The three methods to shingle a roof valley.
Roof valley design.
The valley area of a roof the straight lines formed when two different planes of the roof meet is a critical area that handles a tremendous amount of water run off.
We may not know how to spell but roofing we know best.
The materials they use in valleys are inferior.
You can see in our roof valley photo left that there has been a history of.
When deciding how to shingle a roof valley you will need to consider your materials the climate and the desired look of the roof.
Overlap metal roof valley sections by 12 inches and seal the lap with a flexible sealant such as polyurethane or butyl on roofs shallower than 5 12.
Where two roof valleys meet for example above a gable dormer a soldered joint is likely to break from the movement.
Also different architectural styles will use the same type of roof.
We have been in the roofing business for 25 years.
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.
Iko recommends that you install architectural shingles with the open valley method for the best roof performance.
Most roofers know how to install shingles but many have no clue how to do a valley.
Repairing a valley area on a shingle roof.
Roof installation how to shingle a valley hd by roofrepair101 more about roofing at.