This is on its own a major job that can take days and require special tools.
How to seal slate roof tiles.
Remove all grout and mortar.
Rub onto the surface of the slate in small circles.
Mix liquid or powder oxygen bleach to water.
Read all instructions and tips before the application so that you can plan the application correctly.
If the water leaves a darkened spot for longer than 10 minutes it needs sealer.
Test for desired results in an inconspicuous area before continuing the application.
You should have reinforced the frame of the roof earlier before.
Prep the slate for sealing.
At one time all slate.
Next prepare an oxygen bleach solution.
Mask off any adjacent surfaces that need to be protected during the application.
Pull the trigger on the sprayer and coat the tiles with long sweeping motions of your arm.
If the slate flooring tiles have been installed for quite some time and you have decided to seal it now follow these cleaning steps.
Repeat until the whole surface is covered.
Shake or stir well.
Position the first.
Use a lint free cotton cloth an old t shirt works best apply a little of the sealer on to the cloth.
Mix water and all around detergent to make a solution.
Dip a rope cotton mop on the solution and wipe it around the floor.
Remove old roofing if applicable.
How to apply sealant on slate tile.
To see if your slate tile needs sealing pour a bit of water on its surface.
Like most other natural stones slate tile flooring requires sealing to aid in water repellency and prevent staining and scratching and sealer should be applied on a yearly basis.
Hold the sprayer nozzle 12 to 18 inches away from the surface of the tiles for best results.
Once you have covered the surface rub off any excess straight away with a clean cloth and allow to dry naturally.