The concrete roof tiles need to be clean free of mold mildew and organic growth.
How to seal cement roof tiles.
Place the folding ladder so that part of the fold bends across the edge of the roof where you place it and the lower section extends downward.
Mix the sealer if required as per the manufacturer s instructions and fill the reservoir on the sprayer with sealer.
How to seal concrete roof tiles.
This can be achieved by pressure.
In effect a sealer reduces the natural absorbency of a stone or concrete material.
Because cement or concrete tiles are porous like natural stone it s generally a good idea to seal them so they are more resistant to staining.
This can be achieved with a chemical stripper or sealer.
Begin spraying at the top edge of one side of the roof.
How to seal roof tiles.
Make sure the concrete.