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781 Silicone Sealant

Dowsil™ 781 is a one-part silicone sealant, which has excellent adhesion to a wide range of non-porous surfaces, including: glass, aluminium, painted surfaces and composite boards.

It is fast curing and offers excellent resistance to ageing, shrinkage, cracking and discolouring. Suitable for glazing applications, weather sealing of sheet cladding, curtain walls, draught proofing and general internal sealing applications. It is tack-free in one hour with a working time of 5-10 minutes.

It is listed by the UK Water Regulations Advisory Scheme (WRAS) for use in contact with potable water once cured. Conforms to ISO 11600-F&G-20LM.

781 has excellent weatherability, with an application temperature range +5 to +40°C and joint movement capability +/– 20%.

Dowsil™ 781 Silicone Sealant, White

Technical Specs

Colour: White
Size: 310ml


Price is for individual model shown.
DOW3295231: £9.30
View ModelsThis product has various models available. All buy buttons, comparisons and prices are listed below. Scroll down or use the button to jump there.

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Safety Data Sheet is Available

brandlogo Code: DOW3295231
Stock: Will be despatched today

Box Content

1 x Dowsil™ 781 Silicone Sealant White 310ml

Downloadable Files

Safety Data Sheet is Available

Other Products within the Group

Name Colour Size Price
781 Silicone Sealant Clear 310ml
DOW3295036 Dowsil
Clear 310ml £9.30
781 Silicone Sealant White 310ml
DOW3295231 Dowsil
White 310ml £9.30
781 Silicone Sealant Brown 310ml
DOW3295249 Dowsil
Brown 310ml £9.30
781 Silicone Sealant Black 310ml
DOW3295257 Dowsil
Black 310ml £9.30

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