window caulk
Weatherproofing frame paste
Window caulk is a flexible sealant applied around window frames to fill gaps, prevent drafts, and block moisture.
It comes in tubes and is squeezed into seams where the window meets the wall or frame: The old window caulk had cracked and needed replacing.
Silicone and latex are common types.
- sealantGap-blocking substance
- siliconeFlexible synthetic polymer
- weatherstripGap-sealing material for frames
- puttyPliable sealing compound
- cold airLow-temperature atmosphere
insulation · tube · gun · bead · seal · moisture · airtight · squeeze · glazing · frame · energy · energy savings · winter · home improvement · flexible · waterproof · adhesive · mold