Rafter gaps require wooden or steel construction with 61 cm gaps.
OSB wooden building panels are randomly nailed unto the rafters starting from the eaves.
Edgings are nailed around the whole roof after the OSC furnishing is complete.
The Bonus XPS heat insulation plates and moisture barriers are spread over the entire roof.
Edgings of the side eaves are nailed.
A row of Bonus Shingle starter strip is nailed to the front eaves.
Bonus Shingle sheets are laid out randomly from the edging to the ridge.
At least four nails are struck to each Shingle sheet.
The ventilation element for the ridge is identified.
The ridge element which is prepared by being cut from the Shingle itself is nailed over the ventilation element in the opposite direction of prevailing winds.
