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How to install pro rib steel roofing.
Using screws fasten roof at top and bottom of the sheet in the flat next to each rib.
The roof panels are installed similar to the wall panels in layout.
Lay down the first roof steel panel squaring it with the mason line.
3 5 rib installation guidelines caution.
Measure one panel width in from the roof edge.
Make sure you install the furring strips horizontally and not vertically.
Another option is to install a or 7 8 lap stitch screw in the crown of the rib to secure the side lap.
To guard against wind damage at the eaves and for a neatly finished appearance gable trim is recommended.
This guide must by read in its entirety before beginning installation.
5 rib roofing panels must be applied on a minimum roof pitch of 2 12 or greater.
Butyl tape as shown below is recommended along panel side laps.
Then nail them to the surface you re working on leaving 16 inches 41 cm between each strip.
Cut the first rib off leaving of rib on the first roof sheet of roof steel.
To install the furring strips start by cutting them to size so they run from one end of the surface to the other.
Install screws every 6 10 inches.
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.
Place the first screw.
At this point chalk a line from ridge to eave.
Be sure the larger edge is laid so that the small edge of the next panel will overlap it.
This guide is supplied by fabral inc.
All intermediate fasteners can be.
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For use by its customers and is intended to be a guide only.
Place the leading edge of the first panel along this line.