Gardner Bender DS-110N Duct Seal Compound 1 lb

• Amazon now offers Gardner Bender DS-110N Sealing Compound, 1 lb, for $2.49 (regularly $5.38).
• Prime members get free two-day shipping, and regular members get free shipping on orders over $35 within the contiguous U.S.
• Buy >>

Editor's Pick: If you have gaps around pipe joints or electrical boxes on your walls that let in drafts and dust, just press this putty-like sealing compound directly into place. It's especially useful for filling corner gaps and small holes in distribution boxes. Once dry, it won't crack and effectively blocks air and dust. A 1 lb pack lasts a long time, and no tools are needed for application.

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