On a related note the pitch properly the slope of a hip or valley rafter will not be the same as the pitch of the adjacent roof sections.
Roofing a speed valley.
Make sure the valley metal is straight before nailing it.
Here s a valley where the roll roofing liner has.
Valleys are typically found where gable dormer roofs meet the main roof or when a house has angled wings or additions where two roof sections in different planes meet.
Today most linings are made of metal.
Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
If you re not having any problems i wouldn t worry about it.
Any one have experience with no cut valleys speed valley long island valley or california valley in the north sates such as north iowa to minnesota with steep roofs more like 14 12 the valley i refer to is this htt.
Look down the ridge of the valley metal to make sure it is straight from top to bottom and nail it off.
But in the past and in low end installations roll roofing or a similar material is used.
This recommendation includes iko s premium shingles.
Instructional video on how to install a closed roof valley as part of installing tamko building products heritage series of laminated asphalt shingles.
The valley shingle the one turned sideways almost looks like it is over the valley in one of the pics.
While the slope of the common rafters are expressed as x in 12 the slope of the hip and valley rafter on the same roof will be x in 16 97 so where two roof sections intersect to form a 90 angle a regular hip or valley and each roof.
Closed cut valley even if i work toward the valley with three tab shingles cut valleys are faster than woven valleys hands down.
The valley is protected from moisture intrusion by a lining.
The three methods to shingle a roof valley.
With a closed cut valley there s no need to shingle the two roof planes at the same time.
Courtesy of mike roberson.
With shingles bedded in cement it can be exported to other states.
Here is eric s method.
This is an open valley lined with shingles and is a defective installation.
When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.
I usually find the middle of valley then move up hill two inches and pop a line parallel to the valley and set the edge of the valley shingle on that line.
A california valley is faster than cutting all of the shingles up a valley.
