Flash And Batt Insulation. Batt insulation is the oh so familiar pink stuff that gets stapled or wired into placeIt takes relatively unskilled labor to install it. Flash and batt is a hybrid insulation approach combining fiberglass insulation and closed-cell spray foam.
Less than meeting R-value requirements with foam alone. Flash and batt is spray foam insulation with fiberglass batts. A flash-and-batt system uses air-impermeable insulation such as closed-cell spray foam in the building cavities joist or stud bays installed against the inside of the structural sheathing.
Fiberglass devoured the insulation industry in the 1970s for obvious reasons.
Fiberglass devoured the insulation industry in the 1970s for obvious reasons. The flash-and-batt method of insulation combines a layer of spray foam insulation in this case the spray foam is blue with conventional fiberglass batts. Flash and batt is a combination of spray foam insulation with fiberglass batts. The photo shows a garage ceiling.