In effect a sealer reduces the natural absorbency of a stone or concrete material.
How to seal cement roof tiles.
Begin spraying at the top edge of one side of the roof.
Mix the sealer if required as per the manufacturer s instructions and fill the reservoir on the sprayer with sealer.
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.
Move to the other side of the roof start at the top and apply the acrylic sealer in even rows.
This can be achieved with a chemical stripper or sealer.
How to seal concrete roof tiles.
The concrete roof tiles need to be clean free of mold mildew and organic growth.
A sealer is a liquid applied to cement tiles and porous natural stones to help prevent staining from water and oils.
Remove any previous sealers or coatings that have not worn away.
This can be achieved by pressure.