Party Wall Roof Flashing Detail

No air control in either the roof assembly or the wall assembly.

Party wall roof flashing detail.

Think about the thermal stress a roof membrane goes through figures 7 and 8. 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. 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. 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.

Flashing is installed to surround roof features such as vents chimneys and skylights. 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. Ah but not in the way you think. Roof wall flashing detail specifications snafus.

Step flashing to a brick wall involves. 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. Mc12b metal flashing options. Mc12a pan flashing roof to sidewall 2.

It should tuck under the sheathing wrap above and over the flashing below. A party wall surveyor will be able to clarify the likely impact and advise on the practical implementation. Who owns a party wall. Mc12 pan flashing roof to sidewall.

Mc11a head wall metal flashing 2. Mc11 head wall metal flashing. Mc10d double lap tile. Above a lower roof where it abuts the wall.

In all cases make sure to detail the flashing membrane so that it sheds water. In our page top photo my grandson tanner gilligan points out the white caulk that was installed as a stopgap. This can also relate to works near the boundary and party wall. 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. And to make matters worse structurally we also tend to have some issues. Flashing to gap to prevent growth. Where an attached backyard deck meets the house.

Mc10c low slope ventilated eave detail. No vapor control layer and thermal bridging everywhere. 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. Illustrates durable roof flashing details and shows how to flash roofs right in the real world.