Roof Step Down

Cut the flashing back to the peak along each crease.

Roof step down.

Install the next course of shingles. Place the flashing or boot onto the plumbing vent so the base is resting on shingles. This process is much easier with two people. Roof valleys channel a lot of water so they need extra protection.

The vertical flange of the flashing is to extend up behind the adjoining siding. That flashing directs the water onto the shingle and the water drains down the roof. Its measurements for the center section are 48 w x 30 l x 12 h and 12 w x 30 l x 9 h for the lean tos. Great for sheltering your farm equipment machinery belongings or even a riding arena.

Investing in this step down roof style metal barn is one of the best decisions you ll make. 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. Step flashings are to be installed one per course. To get this done just use any 2x4s convert them into long wedges and nail to the joists.

When you reach the plumbing vent allow the shingles to overlap the top of the flashing. Start by installing self stick underlayment on the decking. Momentarily lift the boot and apply sealant to hold the flashing in place. Install shingles as normal up to the base of the plumbing vent.

Because a flat roof isn t actually flat because of the slight incline that ensures an optimal water runoff you must observe this. 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.