Directions for How to Shingle a Valley
- Snap chalk lines parallel with the valley 9 inches from its center on both sides.
- Bring enough 18-inch aluminum flashing up to the roof to cover the length of the valley.
- Line the flashing up with both chalk lines and press it into place down the seam of the valley.
- Use a rubber roller to press the flashing flush with the valley.
What is the best way to Shingle a roof?
When shingling a roof with three tab shingles, it’s easiest to shingle the roof planes first, working toward the valley. Laminated shingles let you start in the valley and work outward, which can be an advantage in some situations. Regardless of the shingling method, every successful valley installation begins with proper roof preparation.
Can you use cut shingles on a valley roof?
It is essential to only use whole (not cut) shingles during this step. As you install roof shingles on the second roof plane, you allow them to lap over the valley on top of the first shingles. The shingles on the second layer are then cut, ideally creating a clean line down the center of the valley.
How do you install a closed cut valley roof?
In summary, during the installation of a closed-cut valley, you install the first roof plane’s shingles into the valley. It is essential to only use whole (not cut) shingles during this step. As you install roof shingles on the second roof plane, you allow them to lap over the valley on top of the first shingles.
How do you install woven Valley shingles?
So, if you are installing a woven valley, you must push the shingles snugly into the valley, while not nailing within six inches of the valley center. If this is not done properly, hollow space may develop under the shingles.
Can you weave architectural shingles in a valley?
Woven valleys are suitable for three-tab shingles as their single-layer construction allows them to be woven together and overlapped more easily. When considering how to shingle a valley with architectural shingles, you must take into account their thickness and reduced flexibility.
What is the best way to roof a valley?
2:226:25How To Shingle A Valley On A Roof - YouTubeYouTubeStart of suggested clipEnd of suggested clipKeep the shingles away y'all's push your shingle down at the top and the bottom you can see forMoreKeep the shingles away y'all's push your shingle down at the top and the bottom you can see for pushing it down at the top bottom only it's cuffing it's up it's you're pushing down both banks nails in
How do you lay 3 tab shingles in valleys?
0:437:06How to weave valley 3 tab shingles - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd I just overlapped. Just like that they just overlap that shingle and let it run like that andMoreAnd I just overlapped. Just like that they just overlap that shingle and let it run like that and that's still still upside down well yeah they overlapped like that instead of running the full single
How do you install shingles on a valley flashing?
1:0712:26Asphalt Shingle Roofing Part 5: Valley Flashing - YouTubeYouTubeStart of suggested clipEnd of suggested clipAnd run that right down on the middle of our valley here I wait we have about 18 inches on this setMoreAnd run that right down on the middle of our valley here I wait we have about 18 inches on this set and 18 inches on this side doesn't have to be completely perfect but the biggest thing is you just
What is the best material for a roof valley?
An open metal valley avoids the problem of meshing together shingles from two roof planes. Instead, professional roofers install a metal flashing material, ideally galvanized or painted steel, along the valley.
Which side of the valley do you shingle first?
California-Cut Valley A valley shingle is then installed parallel to the centerline and offset a couple of inches. Shingle courses are installed starting at the bottom.
How do you fix shingles in a valley?
How To Repair a Leaky RoofStep 1: Inspect valley for holes all along joint. ... Step 2: Clean surface of valley with wire brush.Step 3: Cut sheet metal patch about 2 inches bigger all around than hole.Step 4: Spread thick coating of roof cement on damaged area and press patch into place, bending it to shape of valley.
How Much Should 3 tab shingles overlap?
When you reach a peak or hip, shingle all the way up the first side (until the reveal portion of the shingles is within 4 inches of the peak) and cut the 3-tab shingles just below the ridge. Shingle the other side and allow these pieces to overlap the ridge by no more than 4 inches.
How do you start the first row of three tab shingles?
0:244:56How to : Roofing - Where to start laying (three) 3 tab shingles / starter ...YouTubeStart of suggested clipEnd of suggested clipSo we've cut a half tab off boat. So we want it flipped upside down lined up on a thirty inch mark.MoreSo we've cut a half tab off boat. So we want it flipped upside down lined up on a thirty inch mark. And on our first 10 inch mark here okay let's go ahead and pop a couple nails.
Which is better open valley or closed valley?
As mentioned above, the closed roof valley is often considered the most aesthetically pleasing. Many homeowners prefer the seamless look of the closed roof valley over the metal-lined open valley, and many homeowners also like the lower cost that comes with the closed roof valley application.
How do you overlap valley flashing?
0:171:38How To Overlap + Fasten Valley Flashing. Corrugated Metal Roofing ...YouTubeStart of suggested clipEnd of suggested clipCut off the sharp corners by removing one inch tabs on each side Valley should be overlapped aMoreCut off the sharp corners by removing one inch tabs on each side Valley should be overlapped a minimum of 12 inches. When overlapping Valley apply silicone one inch from the bottom of the overlap.
How do you install roofing felt in a valley?
0:051:16Install Self-Adhering Underlyment in a Roof Valley - YouTubeYouTubeStart of suggested clipEnd of suggested clipHere's how to install. It. Cut underlayment with a utility knife to manageable size lengthsMoreHere's how to install. It. Cut underlayment with a utility knife to manageable size lengths especially when working alone on the adhesive. Side locate the pull cord embedded along the center.
How do you roof an open valley?
0:311:37Open Valley Roof Flashing - YouTubeYouTubeStart of suggested clipEnd of suggested clipFold the top of the flashing over the ridge and nailed it off every 10 inches or so along the outerMoreFold the top of the flashing over the ridge and nailed it off every 10 inches or so along the outer edge of the flashing. Now this valley will carry water off the roof.
How do you waterproof a valley?
Valleys should be carefully sealed along the entire length. To help prevent water entry at these vulnerable points, install a self-sealing bituminous membrane or the equivalent along all valleys and properly integrate this membrane into the adjoining roofing materials.
How do you roof a closed cut valley?
0:124:56How to ... Roofing: Closed Cut Valley explained - YouTubeYouTubeStart of suggested clipEnd of suggested clipYou want to run your shingles first on the side that sheds the least amount of water that being onMoreYou want to run your shingles first on the side that sheds the least amount of water that being on this checkered roof this roof right here that I have my foot on. So we laid the shingles.
How do you install roofing underlayment in valleys?
0:051:16Install Self-Adhering Underlyment in a Roof Valley - YouTubeYouTubeStart of suggested clipEnd of suggested clipHere's how to install. It. Cut underlayment with a utility knife to manageable size lengthsMoreHere's how to install. It. Cut underlayment with a utility knife to manageable size lengths especially when working alone on the adhesive. Side locate the pull cord embedded along the center.
What should a valley look like after shingles are laid?from iko.com
After you have laid all of the shingles in the valley, it should look uniform, like the roof below.
Where do shingles meet in a closed cut valley?from iko.com
From the ground, it looks as though the shingles meet in a clean line in the center of the valley. One layer of shingles actually crosses the valley beneath the other. In summary, during the installation of a closed-cut valley, you install the first roof plane’s shingles into the valley .
Why do shingles curl?from wikihow.com
Racking shingles sometimes also may create a condition called "pattern curling," where the shingles curl and blow in the wind, at the places where the racked columns join, because of lifting the end of a shingle to place the next shingle and lifting the end high enough to nail the next shingle underneath each of the overlapping shingles. This curling may lead to water getting under shingles, leaking at the places where racked columns meet.
How to do a woven valley?from iko.com
To achieve a woven valley installation, a roofing professional lays shingles in the valley and weaves them together. Some homeowners prefer the consistent look that a woven valley provides. But, if the shingles are not laid in the valley properly, a woven valley may not lay flat, creating bumps and detracting from the overall look of the roof.
What happens if a nail hits a wood deck?from wikihow.com
If a nail hits a crack or hole in wood deck, it can and will work up over time, through the shingle above, and then appear sticking up through a 1/4 inch (approx 6.5mm) hole, in the roofing causing a leak.
Why do roof valleys open?from iko.com
Tessaro also says that the open method allows for faster replacement and repair than the other techniques of shingling a roof valley. As another benefit to the roofing professional, open valleys are sometimes used to easily bridge the gap between roof faces of vastly different pitches.
Why do I overlap the drip edge at the valley?from finehomebuilding.com
I overlap the inside corner of the drip edge at the valley to minimize sharp edges that could cut into the WSU over time. Because I build in snow country and along the coast, I include extra protection along the eaves. After rolling out full 3-ft. widths of WSU over the drip edge and up the roof sheathing, I again overlap the WSU at the valley.
