Roof Snow Guard Spacing

You can use the following snow guard calculator to calculate how many roofing snow guards are needed for your roof.

Roof snow guard spacing.

Metal rubber tpo pvc slate asphalt shingle tile glass. The running feet along the eaves that you want to protect. Alpine snow guards recommends placing a three row pattern on the lower roof 24 o c. Snow guard placement will vary from region to region and will be influenced by roof pitch the lengths of roof runs and roof features.

Up to 45 psf ground snow load. With the middle row staggerd 12 and covering the remaining roof to within 10 feet of the ridge with evenlyspaced snow guards between the bottom three row pattern and the top un guarded area. Our approach to snow guard placement involves placing snow guards throughout the entire roof area to keep snow and ice from shifting initially. The rafter length from gutter to ridge.

Snow guards are installed to help prevent the dangerous slide of snow and ice. The data found on this web site is produced from sources believed to be reliable. Snow and ice can avalanche dangerously off of glossy coated metal roofing. 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15.

Enter your snow load in psf psf. As haddock notes the steeper the roof the greater the forces are that act on the snow guard assembly. Approximate slope of the roof. 2 snow guards per valley every 15 feet of roof.

Our approach to snowguard placement involves placing snow guards throughout the entire roof area to keep snow and ice from shifting initially. Their correct placement location and attachment determine their effectiveness. For example a 4 12 roof that is 50 feet from eave to ridge with a 40 psf design roof snow load will exert 633 pounds per linear foot of eave on the snow guard assembly he explains. If you hold snow and ice in place with an effective snow guard layout you evenly distribute the load on the roof and the snow guards and the threat of avalanche is.

We need the following to give the proper spacing of snow guards. Starting at 1 foot from the bottom edge place 2 snow guards equally spaced apart in the valley in a staggered pattern across the entire roof area. The data is meant only to assist roofing. Go up the roof 15 feet and repeat the staggered pattern of guards in every valley as placed below.