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• Heating cable will be hold in GMK-RC on the roof
• 1 box with 50 x GMK-RC sufficient for 11 m
b. Sloped Roof with Seams
• Adhesive attachment method
• Run the cable up to the seam until it is 30 cm
• Run the cable up on one side of the seam, loop it over the other side and return to
the bottom of the gutter
• If the seams are more than 60 cm trace every seam
• GMK-RC roof clips are used to secure the GM-2CW/GM-4CW heating cable
attached by adhesive GM-SEAL 02
• Clean and prepare roof surface for adhesive
• On each seam use 4 clips
• Fasten the clips to the roof before
• Install heating cable in the brackets
c. Roof valleys
• Ice dams may form at the
valley on a roof where two
different slopes meet
• To maintain a continuous
path for melt water, run the
heating cable up and down
the valley
• Trace two-thirds of the way
up each valley with a double
run of heating cable (loop up
and back once)
• The heating cables shall not
overlap each other in the
gutter
2/3
1/3
10 cm
Summary of Contents for Raychem GM-2CW
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