M-D Building Products M-D Expand ‘N Seal, 03100, Gray, 13’

Expand N’ Seal Waterproof Expandable Foam Weather seal from M-D Building Products expands to seal seams and joints. It is an ideal product to seal out water, wind, cold, and sound, while sealing in thermal and acoustic levels. Expand ‘N Seal is a polymer impregnated foam weatherstrip that expands to 4 times its initial thickness. The unique, expanding nature of the foam allows it to effectively fill uneven gaps and forms a waterproof seal when compressed. Great for Door Frames and Thresholds, Garage Doors, Window Wells, A/C Window Units, Sill Plates, Window Casings, Metal Roofs, Building Seams, and many other uses. 03100 1/4″T x 1″W x 13’L.