WebMay 19, 2024 · When you see water and ice on the nails, the actual temperature of the nails is at or below the dew point of the air in the attic that is saturated with water vapor. You see this same thing happen in summer months when you place a glass of cold water or a can of cold soda or beer on an outdoor table. WebJul 18, 2024 · Moisture that escapes into the cold attic from the rooms below often condenses on cold nails. Sometimes you can spot this if you climb up into your attic on a cold night. ... When the attic heats up a bit during the day, the frost melts and drips, then the nails frost up at night again and so on. The solution is to simply clip the nail with a ...
Attic Ice, Moisture, Mold - InspectAPedia
WebOct 16, 2024 · The nails will look white because they're frosted. When the attic heats up a bit during the day, the frost melts and drips, then the nails frost up at night again and so on. The solution is to simply clip the nail … WebI think there is a big problem with nails extending through the sheathing into the attic space. When the temperature falls below 32 degrees the humidity in the air will condense on the nails (frost). Above 32 degrees, the frost … port madgemouth
Frost in attic - Structural Inspections - InterNACHI®️ Forum
WebWithout one I would check the attic hatch and any pipe penetrations into the attic. Correct answer. Air leakage is the moisture source. Air sealing the attic will solve this, and also save significant energy and improve comfort in the home. Ventilation is just a band aid -- don't waste your time on it. WebDec 20, 2011 · Rusty nails poking through the roof deck, dripping with water or even with little snow caps. If the moisture is really high, you’ll even see frost all over the wood. This is exactly the same as the bathroom window – water from warmer, higher moisture air condensing on the cold surfaces like the nails or roof deck. ... In my attic above my ... WebDec 17, 2024 · Moisture, frost and ice buildup on roofing nails; Dark stains; Moisture or frost on the roofs sheathing; Water or drip marks scattered on the attic floor; ... If the attic has blown in cellulose check to see if there is a vapor barrier and confirm the cellulose insulation is spread evenly throughout the attic floor. Attics with pull-down attic ... port maersk callouts