Eaves Slate Roof Construction Detail

Cad details document name pdf dwg download all cad construction details 37 1 mb 3 4 mb mc01 identification of roof areas 694 kb 167 kb mc01a single layer underlayment 678 kb 302 kb mc01b double layer underlayment 711 kb 322 kb mc02 vent pipe flashing 626 kb 349 kb mc03 valley.

Eaves slate roof construction detail. Ridges were often constructed using slates rather than ridge tiles or stone. General guidance on the most important points to be considered is given below. Minimum slate headlap moderate weather this table of slate overlaps and roof angles shows common sizes of roofing slate and the recommended slope for the corresponding slate size. The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip.

Direct water away from fascia. Fix a rafter spacer tray to provide a clear air path between underlay and insulation. Danelaw offers a wide range of roofing ventilation products covering a wide range of tile types and construction details from new build to refurbishment. Due to cohesion surface tension and other forces water droplets tend to stick to one another and to the surfaces they are on albeit slightly.

If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch. Effective design of a slate roof must take into account a number of inter related factors including site exposure the pitch of the roof the type of slate selected and the slate lap. The above illustration shows basic installation details for a traditional standard thickness slate roof. Full application and sitework details are given on pages 8 to 22.

The range of tile and slate vents as well as providing ventilation into the roof void they can be used with mechanical extraction in bathrooms or kitchens or used for soil ventilation. With heavy materials such as cotswold stone slates this has necessitated the cussome detail figure 7 in which the eaves slates are set under the first lath to prevent them tilting over. Gable edge projection and drip edge projection can also vary somewhat. A drip edge is designed to take advantage of those forces and along with gravity direct water into the gutter.

Take a look at the slate tile roof installation guide to gather more detailed information regarding the repair installation of slate roofs.