Draft Stops In Attics

Would anybody disagree with what i just said.

Draft stops in attics.

Draft stop access door. Just like fire blocking draft stopping aims to stop the fire from jumping between adjacent units. Draftstopping shall be provided in attics mansards overhangs or other concealed roof spaces of group r 2 buildings with three or more dwelling units and in all group r 1 buildings. Draft stops shall be installed in attics mansards overhangs false fronts set out from walls and similar concealed spaces of buildings having uses other than dwellings or hotels so that the area between draft stops does not exceed 3 000 square feet 279 m and the greatest horizontal dimension does not exceed 60 feet 18 288 mm.

If i provide an access to the mansard attic area i do not need draft stops. We do not need drafts stops in attics because there is an attic access. Draftstopping shall be installed above and in line with sleeping unit and dwelling unit separation walls that do not extend to the underside of the roof sheathing above. Over the decades the size of attic space that required draft stopping has changed.

Draft stop access doors are installed to prevent the movement of air within open areas such as attics or ceiling crawl spaces. We do need drafts stops in mansards because the mansard attic is an enclosed space without an access. If you are looking for this relevant building material access doors and panels features products from reliable brands babcock davis and cendrex. Basically any structure built or remolded since the early 1970s needs to have draft stopping every 3 000 square feet of attic space.

In order to meet ul requirements it is self closing and self latching.