8 23b allows any water which may have penetrated through the tile to run down the roof slope into the gutter in the normal manner.
Open eaves roof detail.
Closed eave where an existing soffit is in place is typical of remodeling projects.
Open eave construction where the rafters or trusses are exposed is common on new construction.
A box eave is enclosed with a soffit.
The next important aspect is to detail the eaves allowing adequate ventilation and simple methods to achieve this are indicated in figs.
From left to right.
The wallplate is then used to secure the rafter to.
Rotted or deteriorated wooden soffits should be removed before installation of new vinyl soffits.
Closed eaves with angled soffit.
Types of eaves.
When designing an open eave with roof trusses make sure that you raise the heel of the truss and use a thicker top chord.
Open eaves with trusses.
Download this typical eaves detail cad drawing for use in your architectural detail design cad drawings.
A closed eave has very little or no overhang extension beyond the siding.
In an open eave design the roof rafters or joists and roof sheathing are visible.
Fix timber fillet to set eaves courses of tiles at same pitch as general tiling.
A roof can come to an end in basically three ways.
Open eaves with ventilating rafter tray.
Closed eaves with angled soffit closed eaves with flat soffit and no raised heel closed eaves with flat soffit and raised heel.
If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch.
To determine exactly what the rafter tail will look like i always make a full size drawing on a scrap of plywood of all the eaves elements including framing and finish materials see illustration above.
The wallplate is secured to the internal wall separated by dpc.
The eaves detail shows where the roof members and coverings meet the wall of the dwelling.
The cavity is closed with a proprietary cavity closer.
Doing so raises the eave which prevents it from conflicting with the window head height.