How To Lap Metal Roofing Panels
Masterrib is a 36 wide 5.
How to lap metal roofing panels. Follow manufacturer s instructions for the sealant application. Galvanized steel 5v crimp roof panel model 4737001000 21 56 21 56. Lay the panels on the ground the way you want them to be on the roof. Install a corrugated roofing wall connector panel to a wall with roofing sealant when installing panels for a patio cover.
Take care the first piece is aligned precisely perpendicular square to the edge. Install metal panels or shingles align the first metal roofing panel so that it overlaps the edging by 1 2 to 3 4 of an inch and is square to the roof line. Space the screws about 12 in 30 cm apart down the entire piece of metal. Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
The washer acts as a barrier to prevent water from penetrating the roof through the screw hole. Position the tape with the release backing on the top. No sales pitch or other fluff. This helps in setting up the lap of the panels.
Once sealed screw fasteners into the metal sheet panels. Because of this you should start at the lowest part of the slope and work upward. Set your store to see local availability add to cart. Install the roofing screws vertically along each rib in the panel.
Use your neoprene washer head screws to secure the metal to the sheathing. This helps to prevent water infiltration. Be sure the larger edge is laid so that the small edge of the next panel will overlap it. Sweep the metal roofing sheets of all dirt and debris with a push broom.
2 lay 6 inch wide butyl tape over all horizontally lapping end seams. The fasteners are screws that are 1 inch to 1 5 inches in length with a rubber or neoprene washer at the head of the screw. Metal sales 8 ft.