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taken_name t1_j5mqimy wrote

Reply to comment by coldoll514 in How do I caulk a 270 degree edge? by eagleslanding

Grout isn't waterproof, it is porous.

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coldoll514 t1_j5nue6x wrote

modern grout is waterproof

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taken_name t1_j5nv7mc wrote

Any cement based grout which is the most commonly used grout is not waterproof. Water resistant, but not water proof. Epoxy grout on the other hand is, but it is not as common.

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coldoll514 t1_j5o6fmh wrote

i said modern grout, yes? which would all have an epoxy element to them.

also, i said "theoretically” waterproof originally. didn’t think that the minuscule amount of water absorption was material to the conversation.

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