Metal Roof Fastening Pattern

Rob haddock a metal roof consultant and director of the metal roof advisory group responds.

Metal roof fastening pattern.

The standard fastening pattern is permitted over the rest of the sheet. Metal roofing is also available in the form of shingles. Screw patterns roof walls. When a metal roofing sheet must be installed on a curved roof screws should be installed at every overlapping rib at the sheet ends to resist the natural tendency of the metal to spring back.

What is the screw pattern for corrugated metal roofing. Then if that wasn t confusing enough metal roofing manufacturers have differing opinions on the correct corrugated screw placement for a roofing condition. Exposed fastening roof panels. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.

Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. The culture of fastening through the ridge crest or through the valley of the metal roof profile seems to vary in the continental u s. Make sure to screw through the closures. From one place to the next from one contractor to the next and even from one manufacturer to the next.

Mbci offers 11 different exposed fastener metal roofing panel profiles most of which can also be used in wall applications. Metal roof sheet wall cladding base flashing 2 overhang side elevation without overhang on eaves butyl tape. The screw placement for corrugated can be a little tricky. Attach the bottom edge of the upper roof with panel fasteners similar to the eave installation.