Non-absorbent, closed cell polyethylene pre-caulking material helps repel moisture. Use before caulking to fill gaps and openings larger than 1/2 x 1/2 in. Prevents 3-point bonding.

• Poly foam caulk saver acts as a filler in large gaps before applying caulk
• Insulates and cushions
• Fills large gaps and openings to prevent drafts
• Twist multiple strands of cord together for extra-large gaps, easily trimmed to size with scissors
• Non-absorbent, closed cell polyethylene pre-caulking material
• Use before caulking to fill gaps and openings larger than 1/2 x 1/2 in
• Prevents three-point bonding

• https://assets.unilogcorp.com/187/ITEM/DOC/M_D_100005179_Catalog.pdf Catalog