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This is a two-roll pack of black, high-density foam sponge tape with an adhesive backing, cut to 1 inch wide by 1 inch thick strips. It is meant for sealing gaps around windows, doors and air-conditioning units and for cushioning or shock-proofing equipment. The thickness is the selling point: it fills wider gaps than thin weatherstrip foam, but it is not a high-temperature or flame-rated seal. It suits renters and DIYers sealing drafts and vibration, not permanent exterior weatherproofing.
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Lowest price we've seen: $12.49 on Nov 14 at Amazon; highest $17.99 on Nov 4. Tracked across 2 stores since Nov 4.
This is a self-adhesive foam seal tape made of high density foam sponge with an adhesive backing. It comes as 2 black rolls, each 1 x 1 inch in size. It is used to seal gaps around windows, doors and air conditioner units.
To apply it, clean and dry the surface first to remove dust, oil and dirt. Measure the length you need and cut the tape with scissors. Peel off the yellow release liner, press the strip firmly in place and hold it for several seconds. Wait 24 hours for the adhesive to reach maximum strength.
Do not apply it to wet, dusty or peeling surfaces, because adhesion will weaken. It is not designed for high-temperature open-flame use. Store leftover rolls in a cool, dry place out of direct sunlight. For shock-proofing machines, check that the tape size matches the equipment gap before applying.
