2 ms·
Wouldn't coarse sandy paint also serve to slow down water in a downpour? But I guess they have been there 400 odd years, so I suppose this has some advantage.
by mc32 4y ago
Wouldn't coarse sandy paint also serve to slow down water in a downpour? But I guess they have been there 400 odd years, so I suppose this has some advantage.
- 4oh9do 4y ago> coarse sandy paint Sounds like that coarse sand would also leech into the water.
- mc32 4y agoThey currently paint the stepped roofs with paint. The are already surfaces that are painted and have sand mixed in to make surfaces less slippery. The bumps and pits would slow down water as it sought its level toward the gutters.
- mtnGoat 4y agoNot any more then a standard asphalt roof, which is basically what you are describing. Course aggregate mixed with simmering to hold it in place. The flat parts of each step slow the waters downward momentum much better than a slope would.