Stone Insulation

Stone Insulation is a Seattle-based Insulation contractor specializing in attic, crawl space, and wall upgrades to boost comfort and lower energy bills. Request a free on-site assessment that includes an air-sealing plan, recommended R-values that meet or exceed Seattle energy code, and a clear written scope with itemized pricing. Ask them to compare material options (spray foam, blown-in cellulose, fiberglass), outline moisture and ventilation solutions (baffles, vapor barriers), and specify whether old insulation removal and rodent remediation are included. Before booking, confirm lead times, cleanup and warranty details, and whether they’ll help you secure Seattle City Light or PSE rebates—plus provide before-and-after photos for verification.