1 Hour Fire Rated Roof Eave Detail

Everything you wanted to know about fire rated construction but were afraid to ask.

1 hour fire rated roof eave detail.

Roof eave fire resistance rating shall be permitted to be reduced to 0 hours on the underside of the eave if. Fire safety caution passing a fire test in a controlled laboratory setting and or certifying or labeling a product as having a one hour two hour or any other fire resistance or protection rating and therefore as acceptable for use in certain fire rated assemblies systems does not mean that either a particular assembly system. For more information on eave construction or other fire code requirements please refer to the county s wildland urban interface summary document pds 664 or contact the county s building department fire services division at 858 565 5920. Fire resistance rated 1 hour on the underside.

Where when and how to determine if you need it. There are no lot lines. A b 2 feet to 5 feet not fire resistance rated 0 hours 5 feet openings in walls. Fire resistance rating minimum fire separation distance not allowed n a 2 feet fire resistance rated 1 hour on the underside a b 2 feet to 5 feet projections not fire resistance rated 0 hours 5 feet n a not applicable.

Of 1 hr fire rated construction with no openings exterior walls located less than 3 feet from a property line must be of 1 hr fire rated construction with no openings no eave is allowed on a house when the wall is 2 or less to the property line however a detached garage structure may have a 4 maximum eave. Not allowed n a 3 feet 25 maximum of wall area per story. According to r302 1 the projection not the wall has to be fire rated. A minimum 1 hour fire resistance rating to prevent embers and hot gases from making contact with the joists rafters or trusses or the underside of the roof decking.

The developer only requires a 7 gap between homes subject to fire code of course.