The valley is first lined with a thick felt paper then the copper valley pan is placed and copper nails are placed on booth sides of the pan to keep it from shifting or moving.
Slate roof valley detail.
For example in metal roofing systems valleys are commonly fabricated with hems but can also be fabricated without them in which case they could still be used for metal roofing or any other type of roofing.
Here you can find instructions for installing a slate roof repairing and restoring slate roofs and repairing asbestos roofs and ceramic tile roofs.
Their size will vary with the length width and exposure of the slate and the slope s of the adjoining roofs.
Measure to see if an extra wide slate or slate and a half is required to avoid nailing into any valley flashing.
The shingles or slate must lap the flashing at least 6.
Fixing sequence at mitred valley 1 lay a strip of underlay 600 mm wide over the valley underlapping the main underlay.
Roof valley flashing specifications and details roof valley flashing specifications for asphalt shingle roofs open roof valley flashing installation details closed cut roof valley flashing installation details woven roof valley flashing installation details.
That being said valley s on a slate or tile roof have a pan that is placed in the center of the valley and the best material to use for these pans is copper.
On average north american produced s 1 rated roofing slate will cost 400 600 usd per square 100 square feet or 4 00 to 6.
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.
The cant strip can also be constructed as shown in detail 9 5d.
3 fix slates to interleave with code 3 lead or stainless steel soakers nailed to battens at the top edge to provide a straight weathertight close mitred joint.
Autocad 2000 dwg format for a full range of ssq natural slate tiles plea.
Slate roof central basic instructions on how to install slate roof hips and ridges slate roof central is your center hub for all things related to natural quarried slate roofing.
Two different cants are illustrated.
The detail shows a typical open valley flashing for a shingle or slate roof.
Whether for slate shingle or metal roofing valley flashing adds detail and helps to direct water.
This autocad detail can be used in your roof design cad drawings.
Closed valley installation in detail valley flashings may be rectangular diamond or v shaped.
2 cut slate and a half carefully ensuring that adequate width is maintained at the tail.
Simply for its longevity and not to mention when installed properly its beautiful.