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Weatherproofing Sealant (Silicon) – DOWSIL™ 791, 310ml

DOWSIL™ 791 Weatherproofing Silicone Sealant is a single-component, low modulus, neutrally curing sealant specifically formulated for weatherproofing tasks in both commercial and residential settings. It offers outstanding adhesion without priming to a wide array of porous and non-porous surfaces, ensuring reliable and durable sealing performance.

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£ 15,00 incl. VAT

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Description

Key Advantages:

  • Outstanding durability against environmental elements such as ozone, UV exposure, and extreme temperatures.
  • Accommodates joint movement of up to +/- 50%, ensuring flexibility and longevity.
  • Complies with ISO 11600-F&G-25LM standards and adheres to ISO 9047 class 50% specifications, guaranteeing quality and performance.
  • Ideal for a variety of applications including general glazing, curtain wall weather sealing, and building facade protection.

Compatible Surfaces:

  • Wood, including stained and painted timber
  • Various glass types: standard, toughened, laminated, and glass sealed units for weather sealing
  • Masonry materials: brick, stone, concrete, and MDF
  • Plastics and PVCu
  • Metals: mill-finished, anodised, and PVF2 aluminium, powder-coated surfaces, steel, stainless steel, galvanized steel, copper, brass, zinc, and lead
  • Other materials: polycarbonate and similar synthetics

This comprehensive compatibility and the sealant’s robust properties make DOWSIL™ 791 an excellent choice for ensuring weatherproof integrity across a wide range of construction materials and architectural designs.

Technical Information

Where to use Exterior
Paintable No
Time to cure 24 hours
Container Type Cartridge
Shelf life 1 year
Sizes 310ml
Application method Sealant Gun and Cartridge

Supporting Documents Data Sheet

Dowsil_791_Black_MSDS_Version_3.0_11.02.2019pdf

 

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