Smart vent a special roof eaves vent product that provides a 3 4 opening about 6 above the top of the roof.
Roof insulation eaves detail.
Fix timber fillet to set eaves courses of tiles at same pitch as general tiling.
If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch.
The cavity is closed with a proprietary cavity closer.
Fix a rafter spacer tray to provide a clear air path between underlay and insulation.
How to construct a roof with full insulation at the eaves.
The eaves detail shows where the roof members and coverings meet the wall of the dwelling.
A minimum ventilation gap of 25mm is to be provided over the loft insulation to allow sufficient ventilation at the eaves.
Detail summary detail to show the buildup of new loft insulation to the underside of an existing eaves installed internally to allow ventilation of the existing roof over the new insulation.
In cool or cold weather moisture laden air drawn into the attic or roof cavity will leave its moisture as condensation on the roof deck underside or in the attic or roof insulation.
Venting solutions for roofs with no overhang or soffit.
Install special roof intake venting products that work at the lower edge of the roof decking underneath the first course of shingles.
The wallplate is secured to the internal wall separated by dpc.
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.
The cavity is closed with a proprietary cavity closer.
The wallplate is secured to the internal wall separated by dpc.
The lower edge of a roof which projects beyond the face of the wall.
The wallplate is then used to secure the rafter to.
Specify 2 to 2 foot overhangs which are higher providing more room for insulation at the top plate and additional window shading.
Inside your home usually in the attic the eave is the angle where the roof meets the outside wall a good place for insulation as long as it doesn t get into the soffit the underside of the overhang.
Order and install oversized or raised heel trusses figure 3 or install site built rafters with raised top plates figure 4.
The next important aspect is to detail the eaves allowing adequate ventilation and simple methods to achieve this are indicated in figs.
Eaves detail the eaves detail shows where the roof members and coverings meet the wall of the dwelling.
The wallplate is then used to secure the rafter to.
The architect john milnes baker defines eaves in this simple way.
Download dwg file.