Is It Normal To Have Frost On Roof Sheathing

Can sun get to the roof you will have either frost or water collecting.

Is it normal to have frost on roof sheathing.

In the parlance of building scientists these cold wooden house parts make up a condensing surface much like a cold glass of ice tea beads with water on a hot summer day. 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. 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 itself doesn t do any damage but once it melts things get wet and then damage occurs. Left unchecked frost in an attic can lead to serious mold and decay. 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. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet insulation and water stains on the ceilings.

When it reaches the cold surface of the roof sheathing and framing it turns to frost. The waviness generally does not cause a roof to leak but it may be architecturally unsightly or occasionally can indicate a problem. Poor framing practice is one of the more common reasons for roof waviness. When moisture gets into the attic it condenses on the roof sheathing in the form of frost.

Depending on the temperature and the insolation ie. My average electric utility bill is 156 per month. My home is total electric for heating cooling hot water cooking and of course electric lights using fluorescent lights on 90 of the lighting. Melting frost can lead to deteriorated roof sheathing mold on the roof sheathing wet.

Before getting concerned you need to make sure the lack of frost is due to the roof itself and not from outside forces. The problems you pointed out are certainly real and need repair but getting the underside of the decking frosted requires vapor. When some of the crowns are up and some are. Along with an infrared camera they are typically well equipped to find your problem.

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. The carpenter may have failed to put all of the crowns up on site framed roofs. Frost on underside of roof sheathing it s more likely a vapor problem than a liquid water problem.