Dowsil 781 Silicone Sealant Brown 310ml DOW3295249

General description Dowsil 781 is a one-part, fast-curing silicone sealant designed for various sealing applications. It adheres strongly to a wide range of non-porous surfaces, including glass, aluminium, painted surfaces, and composite boards. This sealant provides excellent resistance to aging, shrinkage, cracking, and discoloration, making it suitable for glazing, weather sealing of sheet cladding, curtain walls, draught proofing, and general internal sealing applications. Technical specifications Type: One-part silicone sealant Color: Brown Application temperature: +5°C to +40°C Joint movement capability: ±20% Skin formation time: 14 minutes Working time: 5-10 minutes Tack-free time: 1 hour Conforms to ISO 11600-F&G-20LM Approved by WRAS for potable water contact after curing Installation Ensure surfaces are clean, dry, and free of dust or grease before application. Apply the sealant evenly using a suitable gun or applicator. Allow skin formation for approximately 14 minutes.