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Flexible roof shingle for each environment
Another advantage of these APP modified bitumen is the flexibility of the shingle. Each roof shingle is flexible at high temperatures, but now Armourglass PLUS is also flexible at low temperatures. This makes Armourglass PLUS an ideal shingle in every environment (from the African dessert to the Russian Siberian winter, from the low points in Death Valley to the roof of the world, the Himalaya).
It especially makes the installation of this roof shingle much easier for the roofer.
Cut half a tab from the 1st starter and nail down to the drip edge. Starters must be overhanged about 1 cm over the drip edge and sealed with mastic.
Random spacing can be achieved by removing different amounts from the rake tab of succeeding courses compared to classic installation method where there is removed ½ a tab.
You have to follow these general rules:
1. The width of any rake tab should be at least ¼ a tab.
2. Cutout centerlines of any course should be located at least ¼ a tab laterally from the cutout centre line in both the course above and the course below.
3. The rake tab widths should not repeat closely enough to cause the eye to follow a cutout alignment.
