When framing the roof the spacing for roof trusses should not exceed 24 inches 61 cm and purlins should not exceed 36 inches 91 cm apart.
How to install galvanized roofing.
Before you start to install corrugated metal roofing you need to figure out how much you need.
Most metal shingles will be attached to the roof using metal shingle.
Installing the galvanized roof panels.
The g s sheets shall be laid with a minimum lap of 15 cm at the ends and two ridges or corrugations at each side.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Install a corrugated roofing wall connector panel to a wall with roofing sealant when installing panels for a patio cover.
How to install galvanized roof panels preparing for metal roof installation.
Prepare the roof with strip sheathing 1 by 4 inch boards nailed horizontally.
Fit the first sheet.
Drive screws with a screw gun on ridges over every wall stud.
Measure the length of the.
Install the first galvanized roof panel at one bottom corner.
Drive screws carefully so washers are flush with the panel top.
The normal pitch adopted shall usually be one vertical to 3 horizontal.
Space screws 12 to 18 inches apart vertically.
The g s roof shall not be pitched at a flatter slope than one vertical to 5 horizontal.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
Don t overdrive and create dimples or underdrive and leave gaps under the washers.
How to install corrugated metal roofing.
Installation procedure of galvanised sheet roofing 1.
Install panels with 1 1 2 inch wood screws with special plastic washers under the heads.