Sloped Roof; Roof Valleys - Pentair Raychem GM-2CW Installation Manual

• 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
10 cm
1/3
2/3
9