Installing Battens For Metal Roof

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.

Installing battens for metal roof.

According to bs 5534 the appropriate batten size will depend on the span of the rafters and the roof covering. Spacing of furring strips for metal roof when installing a metal roof over an existing roof insulate the spaces between the wood strips with rigid insulation to prevent condensation before. Place corner pieces where panels will meet bends at the edge of the roofing. This involves putting down vertical battens first attaching them through the roof deck to the rafters.

Basically all metal roofs that can be installed on battens can also be installed on solid decking with underlayment. Take care the first piece is aligned precisely perpendicular square to the edge. If you want to add a metal roof to your structure metal battens will be a part of the project. Before even considering it make sure the product you re installing is approved by its manufacturer for that type of application.

We frequently are asked whether metal roof should be installed on batten s or direct to the roof deck. Not all metal roofs can be installed over battens like that. Whereas many older metal roofs or metal roofs on larger buildings have been successfully installed over battens rather than solid decking it is the clear preference for residential applications that metal roofing always be installed over solid decking to avoid dangerous and damaging condensation issues. Solar panel installation on a batten roof means that the deck and underlayment is protected from penetration.

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. Battens elevate the roof tile off the roof deck and this ensures that water drains off the roof. So first and foremost it s critical to choose the right product and install it according to manufacturer s specifications. Always begin working at the point with the longest peak to eave distance.

How you install battens can affect the drainage efficiency. Add the metal panels. Battens are almost always used on modern metal roofs. 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.

Install edging use 1 1 4 inch nails to cover the outline of the roof with strips of metal eave flashing also called edging. 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. Your attic ventilation and insulation will also help with summer energy efficiency.