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What Caused the Ice in my Attic

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Why is there ICE in my Attic and where did it come from?

  • ICE DAMS ARE CREATED WHEN THE HOT MOIST AIR RISES FROM THE INTERIOR OF THE BUILDING.

  • As the Hot Moist Air Rises into the Attic and meets the Roof Framing System.  Condensation Occurs on the Cold Framing Members consisting of: Rafters, Roof Trusses, Roof Decking

  • As the Condensation Cools the Moisture in the Air Freezes on the Roof System.

Ice Dams1-CAD Drawing by Scotts Contracting
Example 1 of how Ice Dams Form in the Attic
Ice Dams-CAD Drawing by Scotts Contracting
Example 2 of How Ice Dams Form in the Attic
Read how Ice Dams are Prevented in upcoming Blog Post or
view prior Green Blog Posts on Attic and Attic Insulation
Scotts Contracting is Available to Discuss “Energy Saving Alternatives for your Home in St Louis.  Please use the contact form to schedule an appoint for Money Saving Actions for your Home.
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