Matching the right foam chemistry to the right assembly, the most important decision in any DFW spray foam project.
Neither open-cell nor closed-cell foam is universally better. The right choice depends entirely on the structure, framing depth, moisture exposure, building use, and what performance problem you are trying to solve.
For most high-performance DFW homes and buildings, the smartest approach is a mixed system that uses each foam type where it performs best.
The most common combination: open-cell on the attic roofline (where large volume fill and vapor permeability matter) plus closed-cell at edge conditions like rim joists, crawl spaces, and shallow wall cavities (where moisture control and maximum R-value per inch are critical).
This combination creates the highest-performing envelope for the investment across most North Texas structures.
We evaluate framing depth, roof type, moisture exposure, HVAC location, sound goals, building use, wall orientation, steel vs wood substrate, budget, and long-term performance goals.
The goal is always the right foam for the specific assembly, not the most expensive product, and not the cheapest one.
Texas Foam Pro will evaluate your specific home, shop, or building and design the right system from the ground up.