Insulation Prices in Seattle

Insulation in Seattle starts from $0.75/sqft. A full ceiling batt installation typically averages $2.5/sqft. Prices per sq ft exclude sales tax. R-values: attic R-38 to R-60, walls R-13 to R-21, floors R-25 to R-30. IRA rebates up to $1,200 available.

Ceiling batt insulation and blown-in insulation are the most popular in Seattle. Spray foam is growing in popularity for its superior air sealing performance. Cavity wall insulation suits homes with suitable wall construction.

R-value requirements depend on your local climate zone and building code. In Seattle, a qualified insulation installer can recommend the appropriate R-value for ceiling, wall and underfloor applications based on your specific property and climate zone.

A ceiling batt job for an average home takes approximately one day. Underfloor insulation typically takes one to two days. Spray foam applications are usually completed in a single day. External wall insulation systems take three to five days including render curing time.