Painted terne steel with a lead and tin coating.
How to roof a valley with tin.
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.
How to seal metal roof valley.
The reason why the roof valley is such a sensitive area has to do with all the rainwater and or melting snow that accumulates and flows through the valley on its way into the gutters.
In a previous video we covered how to flash roof edges before shingling.
Be sure to check local building codes to ensure you have the proper width for your application.
Different codes may require different materials but iko recommends as a minimum a 28 gauge galvanized metal.
In this video we ll flash the valley.
W valley flashing protects the critical area of your roof where two slopes come together to form a valley.
Valley flashings are custom fabricated to any measurements and angles and usually measure 10 in length but can also be bent in 12 lengths.
When properly installed w valley flashing will reliably channel run off water down the roof and into the gutter.
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First clean the debris out of the valley including sawdust nails and whatever else is in there.
Roof leaks are also very common in the winter when all the snow accumulating on a roof creates a potential for a roof leak to develop especially if a roof valley on your property is not properly flashed.
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.
Water collects in a valley to flow off the roof.
Use fasteners to attach the panel to the structure making sure that there is complete compression of the sealant.
Many roofers cut the shingles across because they say it s safer.
Roof one side of the valley running the shingles across it.
Riverside provides roof valley flashing for general contractors roofers and do it yourself home owners.
Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters.
Low slope roofs slope less than 3 12 use tape sealant between the valley trim and the panel.
We can also match any profile.
Shingle the other side of the valley the same way.
Lay one and two tab shingles as you near the valley so full size shingles will run across the valley.
Special pricing available for large quantities.
In this video i show you how i do the valleys on a shingle roof.
A roof valley is formed where two roof slopes meet.
