Rayston Flex 3040 Mastic

£8.25

Rayston Flex 3040 Mastic is a superb low modulus polyurethane mastic sealant which adheres to glass, masonry, and wood etc

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  • Description

    Product Description

    This is a superb low modulus polyurethane mastic sealant which adheres to glass, masonry, and wood etc.  It is great for filling in cracks in Koi Fish Ponds where the cement / screed has shrunk with the curing process. It is light grey in colour.

    It is applied using a typical extrusion gun available from every Builders Merchant.

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