Sealing Slate Tile *outdoor

[Gorilla]

We have slate tile on our patio and it's starting to chip away, layers at a time. Whats the best way to seal it? Guy at home depot said use the stuff made for indoors

[C_Dave45]

Gotta love Home Depot "professionals".

Get this stuff: http://www2.dupont.com/Stone_Tech_Professional/en_US/products/Protect/heavy_duty_exterior_sealer.html

Shamrock flooring (http://www.shamrockflooring.com/) carries it