Frost King 0.375 in x 20 in. Grey Poly Foam Tape Weatherstrip Caulk Saver C21H - The Home Depot

Poly foam reduces the amount of caulk needed to fill or seal large openings.

Frost King 0.375 in x 20 in. Grey Poly Foam Tape Weatherstrip Caulk Saver C21H - The Home Depot

Frost King 0.375 in x 20 in. Grey Poly Foam Tape Weatherstrip Caulk Saver C21H - The Home Depot

The Thermwell Products Co., Inc. 5/8 in. x 20 ft. Polyurethane Caulk Saver works with many types of caulk and sealant (caulk and sealant not

5/8 in. x 20 ft. Polyurethane Caulk Saver

Frost King 3/4 in. x 1/2 in. 10 ft. Grey Vinyl Foam Weather-Seal Self-Stick Tape V734H - The Home Depot

Frost King 0.375 in x 20 in. Grey Poly Foam Tape Weatherstrip Caulk Saver C21H - The Home Depot

Frost King 0.375 in x 20 in. Grey Poly Foam Tape Weatherstrip Caulk Saver C21H - The Home Depot

Frost King 1/2 in. x 1/4 in. x 20 ft. Brown Silicone Self-Stick Weatherseal SS20BR - The Home Depot

Panel gapping body filler technique?

Frost King Caulk Saver reduces the amount of caulk you need to fill or seal large openings. Made of durable, resilient poly foam, it works with virtually every type of caulk and sealant. Designed for use behind caulks to fill wide cracks, reducing the amount of caulk needed. Made of polyethylene vinyl material for durability and longevity - this 3/8-inch wide caulk filler is a suitable choice to fill 3/8-inch or smaller gaps.

Frost King 3/8x350' Caulk Saver C21cp

Frost King C21H Caulk Saver 3/8-Inch by 20-Foot Long, Gray : Industrial & Scientific

Frost King - Foam Tapes - Weather Stripping - The Home Depot