Roof Step Down

When you reach the plumbing vent allow the shingles to overlap the top of the flashing.

Roof step down.

Great for sheltering your farm equipment machinery belongings or even a riding arena. Install shingles as normal up to the base of the plumbing vent. Firmly push the flashing back down into place. That flashing directs the water onto the shingle and the water drains down the roof.

Step flashing offers far better protection from leaks because even if a single piece of step flashing fails the water just hits the next lower piece. The vertical flange of the flashing is to extend up behind the adjoining siding. Investing in this step down roof style metal barn is one of the best decisions you ll make. The roof deck flange of step flashings are to be fastened to the surface of each shingle in a position whereby the next course of shingles will cover up hide the flashing from view.

Start by installing self stick underlayment on the decking. Then fold the flashing over the peak and cover the cut ends with self stick underlayment. Roof valleys channel a lot of water so they need extra protection. Momentarily lift the boot and apply sealant to hold the flashing in place.

Cut the flashing back to the peak along each crease. Step flashings are to be installed one per course. Required tools for this project. Install the next course of shingles.

Place the flashing or boot onto the plumbing vent so the base is resting on shingles. Because a flat roof isn t actually flat because of the slight incline that ensures an optimal water runoff you must observe this.