Four Ways to Shingle a Valley - Fine Homebuilding
For every valley variation, except the open metal valley, the first course is a weave. The shingle from the larger roof plane overlaps the shingle from the smaller plane. A handy nailing gauge. Nails always should be kept at least 6 in., or the distance between an outstretched thumb and index finger, away from the center of the valley.
Open or closed valleys? - Fine Homebuilding
2005年8月10日 · The open valley looks like each plane of the roof was cut in separate, and the eye is drawn to the separation. This roof is on a small cabin in the back of beyond, and the only valleys will be on 3 small dormers with about 6 feet of valley per side, so I'm not sure the "water will wear out the valley shingles" argument will work.
Shingle roof valley types - Fine Homebuilding
2007年4月16日 · A W valley makes for a neat closed valley no matter what kind of materials you are roofing with. A wider one can make a good open valley too. The only time I think that an open valley is really necessary is when there is a lot of pine needle type trash that settles on a roof.
Open Metal Valley vs Long Island - Fine Homebuilding
2005年9月4日 · Whether open or closed metal valley, you can do it either way with metal. under trees that shed debris, i would rather see it open, but in an open area, I think a nice tight cut to the center W is a nice clean look. The metal used is important also. A forty or fifty year shingle should not have a 20 yr metal.
Preparing the Valley of a Roof for Shingling - Fine Homebuilding
There may be several ways to shingle a roof, but when preparing, all the valleys start the same. A most effective material to start with is waterproof shingle underlayment (WSU). These peel-and-stick membranes seal around nails and are easy to work with.
best way to shingle a valley - Fine Homebuilding
2005年4月25日 · Amen ADM, i believe this is the most water proof way shingle a valley, the only time i do it the way we are talking now is if there is a significant difference in the pitches. i went to fla to shingles my in laws roof and i noticed all, with the exception of maybe 2 roofs all had cut valleys. i also put down 2' metal under being careful not …
Roof valleys, metal or weave? - Fine Homebuilding
2013年5月4日 · Still a woven valley is my last choice. My personal preference is an open valley. Membrane over the roof sheathing, then the metal "W" valley over the membrane, and the shingles cut on each side. Second would be a cut valley. Membrane over the sheathing, then the smaller roof shingles run through the valley and onto the main roof.
Framing a Roof Valley - Fine Homebuilding
This roof valley is a perfect example. To understand the concept and how all the pieces are laid out and cut, I picture the roof two dimensionally, in plan view. Then I use a construction calculator to find the correct length of each rafter. To get started, I need to know only two things. The first is the pitch of the roof.
Closed Valley but No Metal Flashing - Fine Homebuilding
2008年10月15日 · Im saying you need metal on a roof. Step flashing, wall flashing, front aprons, backpans, counterflashing, and of course metal in an open valley is far superior to a closed valley IMHO. Can't remember ever doing a roof without metal.
Aluminum in the valley - Fine Homebuilding
2000年1月15日 · On a new roof, I use a closed valley with ice & water shield, 90# valley material, the lower roof side shingles lapped over the valley, and the other side roof shingles cut straight up the valley. If a customer wanted an open valley for some reason, I would make the first piece of material used a strip of aluminum 12" wide and 10' long with a ...