Plain-English guides for homeowners weighing spray foam, and building-science and code detail for the contractors, builders and architects who specify and install ComfortSeal.
Louisiana's statewide zone 2A rule, the 2021 codes in force, vapor retarders, termite clearance, flood zones, wind and raised floors, and what to ask an installer.
What moves a spray foam quote: foam type, thickness, access, prep, coatings and region, plus published price ranges and a checklist for comparing quotes.
Vented vs. closed crawl spaces, rim joists, moisture and radon, the IRC R408 path, and where closed cell foam fits and where it does not.
How spray foam and fiberglass compare on R-value, air sealing, moisture, fire safety and cost, and where each one makes sense in a home.
The published IAPMO R-value tables for ComfortSeal 500 open cell and ComfortSeal HFO closed cell, why they are not linear, and how to match foam thickness to 2x4 and 2x6 cavities.
A plain-English guide to ignition barriers and thermal barriers for spray foam: where each applies, what AC377 Appendix X and NFPA 286 test, and what the evaluation reports list.
A row-by-row guide to reading a spray foam technical data sheet, from R-value and density to vapor permeance, fire ratings and processing settings, using real ComfortSeal values.
How unvented attics work, why bringing HVAC ducts inside the envelope matters, open vs closed cell at the roof deck, humid-climate considerations and what IAPMO ER-975 recognizes.
A homeowner guide to spray foam insulation: the real pros and cons, what drives cost, when it is and is not the right call, open vs closed cell, and why a certified installer matters.
On the Gulf Coast, moisture is the enemy — and the insulation you choose is part of the moisture strategy. What builders in humid and storm-zone markets should spec, and why.
R-value only tells half the story. Why air leakage drives heating and cooling costs, what a blower-door test shows, and how to explain it to homeowners without overpromising.
Two foams, two very different jobs. Here's the decision framework pros use to match ComfortSeal 500 and ComfortSeal HFO to every assembly in the house.
See the two-product lineup behind every article, or talk to our team about becoming a certified ComfortSeal contractor.
