Porous Concrete Roof Tiles

This weight increase is extremely unlikely to cause structural roof failure.

Porous concrete roof tiles.

Understandably when you re dealing with a concrete roof this is a big concern because they are so exposed to the elements the last thing you want to happen is to have your concrete tiles fall off your roof. The porosity of concrete roof tiles measured under laboratory conditions is usually less than 10. Given that porous roof tiles are weaker than tiles that aren t suffering from the same issue it means they can also present a danger. Porous roof tiles are more dangerous to walk on as they are more likely to break the leaking water can cause damage to your home and the mould that forms due to roof leaks can present health concerns.

Although this concerns mainly the looks of your roof in the long run this may result in the enlargement of these currently very small holes. But you can rest easy because it s all a myth concrete roof tiles don t become porous. In practice the absorption of water by capillary action during periods of heavy rain would increase their weight by only 5. For those who don t know porous in this case means the concrete roof tiles will let water through.

Compared to unsightly weather beaten asphalt shingles and their replacement costs concrete roof tiles offer an affordable and economical alternative especially when considering their life cycle cost. Here are some of the risks concerning porous tiles. Concrete tiles have grown more competitive in price due in part to the rising costs of petroleumbased products such as asphalt shingles. Cedar shakes shingles.