Roof assemblies - renovation

Ice dams on roofs & how to fix them
Roof assemblies - renovation

What causes ice dams and how to fix them

Learn how to fix Ice dams on your roof before they cause damage. Ice dams form at the bottom of roofs, letting water penetrate and cause damage to the interior of walls and roofs. When snow melts on a roof it runs down until it meets the unheated bottom edge of a roof and then freezes. This chunk of ice is called…

阁楼结霜:什么导致阁楼结霜?如何解决?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

A roof leak isn't really a roof leak if it’s leaking in on a sunny spring day as the snow finally starts to thaw. It's more likely a build up of frost and ice in your roof space - so how to prevent it. Frost in Attics: why is there Ice in my roof? When a warm sunny day arrives after a long cold stretch and it seems…