We needed to cover failing slate tiles on a solid surface balcony, and these tiles are the perfect solution and will allow water to drain through. We needed to cut the tiles along both the long and shorts sides of the balcony, and it was quick and easy on the table saw. We did need to redo the first cut since calculating the exact measurement with the tabs and spaces between the boards was a bit tricky since our balcony is totally enclosed on all sides. The total job was done in under three hours and we couldn’t be more pleased with the outcome.