Longoria Insulation

Every gap filled.

Spray foam and attic insulation for homes and buildings around Dallas.

Cutaway of a house with spray foam under the roof deck and filling every wall bay
Call (972) 877-6661

What we install

Five jobs, all aimed at one thing: keeping Texas heat in the attic from reaching the rooms below it.

Open-cell spray foam

Soft foam that swells as it lands and pushes into every crack in a wall or under a roof deck. It quiets a house as well as insulating it.

About R-3.7 per inch.

Open-cell foam rising to fill three wall bays

Closed-cell spray foam

Dense, rigid foam with the most insulation per inch. It also blocks moisture, so it suits crawl spaces, rim joists and metal buildings.

About R-6.5 per inch.

Closed-cell foam sprayed against the underside of a deck between joists

Blown-in attic insulation

Loose fill blown deep and even across the attic floor, to bring a thin or settled layer up to the depth your attic should have.

Loose-fill insulation blown deep across an attic floor

Removal and replacement

Old batts that are flattened, wet or fouled by pests come out and leave in bags, so the new insulation goes into a clean attic.

Old compressed batts cleared from an attic floor and bagged for removal

Air sealing

Foam around pipes, wires, top plates and duct boots: the small holes where cooled air leaks into the attic all summer.

A foam seal around a pipe where it passes through the wall's top plate

How muchfoam?

8 in.

of open-cell foam for R-30

Where is it going?
Which foam?

ENERGY STAR recommends R-30 to R-60 for an attic in the Dallas climate. That takes about 8 inches of open-cell foam at the low end.

A rough guide: typical values of R-3.7 per inch for open-cell and R-6.5 for closed-cell, against ENERGY STAR's recommended levels for Climate Zone 3, which includes Dallas. Your estimate is measured on site.

Flashlight on thin, settled insulation in a hot attic

Inspect

We go up into the attic and crawl space first, measure what is there and find where air is getting in.

A window and studs masked in plastic sheeting before spraying

Prep

Windows, floors and anything nearby get covered in plastic, so foam only lands where it belongs.

Foam sprayed bay by bay, rising to fill the wall

Spray

Foam goes on in passes, bay by bay, building to the depth agreed in your estimate.

Every bay filled and trimmed flush with the studs

Clean up

Foam that rises past the studs is trimmed flush, the sheeting comes down and the scraps leave with us.

Common questions

Open-cell or closed-cell: which do I need?

Open-cell costs less per inch and is common under roof decks and in interior walls. Closed-cell packs more insulation into a thin space and stops moisture, so it goes in crawl spaces, on rim joists and in metal buildings. We recommend one after seeing the space.

How long does a job take?

It depends on the size of the space and whether old insulation has to come out first. You get a schedule with your estimate, before any work starts.

When can we be back inside?

Spray foam needs time to cure and air out. The re-entry time comes from the foam maker's data sheet, often about 24 hours, and we tell you the exact time for the product we use.

Will it lower my energy bills?

A sealed, well-insulated attic leaves your air conditioner less heat to fight through a Texas summer. How much you save depends on the house, what is there now and how you run the system, so we won't promise a number.

How do I get an estimate?

Call (972) 877-6661, or send the form below with your address and what you want insulated. We'll set a time to come and look.

Get an estimate

Tell us about the attic, the walls or the building, and we'll set a time to measure it.

Rather talk? (972) 877-6661

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