The material
Spray foam arrives as two liquid components in separate drums. They are heated, pumped down heated hoses, and mixed only at the tip of the gun. The reaction starts on contact, the material expands, and within seconds it has taken the shape of whatever it was sprayed against. The A-side and B-side chemistry guide covers what is actually in those drums.
That is the whole reason it seals. A batt has to be cut to fit around a pipe and a piece of blocking; foam simply expands into the space behind them. There is no gap to leave because nothing had to be cut.
On the day itself
What application actually looks like
Most residential jobs are one day on site.
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01
We protect the area
Masking, floor protection and a clear route for hose. Anything staying in the space gets covered.
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02
Ventilation is set up
Air movement during application and cure is part of doing this properly.
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03
We spray in lifts
Applied in controlled passes, never one thick layer, because that is how it cures correctly.
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04
Depth is checked as we go
Measured during application, not estimated once it is out of reach.
Detail
What to expect
All of this is routine, and it is better known in advance than discovered on the day.
- You need to be out of the areaDuring application and for the manufacturer's stated re-entry time afterwards. We will tell you that figure before the day.
- There is an odorStrongest during application, then fading. Ventilation is part of the scope.
- It is a job site for a dayHose runs through the house, and equipment sits outside on the drive.
- It is done when we leaveThere is no curing period where you cannot use the room beyond the re-entry time.
Why depth is the whole product
The one number that determines whether a foam job performs is applied thickness. It is also the easiest thing in this trade to short, because once drywall is on, nobody can check it.
That is why depth appears on the written scope before the job, is measured during application instead of estimated after, and is recorded on the scope sheet that stays with the building. You should be able to check what you paid for, and the price is built on that same figure.
Questions
Common questions
The foam rises within seconds and is firm quickly. What matters to you is the manufacturer's re-entry time for the specific product, which we will give you before the day, never after.
Substrate temperature and humidity both matter, and there are conditions where we will not spray. If we have to move a date for that reason we will tell you why.
Foam needs to bond to the substrate, so in most cases the old material comes out first. We quote that separately so you can see what it costs.
The visit is free. Someone comes out, looks at the building and gives you a written scope and a price, and the decision stays yours.
48 cities across the eight-county Houston–Galveston region — Harris, Fort Bend, Montgomery, Brazoria, Galveston, Chambers, Liberty and Waller — plus five extended project markets.
Get it looked at properly
One visit, a written scope, and a written price.
(832) 400-4659Greater Houston, plus extended project markets.