Even roofs have enemies, roofing auburn wa.
- Condensation: Condensation can result from the buildup of relatively warm, moisture-laden air. Excessive moisture in a poorly ventilated attic promotes decay of wood sheathing and rafters, possibly destroying a roof structure. Sufficient attic ventilation can be acheived by installing larger or additional vents and can help alleviate problems because the attic air temperature will be closer to the outside air temperature.
- Moss and algae: Moss can grow on moist wood shingles and shakes. Once it grows, moss holds moisture even more moisture to a roof system’s surface, causing rot. In addition, moss roots also can work their way into a wood deck and structure. Besides creating a black-green stain, algae can retain moisture causing rot and dterioration. Trees and bushes should be trimmed away from houses to eliminate damp, shaded areas, and gutters should be kept clean to ensure good draina