DOWSIL 791 Silicone Weatherproofing Sealant Cartridge

DOWSIL 791 Silicone Weatherproofing Sealant is a one-part, medium-modulus elastomeric sealant for general weather sealing. It cures to a flexible and durable silicone rubber building joint seal. This listing is the 300 ml cartridge. The 500 ml sausage is a separate catalogue line. It is used for general glazing and weather sealing in curtain walls and building facades, including expansion, connection, perimeter and other movement joints. Neutral cure, suitable for coated glass, galvanized steel, masonry and other porous and non-porous substrates. Extension and compression movement capability is up to ±50 percent of the original joint width. Weatherability is excellent and the cured seal is virtually unaffected by sunlight, rain, snow and ozone. Unprimed adhesion covers a wide range of construction materials and building components. It is ready to use as supplied, with low string when gunning. Composition: one-part, neutral-cure, RTV silicone sealant. Pack: 300 ml cartridge. Colours: Black, Grey and White.