Party Wall Roof Flashing Detail

Roof flashing large roof penetration 8 small roof penetration 8 change of pitch 8 mansard 9 expansion joint 10 ridge capping 10 raked roof 11 box gutter 11 barge gutter 12 barge capping 12 curved barge 12 parapet top 13 parapet to sheet connection 13 wall flashing mid wall connections 14 internal corner trim 15 internal corner.

Party wall roof flashing detail.

Mc11a head wall metal flashing 2. 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. This can also relate to works near the boundary and party wall. Illustrates durable roof flashing details and shows how to flash roofs right in the real world.

A party wall surveyor will be able to clarify the likely impact and advise on the practical implementation. Ah but not in the way you think. Step flashing to a brick wall involves. And to make matters worse structurally we also tend to have some issues.

Who owns a party wall. All roof cladding located at the join except gutters require a flashing fastened on both sides of the join. 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. Where an attached backyard deck meets the house.

Flashing is installed to surround roof features such as vents chimneys and skylights. This article illustrates and discusses alternate or rather goofy attempts at roof wall intersection flashing to prevent leaks water damage and points out where leak risks may remain. Under the eaves of a roof with little overhang and no gutters. Flashings near the edges of roofs or walls can be subjected to suction or negative wind loads that can be greater than other positive imposed loads.

Mc12b metal flashing options. In all cases make sure to detail the flashing membrane so that it sheds water. It should tuck under the sheathing wrap above and over the flashing below. Mc10c low slope ventilated eave detail.

No air control in either the roof assembly or the wall assembly. Here is an attempt though maybe not a very good one to make the roof flashing serve also as a through the wall flashing with a tile roof. Think about the thermal stress a roof membrane goes through figures 7 and 8. Roof wall flashing detail specifications snafus.

Mc12 pan flashing roof to sidewall. In our page top photo my grandson tanner gilligan points out the white caulk that was installed as a stopgap. Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer. No vapor control layer and thermal bridging everywhere.

Flashing to gap to prevent growth. Mc11 head wall metal flashing. Mc12a pan flashing roof to sidewall 2. Above a lower roof where it abuts the wall.