Slate Roof Ventilation Requirements

They are super easy to fit either for new roofs or renovating an existing one.

Slate roof ventilation requirements.

Near ridge of the roof. The ventilation requirements may vary based on the circumstances of the building. Moreover slates are vapor permeable so moisture problems at the sheathing layer are highly unlikely. It s said that one of the best places to fit slate roof vents is normally the bottom third of a roof just above insulation level.

As you noted slate roofs tend to allow air movement through the slates. Matthias in my judgment you can skip the ridge vent. Based on your 1100 sq. Eaves soffits and fascias.

To comply with the code of practice for control of condensation in buildings bs 5250 2011 a1 2016 and the nhbc roof vents should be installed at both the eaves and ridge level. Slate vents are by far the easiest professional solution to roof ventilation problems. Enclosed attics and enclosed rafter spaces formed where ceilings are applied directly to the underside of roof rafters shall have cross ventilation for each separate space by ventilating openings protected against the entrance of rain or snow. Ventilation openings shall have a least dimension of 1 16 inch 1 6 mm minimum and 1 4 inch 6 4 mm maximum.

How many slate roof vents do i need.