Pooled water behind the dam may leak into the building causing water damage or climb over the ice filled gutter forming icicles.
Warm breathing roof.
Warm liquids such as broth or warm water a saltwater gargle using an air humidifier and taking cough lozenges.
They can be built up from profiled metal decks as the insulation selected would provide enough rigidity to span the open sections of such decks.
Roof gutter heating.
Then a standing seam metal roof that is factory designed to sit on steel purlins which gives it a 2 gap between the metal roof and sheathing.
A roofing expert points out the important details when installing roofing membranes in warm roofs.
On my roof design i went with siga majcoat 34 0 us perm rating on top of the osb sheathing.
More information on tyvek roofing membranes http www co.
My roof could only dry to the exterior since there is 6 of closed cell spray foam underneath the osb sheathing.
Freeze and thaw cycles create ice dams that can quickly damage or even destroy roof coverings gutters and downspouts.
However advice should be sought if using profiled steel decks with a.