Richard Trethewey and baseboard heating pipes
More in Insulation

Plugging Holes Around Baseboard Heating Pipes

Richard Trethewey gives advice on sealing the holes where baseboard heating pipes come up from the basement


How can I seal the gaps where the pipes for the baseboard heating come through the floor? I want to keep out the dust and the occasional bug that comes up from the basement. — Brian, via e-mail


Take some mineral-wool insulation and stuff it into those holes between the pipes and the floor. It will keep out the dust and bugs and won't melt in a fire, as fiberglass will. Be sure to wear gloves while handling it; the fibers can irritate your skin.

After the gaps are filled, hide your work with those two-piece metal escutcheons that slip around the pipe and rest against the floor. You can get them through Nobody wants to look at raw insulation in their living space.

— This Old House plumbing and heating contractor Richard Trethewey


TV Listings

Find TV Listing for This Old House and Ask This Old House in your area.