Metal roof battens may also be used with steel or timber support framing.
Rotten roof battens.
For example elevated battens are standard wood battens that have a block of plastic in some cases wood attached to the underside to elevate.
But as a guide if the condition of the rest of the roof is okay i e.
Types of roof batten systems.
Here is an example of improper installation with wood battens installed d.
Knotty rotten or split battens have little or no strength and should be cut out and replaced.
Where the battens are cut out or modified the resulting repair needs to maintain or improve the integrity of the roof.
Otherwise there is a tendency for the felt to sag behind the fascia allowing water to collect which will eventually rot the felt and cause dampness to the soffit or wall below.
While roof battens are most commonly made of metal or wood they can be made of other materials like plastic or composite there are several different types of batten some combine two materials to get the needed affect.
Stramit roof and ceiling battens are not recommended for use in enclosed areas within 450mm of moist soil.
In exposed conditions unwashed areas subject to salt laden air or other corrosive matter may need additional protection.
Concrete or clay tile roofing is a skill that very few roofing companies know well.
Stramit roof and ceiling battens will give excellent durability in most applications.
Metal roof battens offer extraordinary strength to weight values and are lighter than timber battens.
Metal roof battens will not warp or rot nor are they subject to insect attack.
Metal roof battens may be used with steel or tile cladding.