The roof pitch on the house garage is 8 12 and the porch is 3 12.
Rotten roof battens.
Roof battens create a space between the roof deck and the tile to create a.
He has also told us that with battens the roof will have dents if walked on unless they stay on the battens.
Replacing timber roof battens in stages.
Length provides spacing on the roof for water drainage.
I am currently renovating a typical late 1940 s returned service double red brick house in perth.
I have inspected the loft and several of these battens that are visible where the membranes overlap are wet through and rotten.
In exposed conditions unwashed areas subject to salt laden air or other corrosive matter may need additional protection.
Commonly what you can see of the rotted wood is only part of the problem it is what you cannot see under the surface of the wood that can be the main issue.
Types of roof batten systems.
Just had a couple of ridge tiles replaced as well as a section of membrane.
Here is an example of improper installation with wood battens installed directly on top of the tar paper.
This involves putting down vertical battens first attaching them through the roof deck to the rafters.
I have had two roofers tell me that if we use osb we must use battens one said that if we install plywood on the roof even 1 2 we can skip the battens.
The guy removed the tiles and fitted a thinner breathable membrane.
Especially close to the edge of the roof.
Rotted wood rafters in a roof are a serious issue.
Roof battens may be oriented at right angles to the trusses or rafters or installed parallel to the slope of the roof.
This is positioned underneath the wooden battens that the roof tiles rest on.
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.
Roof batten is made of wood and used to elevate roof tile off of the roof deck 4 ft.
The resulting vertically oriented chambers can then be ventilated by bringing fresh air in at the boom and exhausting it out at the top.
However they are generally a little more expensive than wooden battens.
You also have to be very precise with your fastening alignment.
And then you put down horizontal battens for the roof panel attachment.
Metal roof battens will not warp or rot nor are they subject to insect attack.
Stramit roof and ceiling battens are not recommended for use in enclosed areas within 450mm of moist soil.
Is there a technique where i am able to remove a section row of tiles and replace one or two battens.
Wood rotting from the inside out compromises the structural integrity of the rafter.
Concrete or clay tile roofing is a skill that very few roofing companies know well.