DOWSIL™ 791 Silicone Weatherproofing Sealant – the ultimate solution for sealing and protecting your surfaces against the harshest weather conditions. This exceptional one-part, neutral curing sealant combines cutting-edge technology with unbeatable performance.
DOWSIL™ 791 Silicone Weatherproofing Sealant – the ultimate solution for sealing and protecting your surfaces against the harshest weather conditions. This exceptional one-part, neutral curing sealant combines cutting-edge technology with unbeatable performance.
Packaging: 500 ml sausage
Colour: Black
Applications: particularly suitable for general glazing and weather sealing in curtain walls and building facades. Ideal for expansion, connection, perimeter and other movement joints
Joint movement capability ± 50%: Whether it’s expansion, contraction, or movement due to settling, this sealant can handle it all. With its impressive joint movement capability of ± 50%, DOWSIL™ 791 Silicone Weatherproofing Sealant accommodates structural shifts and maintains a tight, secure seal to keep out moisture, air, and other external elements.
Limitations: Do not use DOWSIL™ 791 Silicone Weatherproofing Sealant on bituminous substrates, substrates based on natural rubber, chloroprene or EPDM or on building materials and flexible plastics which might bleed oils, plasticizers or solvents. Do not use DOWSIL™ 791 Silicone Weatherproofing Sealant in a totally confined space because the sealant requires atmospheric moisture to cure. DOWSIL™ 791 Silicone Weatherproofing Sealant is not recommended for use on submerged joints or in joints where physical abuse or abrasion is likely to occur. Bleeding can occur on porous substrates such as concrete, marble, granite or other natural stones. On sensitive substrates, specific testing should be carried out. This product is not suitable for areas where food contact is likely. DOWSIL™ 791 Silicone Weatherproofing Sealant is not recommended for structural glazing or insulated glazing applications. This product is neither tested nor represented as suitable for medical or pharmaceutical uses.
Resistant to ozone, ultraviolet radiation, and temperature extremes: This remarkable sealant is engineered to withstand the toughest environmental challenges. It exhibits exceptional resistance to ozone, preventing degradation and maintaining its structural integrity over time. With its excellent UV radiation resistance, it effectively prevents discolouration, cracking, and deterioration caused by prolonged sun exposure. Furthermore, DOWSIL™ 791 Silicone Weatherproofing Sealant is designed to withstand extreme temperature fluctuations, ensuring its durability in both hot and cold climates.