Caulk Saver, 3/8 In. Diam X 20 Ft.

Description

Reduces the amount of caulk needed to fill large gaps. Works with virtually every type of caulk & sealant. Made of durable, resilient, moisture repellant poly foam. Just press in place, then caulk on top of it.

3/8″ x 20′

Moisture repellent

Saves expensive caulk while filling large gaps

Also referred to as backer rod