Quote:I agree. 10% is pretty standard. Although you could possible get away with 5% extra, you definetly want to have some leftover for future repairs. Tile products are often discontinued so you may not be able to purchase more in the future. Even if you were able to buy more later, it would be from a different batch and the colors might be slightly off.

Great Point! I retiled my bathroom 2 years ago and somehow a tile got chipped over the 2 years...I ran to the store to get a replacement and it was discontinued! Luckily I found some extras in the garage!

That saved the day!