Before even considering it make sure the product you re installing is approved by its manufacturer for that type of application.
Installing battens for metal roof.
Add the metal panels.
Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging.
Your attic ventilation and insulation will also help with summer energy efficiency.
Battens are almost always used on modern metal roofs.
Always begin working at the point with the longest peak to eave distance.
So first and foremost it s critical to choose the right product and install it according to manufacturer s specifications.
Take care the first piece is aligned precisely perpendicular square to the edge.
According to bs 5534 the appropriate batten size will depend on the span of the rafters and the roof covering.
Take your first sheet of metal and place it on the roof so that it overhangs the edge at least 3 4 in 1 9 cm.
How you install battens can affect the drainage efficiency.
By design some metal roofs must be installed over battens some must never be installed over battens and some can be installed over battens or over solid decking.
Solar panel installation on a batten roof means that the deck and underlayment is protected from penetration.
Before installing the battens be sure to check you have the size and spacing right as these can have a direct influence on the weather tightness of the roof as well the finished appearance.
This involves putting down vertical battens first attaching them through the roof deck to the rafters.
Not all metal roofs can be installed over battens like that.
If you want to add a metal roof to your structure metal battens will be a part of the project.
Basically all metal roofs that can be installed on battens can also be installed on solid decking with underlayment.
Battens elevate the roof tile off the roof deck and this ensures that water drains off the roof.
One effective way to use battens is to cross batten.
If there are gutters installed on the eaves the eave flashing should be installed to overhang the lip of the gutter by about 1 2 inch.
Place corner pieces where panels will meet bends at the edge of the roofing.
And then you put down horizontal battens for the roof panel attachment.
For example horizontal battens run.