Astm e1680 standard test method for rate of air leakage through exterior metal roof panel systems.
Metal roofing installation requirements.
Proper roof installation is achieved through experience and sound construction techniques thorough inspections and compliance with code requirements standards and manufacturer recommendations.
Make the change to a metal roof.
Florida building code allows a minimum pitch of 2 12 for grand rib 3 panels as long as lap screws and sealant are applied to the laps to prevent water from siphoning over the ribs see fig.
Install the roofing screws vertically along each rib in the panel.
All these incentives coupled with the growth of metal roof applications are both a blessing and a challenge for today s installer.
The general contractor shall provide a third party metal roof consultant working for the general contractor and approved by the sssrs manufacturer to approve the metal roofing system installation drawings and inspect the installation of the metal roofing system at the following progress stages of installation.
Other steps can be taken to produce roofs that can perform better than code mandated systems.
Installation of panels roof pitch this style of metal roofing panels requires a certain degree of pitch to ensure proper water drainage.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
Ladder or scaffolding tall enough to reach the roof jigsaw or power metal shears steel panels rectangles or squares staple gun drill and full assortment of drill bits 1 inch roofing nails metal roofing screws wood roofing.
Place the first screw.
Roofing general continued when installing panels leave an overhang of at least 1 inch at the eaves to allow room for installation of drip edge.
Next use 1 inch nails to secure some metal edging to the perimeter of the roof.
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.
Then cover the entire roof with a layer of insulation and secure it with a staple gun.