THERMWELL PRODUCTS C21H CAULK SAVER, 3/8-IN. DIAM X 20-FT.

THERMWELL PRODUCTS C21H - CAULK SAVER, 3/8-IN. DIAM X 20-FT. - 3/8" X 20', CAULK SAVER, 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. 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 - EQUAL TO 173614