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shingle overlap when properly attached is best for valley water run-off
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Answer Depends where you live. If you are in a warm climate, a dark roof would absorb the heat. In Arizona, many of us have white roofs to reflect the heat. For loo…ks, I have liked the looks of a medium dark shingle. Drive through some neighborhoods to see what appeals to you.
a weaved valley: you run one shingle at least 6inches past the valley onto the opposite side of the valley from each side all the way up alternating them each time so they o…verlap like a weave on top of each other This does not work well in pitches are different and often look sloppy. keep in mind that the top of the shingle has to be 6 inches past the valley center. Another thing to keep in mind is to be really careful of your nail pattern, do not nail in the valley keep nails above the rain channels skip a nail if too close (6" away at least) I like a clean cut valley, to do this run the shorter rafter section first, unless you are running a flatter section like a porch then run the flatter section first. you will run all the way up on the first side lapping a min of 6 inches past the center of the valley at the top of the shingle. Keep nails away from valley center by about 6" or more, and make sure to keep nails above rain channels only, skipping if necessary. Keep in mind you do not want a seam too close to a valley. Now you run the other side running till the top of the shingle is just short of the center line of the valley. Take a chalk line and pop a line 1 inch short of the center of the valley, cut with a hook blade being careful not to score through the shingles below.also when there are two different pitches the flatter of them will require one or more added to keep center of vally
run the shorter rafter section first, unless you are running a flatter section like a porch then run the flatter section first. you will run all the way up on the first side… lapping a min of 6 inches past the center of the valley at the top of the shingle. Keep nails away from valley center by about 6" or more, and make sure to keep nails above rain channels only, skipping if necessary. Keep in mind you do not want a seam too close to a valley. Now you run the other side running till the top of the shingle is just short of the center line of the valley. Take a chalk line and pop a line 1 inch short of the center of the valley, cut with a hook blade being careful not to score through the shingles below. weaving unless requested is best leak protection knife in valley on shingles is asking for a leak
To to set up a spike, it's been used for that since 1895
There should not be a vent penetration that close to a valley.
Here's a link to a web page that answers the question: http://en.allexperts.com/q/Roofing-1598/2008/8/roll-roofing-shingles-1.htm
Valleys can provide shelter from harsh weather. Valleys also help with drainage. They can be dangerous to live in because of flash flooding.
a valley is where two sections of a roof meet to form an inside corner . example a gable (peak) porch coming out of the center of a roof in the front of your house would have …two valleys one on each side
No. You should rip the shingle roof off. Tile needs to have a smooth surface that is solid and sound. Shingles do not offer this. Depending on where you live you may want …to add ice shields in addition to felt paper under the tile. Consult your local roofing supply company. FYI, roofing is not technically hard, but it is quite physically demanding and going with tile, it's even heavier. You may be better off hiring someone for this and doing another project on your own.
This makes no sense.Learn how to spell and you might get an answer dumbo :)
Valley defined as an elongated region or strip of land that is lower than surrounding areas; most often made by the erosive action of a river or glacier. Also see U-Shaped Val…leys and V-Shaped Valleys. Various uses of valleys can be utilized: 1. Exploration for petroleum and groundwater. 2. Always valleys are rich in high quality sand that can be used for hardware and chips for computation purposes. 3. Often valleys are rich regions in minerals and commercial materials. 4. Valleys are attractive tracts for immigration because of the superficial plants for their animals. Dr. Waleed Shukry El Diasty, Mansoura - EGYPT
Would not recommend do to the weight and unevenness of the metal roofing material also the potential for leaks
Most commonly, roofing nails - a nail with an over sized head and a relatively short shank.
You need to start by running a piece of ice and water shield 36" wide up the valley against the wood, then run felt on the shorter rafter side and lap past the valley 12"-18",… now run the felt on the other side and cut in the valley with a hook blade careful not to cut through bottom layer of felt. now run a metal valley piece up the valley if using more than one piece start at the bottom. now run your shingles past the valley center all the way up now chalk a line 3 inches from the center of the valley and cut again with hook blade, careful not to score the metal. now repeat the on the other side. you should use a metal valley with a "v" bend in the metal to slow water from rushing under the shingles especially if the pitches are different.
Valley trim is usually installed onto the roof preceding the actual roofing panels. If you are using standard panels with W-Valley trim (or similiar) the Valley trim is sc…rewed directly into the lathe using "Quick-Drill" (metal-to-wood) screws.
Refer to Fastest Shingle Roofer answer
You don't. It's not a perfect science. You are just trying to get close. The goal is to have extra, not have to go purchase 1 square.