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Stelmax 1965 Gap Filler & Sealant are easily applied PVC resin, pigment, plasticiser and solvent mixes, that will gap fill and bond readily to form maintenance free joints of exceptional strength when used to bond and fill rigid and plasticised PVC. Good adhesion can also be achieved when used with many porous substrates. 1961 and 1965 products are extensively used within the window industry for the installation of frames and attachments.

When dry the product will exhibit weathering, UV and chemical resistance similar to that of a good quality rigid PVC. Sealed joints will retain a degree of flexibility to cater for minor expansion and contraction of the substrate whilst remaining water and gas tight. The two products are available in many different colours other than the standard white.