Flat Roof Connection To Wall

Performance of conventional roof systems and components including ceiling joist to rafter connections and roof framing to wall connections.

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. For example a one story garage with a flat roof may be attached to a two story house. The back channel is connected to the rafter directly and reinforced. 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.

Individual connections and connections within full scale roof systems were tested to quantify potential system effects. 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. You can raise the patio roof up to 500 millimeters by removing the eaves fascia and gutter. 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.

See fact sheet nos. Technical fact sheet no. If attaching a patio roof to a ledger beneath the eaves does not allow for enough headroom you can set the new patio roof s rafters on the wall s top plate. Yes even flat roof to wall intersections are not being properly done.

A base flashing and counter flashing are typically used. Finally access can be gained by removing interior. It is common for flat roofs to terminate against walls that are higher than the roof. Figure 1 roof wall flashing detail.

19 and 20 for rake and eave details. 23 window and door installation home builder s guide to coastal construction page 2 of 3 figure 2 installation sequence for deck. Another way is to gain access to this connection when the house is being re roofed. For 16 inch on center framing that means connecting four trusses at each end of the house.

If the membrane is asphalt built up or modified bitumen a cant strip is typically used. That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above. Hand driven and pneumatic fasteners were included in the test program. For hip roofs the code specifies that hip and girder rafters or trusses be connected to exterior wall plates.

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. By doing this method you will have a clean finish that is connected to the wall line. After that cut the rafters back to the wall line.