Metal Roof Valley Ice Dam

Most insulation has an r value of 2 2 to 3 8.

Metal roof valley ice dam.

Ice dams and icicles form when the snow melts runs down your roof and refreezes near the edge. Unique heat tape cable systems for the roof valley and the roof flashing on metal roofs. The hotvalley roof ice melt system track holds a single or double run of ul listed self regulating heat cable. Ice belt metal panels many roofs are made of shingles which work well to remove water until it starts to travel upward.

That extra bit r value from the snow can make a big difference. Heat cable ul listed to prevent ice dams. Ice belt metal panels are typically short 3 4 and wide 2 5 3 and are made of thin gauge aluminum. So if you have a choice and if ice dams are a big concern look for a home without many valleys on the roof or any valleys at all.

If you do not want to install an entire new metal roof you can put metal only where it is really needed to prevent ice dams along the eaves. Or plan for a roof ice melt system to be used. Heat tape metal roofs. 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.

See below for a shopp. There are products out on the market that can prevent ice dams and keep them from forming. Stop ice dams with a cold roof. Ask this old house general contractor tom silva explains the best ways to keep your roof and gutters free from those dreaded ice dams.

To take a more pro active approach in preventing ice dams you can install ice belt metal panels which are installed along the eaves to block water. It spreads the heat across a 1 5 or 3 wide cable which creates a wide melt path for snow melt water to prevent ice dam formations it is recommended that hot valley be used in combination with any hotedge roof edge ice melt system. Another option to consider is a metal roof. Even on a metal roof keeping valleys eaves and gutters clear can only be achieved by keeping the refreeze from occurring by keeping the melt liquefied and allowing it to get off the roof and then too the ground.

When valleys and other problem areas exist on a home it is imperative that the proper underlayments be used to prevent water leaking in from ice dams. This scenario is often the result of a warm attic. You will still want to have an adequate. This is called ice belt metal panels.