Rated 5.0 out of 5
1 Review
Based on 1 review
Healthy, high-performance, and sustainable loose-fill insulation designed to be stuffed around windows and doors. Each box contains 2 lbs of wool insulation which insulates approximately 21 windows (36” x 60” windows with an average .3/8” x 2” gap). Proper air sealing is achieved with airtight adhesive tape. Shipping is Free.