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Backer rod bulk pro pack fills gaps and openings to prevent drafts. Provides a... Backer rod bulk pro pack fills gaps and openings to prevent drafts. Provides a sound surface for caulking projects. more

This amazing product will help to prevent air leaks through electrical recepta... This amazing product will help to prevent air leaks through electrical receptacles for energy savings throughout the year. The sealers fit standard-size outlet plates and are invisible after installation. You can truly depend on M-D products to keep... more

PRODUCT DESCRIPTION M-D Building Products Backer Rod For Gaps and Joints 3/8-b... PRODUCT DESCRIPTION M-D Building Products Backer Rod For Gaps and Joints 3/8-by-20 Feet Gray FROM THE MANUFACTURER Poly Foam Caulk Saver acts as a filler in large gaps before applying caulk. Insulates and cushions. Use in pavement cracks wall joints... more

The MD Building Products 2-1/4 In. x 42 In. Foam Weather Strip for Air Conditi... The MD Building Products 2-1/4 In. x 42 In. Foam Weather Strip for Air Conditioners is intended for use to seal the gap between window sashes or between a window sash and an air conditioner. The weather strip seals out cold air in winter and hot air in... more

The MD Building Products 1 in. x 81 in. Vinyl-Clad Replacement Weatherstrip is... The MD Building Products 1 in. x 81 in. Vinyl-Clad Replacement Weatherstrip is designed to replace most styles of weather-stripping that are factory installed. This compression strip installs in a slot in the door jamb conforming to irregularities and... more