If the gaps lined up water could get directly onto the roof sheathing and then seep in through a nail hole.
How to install metal roofing on steep roof.
For exposed fasteners avoid over tightening the fastener.
Working on any roof is dangerous and slick metal roofs with a steep pitch are particularly perilous.
Install shingles from the lower left corner working to the right and also working up the roof slope.
Space the screws about 12 in 30 cm apart.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
How to apply roofing to a steep roof.
Most metal shingles will be attached to the roof using metal shingle.
You are essentially sealing off the metal roof with this flashing and you need to make sure that is securely fastened.
Tips for working on steep metal roofs.
Work up from the initial row starting at the lower corner in a diagonal pattern staggering the shingles to prevent gaps.
Use your neoprene washer head screws to secure the metal to the sheathing.
Arrange the shingles so the ends and the tab notches do not lie directly above gaps in the shingle below.
You can use 1 inch nails for the installation of eave flashing.
Next you are ready to install the metal roof.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
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