Installing Metal Roofing Over Osb

Hammer down all raised nails.

Installing metal roofing over osb.

Tamko requires the fastening of every tile in addition to mortar or adhesive or foam. 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. April 3 2017 filed under.

How to apply metal roofing over plywood. Sweep the plywood clean of all dirt and. Remove all unused vents pipes and protrusions. Repair any rotted sections of plywood before installing the metal panels.

Inspect the plywood for damaged areas. For many applications a layer of plywood underneath your metal roofing is an unnecessary expense. Remove the old roofing. I m halfway though sheeting the roof of my shipping container shop and already need to redo some of it.

In order to avoid a hump at the transition from two layers of materials to one the notation on the building plans advises to lower the roof purlins in these areas by 7 16. Metal roofing panels rated for architectural use attached to purlins horizontal pieces of wood or metal fastened to roofing trusses are structurally sound when installed according to your roofing manufacturer s instructions and local building codes. Work at a comfortable steady pace trying not to rip up or carry off too much old roofing at once. Most metal shingles will be attached to the roof using metal shingle.

Then the top of all your purlins once osb under metal roof panels is placed will be in the same plane and the roof steel will lay flat. Watch this now to learn how to avoid this same pr.