The pan a separate seam or batten and a clip.
Metal battens for roofs.
You also have to be very precise with your fastening alignment.
Metal roof battens are usually 40mm high and made from 0 55mm gauge hi tensile steel.
Basically all metal roofs that can be installed on battens can also be installed on solid decking with underlayment.
Snap on panels batten for metal roofing are factory roll formed in continuous lengths.
Todd miller has spent his entire career in the metal building products manufacturing industry.
Battens are almost always used on modern metal roofs.
These are installed on the roof horizontally.
But building codes now require roof sheathing plus a layer of roofing felt or other approved.
And as with all batten systems you need to ensure you re using the right fasteners for the job.
The photo above shows battens at a tile roof installation in progress.
A batten is an approved strip of wood no less than 1 thick and 2 wide and typically 4 feet long.
As to the potential benefit of battens.
Battens are not something most people give a lot of thought to.
Metal roof battens will not warp or rot nor are they subject to insect attack.
However if you choose a metal roof that is either light in color or has reflective pigment in the paint that will be very helpful as well.
Most tiles have a lug or an anchor on the back of them to hook to the batten.
In the case of metal roofs getting the longevity out of them relies heavily on the batten placement.
Metroll roof battens are an effective alternative to timber battens or purlins.
Pan design plus corrective leveling provides superior flatness pac green.
Some types of roofs such as 5v crimp metal were once allowed to be installed directly onto purlins as shown in the photo below looking up at the metal roofing from the attic.
If you want to add a metal roof to your structure metal battens will be a part of the project.
Monarch is a batten style panel with an integral batten and seam.
Not all metal roofs can be installed over battens like that.
Available in standard 0 55mm and 0 75mm gauge for cyclonic areas.
They do create a thermal break to help minimize heat transfer from the metal to the roof deck.
That is a good thing.
Before even considering it make sure the product you re installing is approved by its manufacturer for that type of application.
And a great alternative to battens are the metal shingle shake slate and tile products which have an integral dead air space between the metal and the roof deck serving a function very similar to that of battens.