Roof Boards Damp

Roof cuts and thermographic imaging can also detect moisture in addition to other strategies.

Roof boards damp.

Such cookers often allow for the quick rise of moist air leaving behind the cold air. Follow the water uphill till the wood is no longer wet. It is never a good idea to install a roof over wet plywood or any type of roof sheathing. This leads to the formation of damp spots on the surface of the roof.

Cracking noises can sometimes be heard when walking on the roof during wintertime as a thin layer of ice breaks he adds. Look for damp spots on the underside of your roof. Mold growth on attic roof sheathing is a common issue in cool climates such as the pacific northwest. Trapped water will boil when the sun heats the roof and the shingles will then have small pits where the.

In the vast majority of cases the mold growth is caused by condensation. Also look for a thin stream of water flowing down one of the rafters. Look for potential entry points like roof vents valleys loose nails and mark the area with chalk so you can examine the exterior of your roof after it quits raining. On structural concrete and possibly wood planks or plywood moisture drips may not be observed.

When this warm air reaches the spaces in the roofs it gets in contact with cold air and condenses.