Water has a small chance of even getting up under the woven valley shingles even though it flows in either direction.
How to shingle a woven roof valley.
Valleys are a prime leak area so it s important to be careful.
As the asphalt shingles are installed over the roof deck the shingles are extended into the valley.
In addition it is important to avoid nailing the shingles through the valley metal.
Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.
A woven valley shingle installation has other drawbacks including that they are slow to install especially in cold weather and more difficult to repair than the other types.
The open woven and closed cut methods are demonstrated.
A woven valley shingle installation is one where the shingles from both sides of the roof valley extend over the valley and weave together overlapping courses alternately.
Pros of woven valley shingle installations.
Below you will find a list of the tools you ll need followed by a list of steps to take to fix a leak in a roof valley.
Here we have a laminated shingle roof that has been installed with a woven valley detail.
Whether you have a woven shingle roof a tile roof or a composite roof the basic steps required to repair the leak will be the same.
It is a method where the valley is completed by overlapping and weaving the shingle courses rather than cutting the shingles back to form a trough lined with a sheet metal flashing see figure wv 1.
But if the shingles are not laid properly in the valley a woven valley may not lay flat creating bumps and detracting from the overall look of the roof.
All of the shingle rows will need to be lined up correctly.
Gaf mastering the roof chapter 12 this video demonstrates the proper installation technique for installing roofing valleys.
A woven valley is one method of installation for asphalt shingles at a valley where two intersecting roof slopes meet see featured photo above.
Weaving a shingle valley by dunn contracting 727 410 5717 james dunn.
Woven valleys should only be used with strip shingles.
To achieve a woven valley installation a roofing professional lays shingles in the valley and weaves them together.
In order to shingle this kind of roof valley a roofing professional has to install both roof faces at the same time which is quite slow.
This is an incorrect installation of this type of roofing material and will be more prone to water intrusion and will void the manufacturer s warranty for this material.