Hi thanks for the info good to read as i have spent days cleaning my roof after many many years of weather and mould moss build up i have had to replace a few tiles and the bloke i got replacements off said no need to spray on a sealant as will be lucky to last six months and as he s a tiler himself said best protection was the build up of.
Roof tile cleaning and sealing.
Allow to dry and apply a second coat.
Fill your pressure washer with an anti moss fungicide cleaning solution mixing it as the product instructs.
Clean and refresh your roof tile by removing dirt grime algae mold and debris.
Paint tiles with either a coloured coating or translucent sealant to the roof edges by hand.
Pull the trigger on the sprayer and coat the tiles with long sweeping motions of your arm.
Proper roof tile maintenance your will keep your tiles at there peak performance.
Brush over the roof to remove dust.
Moss lichen algae and other organic growths are the major issues when it comes to cleaning tile roofs especially moss.
A quality roof sealing project should begin with a thorough cleaning and inspection.
Before cleaning the roof tiles one uses a high pressure cleaner with a dirt blaster.
Effectively the only way to safely clean your roof and the tiles on it is to use a 6 trowel and wire brush and do it manually by hand.
Our services from clean roof include removing stains and black streaks from your roofing system while also applying a waterproof sealant to improve your house s look expand the life of your roof and boost health advantages for your family by getting rid of toxic irritants surrounding your house.
Some contractors will charge for these services separately while others offer them free of charge so homeowners should clarify this during the initial consultation.
Hold the sprayer nozzle 12 to 18 inches away from the surface of the tiles for best results.
Because of the rotary motion of the dirt blaster and the strength with which the water is sprayed onto the roof tile mosses and algae will be removed easily.
After cleaning you may wish to seal clay roof tiles to prevent dirt and grime from building up.
Start with a clear alklyd primer applied with a paint brush or rollers then allow the primer to dry.
Apply a chemical treatment formulated to kill plant life.
This is done from top to bottom in order to avoid water under the tiles.