Resealing Concrete Roof Tiles

Remove dirt and dust from surface of roof.

Resealing concrete roof tiles.

If you want to restore your roof to give it the original shine roofbond roof paint clear glaze is the ideal option. How to seal concrete roof tiles. Coat vent pipes flashing and valley irons. 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.

Apply at least one coloured top coat of sealant. How to seal roof tiles. Put another flat bar under the tile to the left of the damaged one. Check seals in roof valleys and around flashing.

Thus roofs should always be in prime condition. Clay tiles natural stone tiles and cement tiles are all examples. This can be achieved with a chemical stripper or sealer remover. Most salesmen who sell roof coatings won t tell you that though.

Remove any previous sealers or coatings that have not worn away. Overlap the previous line every time you start a new one. Make sure the concrete roof tiles are clean dry and free of debris. 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.

Apply primer coat of sealant. Pour your chosen vapor barrier into a paint sprayer after the primer is dry and liberally spray an even coat onto the concrete roof. There is a lot of debate around sealing concrete or clay tiled roofs. To replace a tile slide a flat bar under the 2 tiles above the broken piece.

The pitch of the roof and the way tiles overlap means water cannot seep through them directly. Broken tiles can compromise the roof s ability to withstand exposure to rain and sun. Work systematically from one end to the other spraying in lines. The surface will be dry in 4 5 hours and hard dry in 4 5 days.

This can be achieved by pressure washing. Allow the vapor barrier to dry before you add a second coat. The roof will be safe to collect rainwater for drinking after 7 days. I have seen concrete porous tiles on very old roofs and not one drop of water has entered the property.

The concrete roof tiles need to be clean free of mold mildew and organic growth. Many different types of roofing material come in tile formats. Concrete is a porous material but the pitch of the roof in conjunction with the overlaid arrangement keeps water out. Chipped cracked or broken tiles should be removed as soon as they re discovered.

Apply two coats of roofbond roof paint with 517 airless tip either clear glaze or coloured. Roofs are our first line of defense against the elements including rain snow sun and heat. No concrete tiles do not need to be re sealed the process is entirely optional. 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.