Valley Gutter Flashing Detail

On 2019 09 02 by david debord why doesn t the drip edge extend in to the gutter or in lieu of that.

Valley gutter flashing detail. Flashing and proper turn up of the cladding underneath. At the end of the vertical sidewall the step flashing shall be turned out in a manner that directs water away from the wall and onto the roof and or gutter. Dealing with dips and making clean overlaps metal drip edge flashing is installed on the perimeter of a roof to direct water away from the fascia into the gutters and to keep wind blown rain. It can at the gutter s high end if drip edge is installed spaced out from the fascia as we illustrate here and if gutter is properly secured to the fascia roof runoff water will drip into the gutter without more flashing.

Install an 18 tie bar across the joint. Gutters and upstands valley gutters should be fully supported and fixed at the upper end only to allow for thermal expan sion and contraction. Flashing against a vertical sidewall shall be by the step flashing method. Brg provides a variety of other products such as.

The flashing shall be a minimum of 4 inches 102 mm high and 4 inches 102 mm wide. Make sure to cover the gap at the bottom of the raised ridge to keep bugs and ice out. Cut the bottom edge and fold it down over the drip edge. 3 10 gutter apron 15 3 11 types of penetration flashing design 16.

The installer fabricates simple clips or valley flashing cleats whose bent edge interlocks with the folded over or hemmed edges of the metal roof valley flashing to secure the valley to the roof deck. 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. In height to 0. We also carry seamless rain gutter products that are available in copper steel.

W type valley flashing is more rigid for handling so it stays straight and it stops waler rushing down one side of a roof from rushing back up the other side. Brg has over 25 years of experience and offers you over 40 different seamless rain gutter downspout colors. Where a valley gutter discharges into an eaves spouting that has a total catchment area greater than 50 m a downpipe must be installed within 2 m of the valley see figure 4. Form saw or score 1 as the curb and gutter just ahead of the taper.

Using clips permits movement in the valley as temperatures change. 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.