Flat Roof Connection To Wall
Hand driven and pneumatic fasteners were included in the test program.
Flat roof connection to wall. For gable end roofs the florida code requires that you start by tying down roof framing members within 6 feet of each corner. The back channel is connected to the rafter directly and reinforced. There are several ways to gain access to the roof to wall connections in masonry houses. On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below.
19 and 20 for rake and eave details. Another way is to gain access to this connection when the house is being re roofed. 23 window and door installation home builder s guide to coastal construction page 2 of 3 figure 2 installation sequence for deck. To install the roof wall flashing above the builder bent the top edge of the flashing into a 90 degree lip about 2 cm in width.
Connect the water control element layer of the roof to the wall the air control element layer of the roof to the wall the vapor control element layer of the roof to the wall and finally the thermal control element layer of the roof to the wall. Technical fact sheet no. One possible way is to gain access through the eave area which may be exposed or through the soffit which is the flat surface at the eaves that forms a sort of ceiling where the roof overhangs the exterior wall. A base flashing and counter flashing are typically used.
Yes even flat roof to wall intersections are not being properly done. Individual connections and connections within full scale roof systems were tested to quantify potential system effects. Figure 1 roof wall flashing detail. See fact sheet nos.
After that cut the rafters back to the wall line. Finally access can be gained by removing interior. By doing this method you will have a clean finish that is connected to the wall line. The flat roofing material must go up the wall a minimum of 12 or up the wall and over the top of the wall if the wall is less than 12 high.
For example a one story garage with a flat roof may be attached to a two story house. You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter. For 16 inch on center framing that means connecting four trusses at each end of the house. Retrofitting roof to wall connections in masonry houses.
For hip roofs the code specifies that hip and girder rafters or trusses be connected to exterior wall plates. If the membrane is asphalt built up or modified bitumen a cant strip is typically used. It is common for flat roofs to terminate against walls that are higher than the roof.