Roofing, venting and bracing – Quiz 1

Is the ventilation of a roof mandatory?

True or false: The primary purpose of ventilation inside the roof is to ensure the longevity of the shingles?

True or false: The minimum venting ratio according to the code is 45% in the upper part and 55% in the lower part?

True or False: The required clearance between the insulation and the roof sheathing is 25 mm (1 in)?

When a roof does not have eaves, does it not need venting area in the low part of the roof?

I have always used the same type of roof vents without having any problems. So it is not necessary to do the ventilation calculation?

True or false: We can install any kind of soffits, and this will not have an issue on the roof ventilation?

True or False: Ventilation is the only way to reduce the risk of condensation inside the roof?