Metal flashing was used on both valleys where the house roof meets the barn and the flashing runs all the way to the junction of the t.
Capping where dormer meets roof.
I have just reshingled the barn and am at the point of capping the ridge.
During driving rain the water would be driven in under the caping flashing runing down the sarking out through the tears and along the.
The barn does not have a vent cap.
When the domer was done the sarking felt was torn also only a capping flashing was used.
One job i have done involved a similar leak on one side of a verticaly tiled dormer window adjoining a leaded flat roof.
My house s roof ridge joins a small barn at the center of the barn s roof ridge forming a t.
6 shingle a dormer shed roof like a main roof with a starter strip over metal edge flashing at the outside of.
Step flash up both sides of the dormer to where the dormer roof meets the main roof.
1 install roof underlayment up to the dormer cutting it a few inches short of the roof wall joints at the front and side walls.
Nz metal roof and wall cladding code of practice table of contents v 2 2 page 3 table of contents 1 1 0 table of contents 2 0p erformance 3 0 construction load 4 0 d esign 5 0f lashings 6 0p enetrations 7 0i nstallation 8 0 roof drainage 9 0 plastic roof lighting 10 0 pressed metal tiles 11 0 secret fixed cladding 12 0 insulated panels.
Apply peel and stick membrane to the front wall of the dormer making sure it overlaps the roof underlayment and wraps up onto the wall 6 or 8 inches.
Here s a step by step look at how to flash a dormer so that water is carried away from those vulnerable areas.
Ridge cap on intersecting ridge roof dormer etc hey.