Attic air sealing in Monterey Park CA - upstairs rooms that hold the cool air
Hot upstairs or drafty rooms? We close the gaps between your attic and your living space so the air you pay for stays inside.
What does attic air sealing do for a hot house in Monterey Park?
Attic air sealing in Monterey Park closes the holes, cracks and joints between your attic and the rooms below, so hot attic air and moisture stop moving into the house and the air you cool stays where you want it.
Most people call because it's hot upstairs, the room over the garage never cools down or the power bill climbs every summer. The price turns on how big the attic is, how easy it is to get into, how many openings there are and whether old insulation has to come out first, and the schedule turns mostly on anything that has to be fixed before we seal. I give you your own number after I've been up in your attic.
- Fully licensed and insured.
- Free in-person estimates.
- Expect a reply within 1 business day.
What attic air sealing looks like
How we handle attic air sealing
We go after the big openings first, where the tops of walls meet the attic floor, around dropped ceilings and behind kneewalls, because that's where sealing pays off most. Then we work through the smaller gaps around pipes, wires and the attic hatch, using caulk on narrow cracks and foam on wider ones, with high-temperature caulk near anything that gets hot. We keep the eave vents clear so the attic can still breathe, and if you're adding insulation too, we seal before it goes in, since it's a lot harder to do after.
Sealing often goes hand in hand with other attic work. If what's up there is thin or tired, retrofit insulation adds to it once the gaps are closed. When your ducts run through the attic, spray foam insulation seals and insulates at the same time, and I'll tell you on site whether your attic calls for it.
Why Monterey Park homeowners call us for attic air sealing
The owner looks before quoting
I come out, get up in the attic and put the estimate together myself, and our installers do the work. You hear what's worth sealing and what isn't from the person who answers for the job.
On our own since 2013
I learned this trade doing upkeep for a property management company, chasing hot rooms and drafts in attics somebody else rushed. That's why we seal what's hidden before anything covers it.
Licensed and insured in California
We're fully licensed and insured. Under the state's Contractors State License Board, installing any insulating material is licensed insulation work, so it's worth knowing who you're letting into your attic.
Permits checked with your city
Monterey Park requires a building permit to alter any structure apart from a few exempt items, and its list names roofing and windows, not air sealing, so we check with the city's One Stop Building Permit Center before work starts. When a job needs a permit, we pull it and set up the inspection.
Air sealing is work nobody sees once the hatch closes, so it has to be right before anything goes over it. Satisfaction guaranteed on every job. Call us or send a note and I'll come take a look.
Get your attic checked for air leaks
Send the form and we'll get back to you within one business day to set a time. I come out, look at your attic and give you a free estimate on site, with no obligation.
- Fully licensed and insured.
- Free in-person estimates.
- Expect a reply within 1 business day.
What happens after you call about attic air sealing
Call or send the form
Have the age of the house handy, and tell us if a gas furnace or water heater sits in the attic and if you're planning new insulation. It helps to describe the attic opening and how much room there is to move around up there.
I check the attic myself
I go up and look at the gaps, the old insulation, the vents and the framing. Your estimate says what's worth sealing, what isn't worth the money and what it'll cost.
Fixes come before scheduling
If something has to be fixed first, you hear about it before anything goes on the calendar. That way we're never sealing over a problem that comes back.
We seal, then walk through it
Our installers do the work, starting with the biggest openings. I go over it with you before we wrap up, so you know what got sealed before the insulation covers it.
Attic air sealing questions
What does attic air sealing cost around Los Angeles?
Blown-in attic insulation with air sealing at the obvious gaps usually runs about $1,200 to $1,500 per job in the Los Angeles area. That's the going rate for the two done together, not sealing alone and not our quote. Attic size, how hard it is to reach and anything that has to come out first move it, so I give you your number after I've looked.
Is attic air sealing safe with a gas furnace or water heater in the attic?
It can be, but ENERGY STAR advises having a professional HVAC contractor run combustion safety tests after the sealing when a gas furnace or water heater sits up there. Plan that visit into the schedule from the start so the job isn't left waiting on it.
What attic problems have to be fixed before air sealing?
Damp insulation from a roof leak and moldy or rotted rafters should be corrected by a professional before sealing, ENERGY STAR advises. Kitchen, bath or dryer vents that blow moist air into the attic, or an attic with little or no ventilation, may need repairs first too, because sealing over them just locks the problem in.
How do I know if the old insulation in my attic has asbestos?
If it's vermiculite, a light, pea-size, flaky gray mineral, treat it as possible asbestos and leave it alone until an approved lab tests it. Your local health department can name an approved lab, and we won't disturb it until you have results.
What is the best way to seal an attic, spray foam or sealing plus blown-in insulation?
For most attics, sealing the gaps and topping up loose fill, which is insulation blown in through a hose, is the better buy. Foam costs more and seals air while it insulates, so it earns its price mainly when your ductwork runs through the attic.
What should I check in an older Monterey Park house before attic air sealing?
Ask about knob and tube wiring, found in homes from the 1930s and earlier, because it can be a fire hazard when insulation touches it. Older can lights that stick up into the attic floor also need covers made for the job, sealed in before any insulation goes in.
Work that pairs with attic air sealing
Retrofit insulation
Builds up the insulation you already have, so a sealed attic also slows the summer heat coming through the ceiling.
Spray foam insulation
Closes leaks and insulates in one step, which makes the most sense when your ducts sit in a hot attic.