Most commonly roofing professionals install ice and water protector on eaves rake edges overhangs and valleys as they are most vulnerable to ice dams and wind driven rain.
Installing of metal ice guard roofing.
Secure with roofing nails centered on the top flange at 8 to 10 on center or per adopted local building code.
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Make a second row of marks 12 inches from the lower edge of the roof.
Continue to make marks 6 inches up.
Make the first mark 12.
When installing snow guards always refer to the manufacturer s instructions.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
One person can install long lengths of ice and water shield to the roof however it is easier for two people to install especially with some new installatio.
The ice guard needs to lie flat on the roof decking to be effective or else water will get under it and cause damage to the roof.
Install the roofing screws vertically along each rib in the panel.
Mca s technical bulletin metal roof design for cold climates can be used as a reference guide for snow retention calculations and placement.
How to install snow guards on metal roofing.
Drip edge applications should have dimensions large enough to both position the top flange of the metal 2 back from the edge of the roof deck and extend outward down over the edge.
Photo courtesy of dynamic fastener.
As well this may be a building code requirement in some jurisdictions.
By creating a barrier at the most vulnerable areas of your asphalt shingle or metal roof at the eaves and rakes in valleys around chimneys etc stormguard film surfaced leak barrier helps prevent leaks due to water backing up in your gutters wind driven rain and in the north damaging ice dams.
Because of the strength of the adhesive installing an ice guard is a two person job.