Roof & Gutter De-Icing

2 Designing an IceStop System

3 IceStop System Components

4 How IceStop works IceStop is meant to provide drain paths. The path must be continuous.

5 Paths Must be Continuous

6 Roof Terms

7 Ice.. Dam…

8 Fort Drum, NY

9 Cold Roof ?

10 How an ice dam forms Roof Surface Ice forming at roof edge Snow Cover Standing Water

11 Ice movement on a roof

12 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.

13 Design Steps Determine the cable layout for the roof, gutters, and downspouts

14 Heating cable on a shingled roof

15 Heating Cable Details

16 Design Steps Determine the attachment methods you will use.

17 Means of Attaching to a Roof

18 Design Steps Select the type of control you will use.

19 Typical Control Scheme

20 Design Steps Select components and accessories.

21 Design Steps Determine electrical requirements.

22 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 ?

23 Detroit Airport, Detroit, MI Fleet Center, Boston, MA Toronto Trade Center, Toronto, ON Big Gutter Anti-Icing

24 Bear Stearns Building New York, NY Other Roof Safety Applications