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The ventilation space in this vented over-roof keeps the roof cool to prevent ice dams over the unvented attic

The ventilation space in this vented over-roof keeps the roof cool to prevent ice dams over the unvented attic

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Construct Roofs and Attics for Ice Dam Prevention

Guide

Guide describing how ice dams form and how roofs can be constructed to prevent them.

Managing Indoor Humidity and Ventilation in Cold Weather

Guide

Guide describing steps to take to minimize indoor humidity during cold winter weather.

Managing Snow Loads on Roofs and Decks

Guide

Guide describing how to construct homes and decks to manage heavy snow loads in winter weather.

Roof Eaves Sealed with Self-Adhering Membrane in Cold Climates

Guide

Guide describing how to apply self-adhered asphaltic membranes at eaves in cold climates to help guard against ice dams.