Resealing Concrete Roof Tiles

Resealing your tile roof if you don t choose to change the color of your concrete roof tile but desire to coat the surface of your tile with a new coat of clear sealer we recommend the use of 100 clear acrylic sealer after the pressure cleaning is performed.

Resealing concrete roof tiles.

No concrete tiles do not need to be re sealed the process is entirely optional. How to seal concrete roof tiles. Broken tiles can compromise the roof s ability to withstand exposure to rain and sun. There is a lot of debate around sealing concrete or clay tiled roofs.

This can be achieved by pressure washing. Concrete is a porous material but the pitch of the roof in conjunction with the overlaid arrangement keeps water out. High pressure clean to remove dirt lichen and moss. Make sure the concrete roof tiles are clean dry and free of debris.

Most salesmen who sell roof coatings won t tell you that though. This can be achieved with a chemical stripper or sealer remover. The surface will be dry in 4 5 hours and hard dry in 4 5 days. I have seen concrete porous tiles on very old roofs and not one drop of water has entered the property.

However normal wear and tear. There are some concrete sealants mentioned in the next section that you can apply to concrete tile however repairing and replacing is the recommended solution. Check seals in roof valleys and around flashing. How to seal roof tiles.

Remove dirt and dust from surface of roof. Many different types of roofing material come in tile formats. Pour your chosen vapor barrier into a paint sprayer after the primer is dry and liberally spray an even coat onto the concrete roof. Coat vent pipes flashing and valley irons.

Remove any previous sealers or coatings that have not worn away. The pitch of the roof and the way tiles overlap means water cannot seep through them directly. Apply primer coat of sealant. Overlap the previous line every time you start a new one.

Put another flat bar under the tile to the left of the damaged one. Roofs are our first line of defense against the elements including rain snow sun and heat. Apply at least one coloured top coat of sealant. Concrete synthetic and metal tile roofs are intended to last for at about 50 years while clay tiles can last for as much as 100 years.

Work systematically from one end to the other spraying in lines. If you want to restore your roof to give it the original shine roofbond roof paint clear glaze is the ideal option. The concrete roof tiles need to be clean free of mold mildew and organic growth. Thus roofs should always be in prime condition.

To replace a tile slide a flat bar under the 2 tiles above the broken piece. Chipped cracked or broken tiles should be removed as soon as they re discovered. The roof will be safe to collect rainwater for drinking after 7 days. Clay tiles natural stone tiles and cement tiles are all examples.