Is It Normal To Have Frost On Roof Sheathing

My home is total electric for heating cooling hot water cooking and of course electric lights using fluorescent lights on 90 of the lighting.

Is it normal to have frost on roof sheathing. Can sun get to the roof you will have either frost or water collecting. Before getting concerned you need to make sure the lack of frost is due to the roof itself and not from outside forces. A little bit of frost forming is not unusual after really low nighttime temperatures and it isn t a huge problem if it is able to melt and evaporate so that the wood can dry. It s very very common to see frost in small areas on the roofing nails penetrating the sheathing and in areas where air circulation may not be the best.

The problems you pointed out are certainly real and need repair but getting the underside of the decking frosted requires vapor. Since the condensation and resulting frost will damage that plywood if you are unable to locate the source of the moisture check into having an energy auditor come in and run a pressure test. The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem. When some of the crowns are up and some are.

To see this is not ideal but it s very. The frost itself doesn t do any damage but once it melts things get wet which is when the damage occurs. Frost on underside of roof sheathing it s more likely a vapor problem than a liquid water problem. If all of your neighbor s roofs have a healthy sheen of frost on top of them but yours does not it may not be the best sign.

Along with an infrared camera they are typically well equipped to find your problem. Frost and ice forms in attics when warm humid air accumulates and condenses on the underside of your roof sheathing. When it reaches the cold surface of the roof sheathing and framing it turns to frost. The carpenter may have failed to put all of the crowns up on site framed roofs.

Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet. When moisture gets into the attic it condenses on the roof sheathing in the form of frost. Left unchecked frost in an attic can lead to serious mold and decay. I have a 6 000sf home with geothermal heat pump system and i have 4 x 8 sheathing with aluminum backing.

Depending on the temperature and the insolation ie. Poor framing practice is one of the more common reasons for roof waviness. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings.