Posts by airtightfl
Spray Foam Insulation Value Per Inch: A Florida Guide
Open-cell spray foam is typically R-3.5 to R-3.8 per inch, while closed-cell spray foam is typically R-6.0 to R-7.0 per inch. Those num...
Best Ways to Insulate Metal Garage in 2026
If you're standing in a South Florida metal garage right now and it feels hot, sticky, and slightly damp, you're dealing with...
Spray Foam Insulation Under House: 2026 Guide for South
Your air conditioner runs most of the day, but some rooms still feel sticky. After a heavy South Florida rain, there's a faint mus...
Closed Cell Foam Weatherstrip: A Guide for Florida Homes
If your front door feels a little sticky, the hallway near the entry always seems more humid than the rest of the house, or your AC nev...
Can Insulation Get Wet? a South Florida Homeowner’s Guide
A lot of South Florida homeowners ask the same question right after a roof leak, a wind-driven rainstorm, or a stubborn HVAC condensati...
Stop Bathroom Walls Sweating: Quick Fixes for 2026
You step out of a hot shower, wipe the mirror, and notice the wall looks wet. Not splashed. Wet. A few minutes later, there are beads o...
Insulating Sill Plates: A South Florida Guide for 2026
If your floors feel slightly warm near the exterior walls, your A/C seems to run longer than it should, or you catch a musty smell that...
Open Cell Expanding Foam for South Florida Homes
The homeowner usually calls after months of the same pattern. The AC runs all day in Jupiter or Wellington, the back bedrooms never fee...
Attic Hatch Covers: A Guide for South Florida Homes
Your AC runs for hours. The thermostat says one thing, your skin says another, and the house still feels faintly damp. In South Florida...
DIY Spray Foam Insulation Cost: A 2026 Price Guide
DIY kits for closed-cell spray foam usually cost about $1.15 to $1.75 per board foot, and that number sounds cheaper than it often is i...