Open Valley Roofing

When it comes time to replace your roofing system you may be overwhelmed by the different details that make up a roof.

Open valley roofing.

Shingle the other side of the valley the same way. First clean the debris out of the valley including sawdust nails and whatever else is in there. Snap a chalkline 2 to 3 inches past the valley center on the top layer of shingles. Valley flashing options for an open valley installation.

Open valley vs closed valley. In a previous video we covered how to flash roof edges before shingling. In comparison to a closed valley an open valley adds another layer of lining into the valley. In this video we ll flash the valley.

If you are installing an open valley you will need to select a flashing material. The open woven and closed cut methods are demonstrated. Stop nailing 6 inches from the center. Roof valleys are like gutters with a steep pitch but the stakes are higher for valleys than they are for gutters.

In our opinion df while roll roofing or peel and stick ice and water shield membrane work well as roof valley underlayment using roll roofing as the final surface in an open roof valley is not as durable as the metal lined valley options or closed cut or woven valleys discussed below. Lay one and two tab shingles as you near the valley so full size shingles will run across the valley. Titan s roofing march 12 2018. This valley flashing material can be manufactured from any metal that will resist the effects of weather.

Looking at your roof and the roofs of your neighbors small details can really make a difference in how your roof function. The metal is usually pre painted to best complement the shingles color blend. If homeowners are looking to have their roof last for many years an open valley is iko s recommended choice and a good up sell opportunity for the roofing professional. The open valley looks like each plane of the roof was cut in separate and the eye is drawn to the separation.

Roofing shingles are installed then cut and sealed where they overlap the metal channel. For an open valley a sheet of metal usually steel sometimes copper is fastened to the roof deck. This video demonstrates the proper installation technique for installing roofing valleys. Generally flashing is a metal.

Roof one side of the valley running the shingles across it.