd do and in what order. We're licensed and fully insured, and California's contractors board treats insulation work as its own license class.
- Narrow gaps take caulk or foam, and bigger openings take a rigid piece sealed in place.
- Sealing around a flue takes fire-rated caulk and sheet metal, with clearance from anything that burns.
- Bath and kitchen fans should blow outside, not into the attic, so we check where yours go.
What happens after you call us about your attic?
From your first call to the walk-through at the end, here's how a sealing job runs with us. Our own crew does the work, and I or our lead installer do the first look.
Call and set a time
Call (213) 491-1019 or send the form, and we set a time to come see the attic in person. It helps to tell us about any can lights, how you get into the attic and any older gas furnace or water heater that vents up a flue.
We look and write it up
I or our lead installer goes up into the attic and writes down anything that has to be fixed first, like a roof leak or droppings in the old insulation. Then you get a written estimate that says what we'd do and in what order, so you know the cost and the plan before anything starts.
Our crew seals the attic
Once repairs are done and we've checked with the building office for your address, our crew comes out and does the sealing. In Montebello the work stays inside the city's construction hours, 7 am to 8 pm on weekdays and 9 am to 6 pm on weekends and holidays.
We walk it with you
When we're done, we walk the attic with you so you can see what got sealed, and the work is satisfaction guaranteed. If new insulation is part of the plan, it goes on after, over a sealed ceiling.
What a sealed attic floor looks like up close
These photos show the kind of spots we seal in an attic, around lights, pipes, wires, ducts and the hatch. They're examples of the trade, not pictures from a particular house.
Unfinished room with white spray foam insulation filling wall and roof cavities between exposed wooden studs and rafters.
Attic with loose white blown-in insulation across the floor beneath reflective roof sheathing and exposed wooden rafters.
Close-up of tan fibrous batt insulation packed between wooden framing members.
Worker in protective coveralls, respirator and gloves uses a vacuum hose to remove loose insulation from an attic.
Crawl space with a white vapor barrier covering the floor, pink insulation between joists, and black ductwork overhead.
Unfinished room with exposed wood framing and pale spray foam insulation filling the wall cavities.
A free look at your attic and a written plan
Send the form and we reply within one business day to set a time for a free on-site quote, with no pressure to book. I or our lead installer comes out and tells you straight what's up there.
(213) 491-1019Questions about attic air sealing in Montebello
These are the things people ask me most before we go up in their attic. If yours isn't here, call (213) 491-1019 and ask me.
How much does attic air sealing cost in the Los Angeles area?
Blown-in fiberglass attic insulation that includes air sealing at the obvious gaps usually costs about $1,200 to $1,500 per job in the Los Angeles area. That's the going price for that work around here, not our quote, and your attic can land higher or lower. Our estimate is done on site and shows what we'd do and in what order.
Is insulation enough to stop drafts in my attic?
No, fiberglass and other fluffy insulation slows heat but doesn't stop air. Air keeps moving through the gaps under it until they're sealed, which is why sealing is its own step and comes before new insulation.
What gets checked in the attic before air sealing starts?
The attic should be checked for water leaks, moisture, structural or pest damage and venting, and anything wrong goes on a repair list that gets fixed first. A house with gas equipment that vents up a regular flue should also get a combustion safety test, which checks that exhaust goes up the flue instead of spilling back into the house, and any problem gets fixed before attic work goes ahead.
How do I seal old recessed lights in the attic?
Older can lights that aren't rated for insulation contact can get a cover built from fire-rated material, but replacing them with new fixtures rated for insulation contact and airtight is the better fix. Tell us how many cans you have when you call, since it changes the job.
What happens if my attic has vermiculite or old knob and tube wiring?
Work stops on vermiculite, the pebbly loose fill that may contain asbestos, and insulation waits wherever live knob and tube wiring runs until it's replaced or properly boxed. Ask about both at the first visit, and we'll tell you straight if we see either one.
How do I know if my attic needs air sealing?
If rooms stay drafty or the upstairs runs hot even with insulation up there, air is usually leaking through the ceiling. Dark, dirty patches in the insulation around lights and pipes are a common sign, and the surest way to know is to have someone go up and look.
Attic air sealing in Montebello and the cities around it
Montebello's Building and Safety Division says whether a job needs a permit, so we ask first and pull one if needed. We see lots of older houses with can lights here, in Pico Rivera and Monterey Park.