Description
Butyl Mastic White 400g
- Remains permanently plastic under a smooth tough skin
- Versatile sealant with excellent adhesion to a variety of substrates without the necessity to prime
- Will not bleed into porous surfaces
- Non-sag in joints up to 12mm vertical joint
- Wide service temperature: –35° to +65°C
- Excellent weathering characteristics
- Does not corrode metals
- Good water resistance
- Life expectancy is approximately 5 years in a thick joint. It is recommended to use silicone sealant in thinner joints
- Easy smoothing and clean-up with mineral turps or white spirits
Selleys Butyl Mastic is a synthetic resin, butyl rubber based mastic which forms a smooth tough skin, but remains permanently plastic underneath. It is available Off White.