Metal Roof Fastening Pattern

Metal roofing is also available in the form of shingles.

Metal roof fastening pattern.

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. The panels are commonly used horizontally in the architectural community and vertically in the commercial and agricultural industries. The fasteners are located in different locations for roofing and metal siding conditions. Metal roof sheet wall cladding base flashing 2 overhang side elevation without overhang on eaves butyl tape.

Mbci offers 11 different exposed fastener metal roofing panel profiles most of which can also be used in wall applications. Screw patterns roof walls. Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails. Make sure to screw through the closures.

Then if that wasn t confusing enough metal roofing manufacturers have differing opinions on the correct corrugated screw placement for a roofing condition. From one place to the next from one contractor to the next and even from one manufacturer to the next. When installing the metal panels shown in this booklet over a curved arch the minimum. 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.

Attach the bottom edge of the upper roof with panel fasteners similar to the eave installation. Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps. The screw placement for corrugated can be a little tricky. Rob haddock a metal roof consultant and director of the metal roof advisory group responds.