Ice Problems On Roof
Moisture entering the home from ice dams can lead to the growth of mold and.
Ice problems on roof. An ice dam is a hump of ice that forms at the edge of a roof under certain wintertime conditions. This scenario is often the result of a warm attic. This only occurs when part of your roof warms to above 32 degrees f warm enough to melt the snow while the roof edge remains below freezing. As the warm air beneath the roof heats the shingles and melts the snow on the roof the water flows down the roofline until it reaches the overhanging eave structure where the freezing temperatures cause the water to refreeze.
Stop ice dams with a cold roof. Thereby elinmating the ice dams. Ask this old house general contractor tom silva explains the best ways to keep your roof and gutters free from those dreaded ice dams. The problem occurs when the space inside an attic or the underside of the roof deck is above the freezing point.
Ice dams happen when ice melts trickles down the roof then freezes again. Here s a breakdown of the conditions that lead to the formation of ice dams. It will put gutters and downspouts at risk too. Ice dams are a common sight in northern new england winters and home partners has dealt with quite a few.
First heat collects in the attic and warms the roof except at the eaves. An ice dam can damage both your roof and the inside of your home. As you can see the homeowner was forced to manually rake the roof edge which is a problematic process in itself to temporarily avoid roof ice problems. Water seepage and melting result in damage to many roof systems which is preventable with the installation of weather watch.
The water that backs up behind the dam can leak into a home and cause damage to walls ceilings insulation and other areas. Effects of ice dams. An ice water shield is a critical element to prevent water damage to the edges and valleys of your roof. Having a roof rake would help to eliminate the snow.
An ice dam is a ridge of ice that forms at the edge of a roof and prevents melting snow water from draining off the roof. Next snow melts on the warm roof and then freezes on the cold eaves. Ice dams and icicles form when the snow melts runs down your roof and refreezes near the edge. If dams are a serious threat to your roof the problem is usually due to poor ventilation.
I would like you to address all the issues with ice dams and offer sound solutions to those issues. Finally ice accumulates along the eaves forming a dam. See below for a shopp.