The sheets should overlap by at least four inches add a bead of caulk where they overlap and at the other end of the building ensure there s an overhang of two inches.
How to install tin roofing sheets.
How to install a tin roof on an outbuilding.
Secure the slats with 3 inch metal to wood screws.
Use your neoprene washer head screws to secure the metal to the sheathing.
The screws that are used to attach the metal roofing are self drilling screws.
Lay the starter row of metal shingles at the drip edge and affix to the roof with metal roofing nails.
One downside is that the metal sheets have a susceptibility to denting both in installation and during hailstorms.
Make sure that the screws are all aligned evenly as you will be able to see them from the ground if they are.
Secure the sheets into place with screws.
Most metal shingles will be attached to the roof using metal shingle.
Tin sheets are an affordable alternative to adding shingles to the roof of your outbuilding and they are much faster to lay than shingles.
This means that the screw will drill its own hole through the metal roofing panel and into the metal or wood substrate.
If you asked two installers whether they pre drill metal roofing sheets prior to installation you would likely get two completely different answers.
Then nail the metal edging by using a hammer and roofing nails.
Space the screws about 12 in 30 cm apart.
Metal roofing can also be significantly more expensive than pvc.
Metal roofing resists rot is not susceptible to insect damage and is non combustible a boon in fire prone areas.
Once the first sheet is in place you need to install the remainder of the lowest row of corrugated metal roofing.
For exposed fasteners avoid over tightening the fastener.
Install slat boards to the roof so that you can easily attach the new tin.