Ventilation

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Abstract
Many homes and small buildings are constructed with a roof or attic space between the upper floor ceiling and the roof deck. Whenever a roof space exists over an occupied interior, measures must e taken to properly ventilate the space. This bulletin reviews that requirements and means of ventilating roof spaces.

Date
2/2003

Author(s)
CRCA

Page(s)
6

Source
Canadian Roofing Contractors Assn

Keyword(s)
attic ventilation; CRCA; condensation; ice dam; vent type

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