Do not seal housewrap or building paper to step flashing.
Roof to wall intersections.
Use step flashing that has a 2 to 4 inch longer vertical leg than normal.
Bigger step flashing is better.
The narrower step flashing just isn t wide enough to protect the intersection fully.
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.
Yes even flat roof to wall intersections are not being properly done.
4 1 roof to wall junction 78 4 2 roof junction detail 81 4 3 tricky lean to junction 85 4 4 so t detail at gable verge 88 4 5 parapet or balustrade to wall junction 90.
Roof wall flashing detail specifications snafus.
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The most common roof to wall intersections involve either a gable roof with its ridge running perpendicular to the wall or a shed roof that slopes downward away from the wall.
As a result most typical construction does not use any type of through the wall flashing which results in leaky wall complaints.
Schauffele division 7 solutions inc.
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.
Certified air barrier specialist 007007 roy f.
76 build supplement flashings section 4 roof wall intersections roof wall intersections section 4.
Places where roofs and walls intersect are very common.
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.
This illustration shows proper flashing at a headwall condition.
A headwall is a level junction where a roof meets a wall.
They re called headwalls and sidewalls.
For deck flashing.
Roof leg and a 7 in.
Tape the top of step flashing with 4 inch wide minimum self adhering modified bitumen roof tape.
The current flashing details in the 2013 international residential code irc for sloped roof wall intersections are very difficult to construct.
We describe the different flashing materials that can be used how and where flashing should be installed at various building wall intersections and corners at the intersection of a roof and building wall at other locations and how to seal these locations against leaks or insect damage.
Finally the housewrap can be laid up on the wall to cover the top of the kickout diverter and step flashings.
