That lip is then set into a reglet or groove in this case cut into the mortar joint of the brick wall above.
Wall to roof flashing details rigid insulation.
Although gba has published many articles and videos on the topic we continue to receive frequent questions from readers asking how to install rigid foam sheathing on exterior walls so it s time to provide a primer on the topic.
Industry trend to using exterior rigid insulation increased thermal value condensation resistance increased air tightness possibly increased rainwater management possibly need to develop a means to attach cladding over thick layers of exterior insulation that can meet the following.
A continuous fully adhered air control layer supported by gypsum sheathing on.
Window detail gyp.
Then on top of the rigid thermal insulation there should be a coverboard.
Cold roof insulation between rafters wnapor barrier on warm side below orw sheatiiing roofing roofing 2 x 8 sleepers notched for vent aligned wi rafters flashing over rooang fascia sheatiiing 2 x 4 sleepers aligned w rafters provide.
Proper roof wall flashing example.
Us rpvc 04 02b pvc membrane insulated liquid applied wall flashing with surface mounted counterflashing dwg pdf us rpvc 01 11 pvc membrane non insulated roof assembly.
This coverboard is also screwed down to the metal deck.
Updated on july 20 2015.
Rigid foam offers tremendous boost to a home or office s r value.
To install measure the foam insulation panels to the roof s dimensions.
Other roof protrustions sothat notiiing obstructs tiieflow ofair from eave to ridge.
The same detail works with a piece of flat flashing with a 1 4 step and hemmed bottom edge.
One of the best benefits of rigid foam insulation is that it offers excellent thermal resistance at around double that of traditional insulation.
Another approach that also works is to substitute a water table at the bottom of the siding which can be removed when re roofing.
Perfect compact roof the roof i would build if i were in charge.
Finally a roof membrane is fully adhered to the coverboard.
Use a straight edge knife or utility knife to cut the.
What s the best way to install foam insulation on the outside of a wall.
Wall system adhered stone veneer over steel studs backup rigid insulation drainage material november 30 2015 03 090 0401.