Surface Preparation
Before applying the roof tile paint pressure wash the surface to clean it thoroughly. Ensure proper removal of stubborn moss or fungal growth with a stiff broom or wire brush if necessary. Treat any fungal residues with Polycote Destroy IT in accordance with the relevant Data Sheet. Replace any broken or missing tiles and re-cement ridge and bonnet tiles as necessary. Allow the roof tile paint to completely dry before coating.
Application
Roof Tile Coat may be applied by brush or spray. Two coats are recommended, allowing to dry between coats – see Drying Times. Airless spray – use nozzle size 15-21 and 135 bars pressure. Ensure the product is thoroughly mixed beforehand, ideally with a paddle mixer drill attachment. At lower ambient temperatures the product may require thinning with up to 5% of water if spray applied.
Drying and over coating time
Surface dry in 2-4 hours depending on temperature and porosity. If possible, the first coat of roof tile paint should be left to dry overnight before recoating, but the second coat may be applied 4-6 hours after the first coat is completely dry.
Application conditions
Apply the roof tile paint at temperatures above +5ºC. DO NOT apply if there is a likelihood of rain or frost within application and drying time.
Coverage
Theoretical coverage per 15L unit of Roof Tile Coat is approximately 37.5m², but this will vary depending on the texture, porosity, and undulation of the substrate.
Cleaning
Tools and equipment should be cleaned whilst the material is still wet using water. Hands and skin should be cleaned immediately with organic hand cleaner.
Shelf life and storage
Shelf life in unopened containers is 12 months minimum, subject to conditions of storage. Store in a cool, dry, frost-free environment above 5°C, away from sources of ignition.
Our team of friendly technical advisors have years of experience and can advise what the correct product is for clay tiles, artificial slate or if you have green moss.
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