Evo-Stik Building Silicone Sealant is a one part, low modulus, neutral cure sealant. It has excellent resistance to movement, natural weathering and UV light, and is suitable for sealing expansion joints in concrete structures, as well as movement joints between both lightweight and heavyweight cladding panels. It can also be used to seal profiled sheeting, or aluminium, hardwood and uPVC window and door frames. Features: Lasts up to 25 years: One part, low modulus, neutral cure sealant. For interior and exterior use: Waterproof, Excellent resistance to natural weathering and UV light, High movement accommodation. Suitable uses: Seals expansion joints in concrete structures, movement joints between cladding panels, profiled sheeting, window and door frames. Suitable materials: . Choose this highly flexible building silicone wherever you need to seal in gaps that are movement-prone. This type of sealant is perfect for applications such as filling expansion joints in concrete, sealing movement joints in cladding and around doors and windows. It's a tough cookie and will withstand anything the weather will throw at it, such as UV light and rain water. This product won't corrode metal and can be used in combination with common building materials including aluminium, hardwood and PVCu. It's extremely sticky, and you can use it on a multitude of surfaces. Think painted wood, shiny tops like ceramic, glass and enamel, and many types of plastics. The quick drying silicone forms a surface skin after nine minutes at +23degC/55% relative humidity, so make sure you work it into place before then. * Low modulus, waterproof neutral core silicone * Bonds to most building surfaces and substrates * Cure rate of around 2mm per 24 hours at +23degC/55% RH * High movement accommodation: +/- 25% flexibility * Application temperature range +5 to +40degC * No priming needed * Interior and exterior use