Internal Valley Gutter Detail
Gutters should be formed from the same material as the roofing.
Internal valley gutter detail. All joints should be lapped and sealed. Form saw or score 1 as the curb and gutter just ahead of the taper. Internal or within roof area gutters also known as box gutters can cause significant inconvenience damage and repair cost if water from the gutter gets into the building structure below. Download ab 07 box gutter parapet downturn.
Download ab 10 eaves verge. 2014 class b maximum 868mm boundary sole 700mm valley sole dimension. E2 as1 figure 52 requires internal gutter dimensions to be at least 300 mm wide and 70 mm deep see figures 1 and 2. The valley gutter problem areas can be made worse where there are surrounding trees and associated leaves and branches that can block the valley gutters up.
Download ab 13 flashing into concrete walls chase. Valley gutters are generally considered to be a problem area. This is a typical detail of a gutter hung by straps. The straps should extend a minimum of 6 onto the roof.
Ensure the 20 mm freeboard depth in figure 1 is maintained. Iko armourplan 0 6mm and1 2mm and sika trocal 0 8 and 1 2 mm application. Boundary valley and valley hip lengths. Download ab 09 scupper outlet.
Download ab 12 roof penetration. Download this free 2d cad block of a typical slate valley gutter lead detail including annotations and dimensions. 0 67w m 2 k 30mm thick to 0 21w m 2 k 100mm thick membrane. Lpcb certified to lps 1181 grade ext b non fragility performance.
Install an 18 tie bar across the joint. In height to 0. Install a 1 2 premolded full depth isolation joint the same shape abut existing curb and gutter taper the last two 2 feet of the curb from 6 8. Internal gutter construction gutter construction varied from a simple shallow trough or v like a valley detail to a tapered valley laid over firred framing to give a fall figures 5 and 6.
Straps are riveted or bolted to the outer edge at the gutter bead and attached to the roof with two brass screws. Metals must be separated from any timber treated with a copper based treatment solution. Valley gutter defined a valley gutter is where two main roofs meet or where there is a change in roof direction. Often the outlet to the valley gutter discharged over a small portion of roof before being contained by the eaves gutter figure 7.
This autocad detail can be used in your roof design cad drawings. Autocad 2000 dwg format for a full range of ssq natural slate tiles plea. Available in lengths up to 8m fire rating. If a larger cross sectional area is required to comply with e1 as1 the depth or width of the gutter must be increased.