Eaves Slate Roof Construction Detail

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.

Eaves slate roof construction detail.

General guidance on the most important points to be considered is given below. Full application and sitework details are given on pages 8 to 22. House extension design roof extension extension ideas roof design e design. The above illustration shows basic installation details for a traditional standard thickness slate roof.

After gutters and or fascia is installed fascia eave starter fasteners as required fascia board field form to roof pitch. The cant strip is variable in thickness according to the thickness of the slates being installed thicker slates require a thicker cant strip. 1 inch 25 4 mm 1 mile per hour 0 447 m s. Oct 31 2013 7853 0110 2d00 101 eaves detail jpg 792 532.

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. Slate roof gutter detail google search. Fix a rafter spacer tray to provide a clear air path between underlay and insulation. Slate roof valley gutter detail.

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. Eave starter detail a shingle clips see p 8 roof decking shake or slate panel underlayment ice water shield flush to eave starter fasten every 12 o c. Roof window surrounds can be particularly tricky to detail effectively even though the window flashings work perfectly well at low pitches. Slate roof gutter detail google search.

Fix a plywood board or proprietary tray to provide continuous support to underlay to prevent water retaining troughs. 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. Gable edge projection and drip edge projection can also vary somewhat. If a sprocketted or bell cast detail is used then eaves courses should be no lower than the minimum recommended roof pitch.

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