Expanding Foam Tape

Black Expanding Foam Tape is a pre-formed expanding foam sealant produced by impregnating permanently elastic, high density open cell polyurethane foam with chemically stabilised acrylics. The product is manufactured by partially filling the open cells with the impregnation and compressing it. Sealing properties are dependent on the level of compression and typically for weather tightness, a 4 x compression ratio is required.

Supplied pre-compressed for easy location, Flowseal remains permanently elastic and once applied will expand to fill the joint including any irregularities or imperfections by a combination of the effects of the impregnation and the back pressure of the expanding foam. It displays excellent resistance to UV, mildew and ageing and will not crack, split, bleed or dry out whilst performing throughout continuous moving cycles.

* Self adhesive on one side.

* Compressed thickness is between 3mm and 7mm

* Naturally expands up to 20mm

Catalogue page number: 0

Datasheets

• 476

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