Eaves Slate Roof Construction Detail

The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip.

Eaves slate roof construction detail.

If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch. Step by step projects creative homeowner ed 2004 isbn 10. House extension design roof extension extension ideas roof design e design. 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. Slate roof gutter detail google search. Slate roof valley gutter detail. 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.

Detailing a low pitch eaves the lower the roof pitch the more difficult it becomes to construct an effective eaves system particularly where roofspace ventilation is required. Fix a rafter spacer tray to provide a clear air path between underlay and insulation. Roof window surrounds can be particularly tricky to detail effectively even though the window flashings work perfectly well at low pitches. Slate roofing in canada studi4es in archaeology architecture and history smart guide.

Slate roof gutter detail google search. Construct a soffit or eaves overhang combined with assuring that an opening is provided all along the top of the building wall by removing any blocking between roof rafters at the top plate combined with use of roof insulation baffles to assure an air inflow pathway under the roof deck. Full application and sitework details are given on pages 8 to 22. If your property s roof is in the green moderate part of the uk but you know of prevailing bad winds or weather you may wish to use the other chart instead.

Oct 31 2013 7853 0110 2d00 101 eaves detail jpg 792 532. General guidance on the most important points to be considered is given below. 1 inch 25 4 mm 1 mile per hour 0 447 m s. Slate roof valley gutter detail.

Fix a plywood board or proprietary tray to provide continuous support to underlay to prevent water retaining troughs. 905 1 2 ice barriers in areas where there has been a history of ice forming along the eaves causing a backup of water as designated in table 301 2 1 an ice barrier shall be installed for asphalt shingles metal roof shingles mineral surfaced roll roofing slate and slate type shingles wood shingles and wood shakes.