If the tiles are not sealed sufficiently then there exists danger of fading easily. It is important that slate tiles are being used in places where they may not be exposed to large involving water. Sealers can be regularly used to maintain the durability in the tiles.
After exploring many with the formations areas, we continued south to your Elephant Ears and saving money Passage. The green Passage can be a smaller crawl and walking passage which leads to the Blowing Golf hole. The Blowing Hole is a short cut to the very center level in the cave. Bill Torode cleared the dirt from within the hole, Slate Flooring for Historical preservation placed a bolt in the wall and stone Veneer for bathroom walls installed a cable steps. The hole is about four feet around and a simple place to belay climbers as they're going down the ladder.