They work effectively in temperatures down to 25 f.
Roof salt tabs.
Simply toss a roof melt tablet on the roof let it do the work.
The roofmelt ice melt is designed to eliminate the need to climb onto roofs while melt snow.
The tablets help prevent roof damage by melting through ice dams and allowing water to drain safely.
Item 267152 model jl12.
Use roof melt tablets to reduce snow and ice buildup that occurs on your roof typically on the eaves and in gutters.
While safely on the ground toss a roof melt tablet onto the roof roof melt tablet then melts its way down and settles on the roofs surface roof melt begins to work when it comes into contact with snow and ice the roof melt and water mixture begin to melt away the existing ice dam.
The tablets are specially formulated with calcium chloride so they won t harm your exterior like products such as rock salt which could rust your gutters and damage shingles.
Owens corning classic 33 33 sq ft shasta white 3 tab roof shingles.