Party Wall Roof Flashing Detail

A weatherproofing flashing detail at roof level some form of weatherproofing seal at the junction of the two walls and finally the adjoining owner will likely need to install a slip membrane between the building owner s existing foundations and their proposed foundations.

Party wall roof flashing detail.

Think about the thermal stress a roof membrane goes through figures 7 and 8. Ah but not in the way you think. 300 series wall and curb details documents. Flashing is installed to surround roof features such as vents chimneys and skylights.

Although not a detail requiring the use of flashing attention is drawn to the detailing of roof sheet overhangs. No membrane under the parapet flashing. This can also relate to works near the boundary and party wall. Drip edge metal valley flashing dormer chimney and kickout flashing are types of roof flashing that shed water away from the connections between roofs walls chimneys and other building assemblies.

302 wall curb flashing with termination bar detail dwg doc type. Stramit technical manuals give maximum overhangs for each roofing profile. Who owns a party wall. No vapor control layer and thermal bridging everywhere.

Step flashing to a brick wall involves. And to make matters worse structurally we also tend to have some issues. No air control in either the roof assembly or the wall assembly. In all cases make sure to detail the flashing membrane so that it sheds water.

Flashing to gap to prevent growth. 302 wall curb flashing with termination bar detail pdf doc type. Flashing and roof upstand detail gap to be sealed. 301 parapet wall flashing with counterflashing detail pdf doc type.

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley. Make sure laps are adequate and that detailing and installation of grp products such as dormers chimneys and valleys maintain their waterproof integrity. It should tuck under the sheathing wrap above and over the flashing below. 301 parapet wall flashing with counterflashing detail dwg doc type.

If installed along the foundation the membrane should cover the joint where the sill meets the foundation. A party wall surveyor will be able to clarify the likely impact and advise on the practical implementation.