Roof & Gutter De-Icing. 2 Designing an IceStop System.

Roof & Gutter De-Icing

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Designing an IceStop System

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IceStop System Components

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How IceStop works

•IceStop is meant to provide drain paths.

•The path must be continuous.

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Paths Must be Continuous

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Roof Terms

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Ice.. Dam…

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Fort Drum, NY

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Cold Roof ?

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How an ice dam forms

Roof Surface

Ice forming at roof edge

Snow Cover

Standing Water

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Ice movement on a roof

Dense Snow

Icicles form as snow moves downward

Standing Water

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IceStop on the roof edge

Snow Cover

Heating cable from roof should be attached to the run in the gutter to form a continuous path.

Snow Fence

Snow Cover

Ice will build up on vertical surface

Wind

Snow Fence

Drip loop extends over edge

if a gutter is not used.

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Design Steps

• Determine the cable layout for the roof, gutters, and downspouts

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Heating cable on a shingled roof

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Heating Cable Details

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Design Steps

•Determine the attachment methods you will use.

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Means of Attaching to a Roof

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Design Steps

•Select the type of control you will use.

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Typical Control Scheme

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Design Steps

•Select components and accessories.

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Design Steps

•Determine electrical requirements.

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What to look for at a job site

• Does the contractor understand the IceStop layout?

• Are the proper IceStop components being used?

• Is the heating cable being attached properly?

• Is the proper voltage being used (120VAC for GM1-X)?

• Does the contractor have a megger on site ?

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Detroit Airport, Detroit, MI

Fleet Center, Boston, MA

Toronto Trade Center, Toronto, ON

Big Gutter Anti-Icing

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Bear Stearns Building

New York, NY

Other Roof Safety Applications