Insulation for 1000 Square Feet (R-13)
Insulating 1000 sq ft with R-13 fiberglass batts takes about 29 bags once you add 10% waste. R-13/R-15 suits 2×4 walls, R-30+ goes in ceilings — set yours below.
Batt bags
29 bags
Area
1,024 sq ftR-13 batts
Insulation to buy
1,127 sq ftincludes 10% waste
Batt bags
29 bags~40 sq ft per bag (check label)
Cost (est.)
$620~$0.55/sq ft for R-13
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