| If ice forms at the roof edge or at the gutter, this shield can prevent seepage back into the framing. |
| Other problems would be backflow into the system or a rising groundwater table that would allow seepage into the collection system. |
| To help prevent leaks, moisture seepage and decay problems, check your roof for weak areas. |
| It consists of mineral salts from the soil or from the concrete itself and is the result of slow moisture seepage through the pavement. |
| What we want to do is to trap the water by putting borders of rock to slow down the water flow and encourage seepage. |
| The agency had warned that unless seepage through flood walls was prevented, emergency sandbagging would be needed during flood events. |
