An impregnating clear sealer will soak deep into the slate to protect it from stains and contaminates.
Do i need to seal my slate floor.
A below surface or penetrating sealer will seep down into the material clogging the pores so that stains cannot get in.
A penetrating or surface sealer will protect the slate which is somewhat porous from stains.
Slate and other stone floors don t need to be sealed though if left open they are porous and exposed.
You can test this when it s dry by dropping a bit of water on the tile surface to see how well it beads up.
Certain sealers can also.
There are two basic types of sealant that can be used on a slate floor.
Use clean warm water without detergent as some can react with the sealer.
More than one coat may be necessary to seal your slate tile properly.
The slate must be clean before applying the sealer or you will seal any dirt and marks on to the slate.
Too much moisture can stain the stone so it is recommended that even if you don t seal all of your slate floors you at least seal those parts in high traffic areas.
Just pour the sealer onto the stone and use a towel to spread it around evenly.
Choose a sealer based on the type of slate you have the amount of traffic the floor gets and the desired look of the floor.