Construct Roofs and Attics for Ice Dam Prevention Description Guide describing how ice dams form and how roofs can be constructed to prevent them.
Roof Eaves Sealed with Self-Adhering Membrane in Cold Climates Description Guide describing how to apply heavy membranes at eaves in cold climates to help guard against ice dams.
Slab Edge Insulation Description Guide describing how to insulate slabs on grade in climate zones 4 and higher.