If water goes through it well it s not much use to you anymore.
Roof insulation battens.
Your attic ventilation and insulation will also help with summer energy efficiency.
In most cases the attic is ventilated and the infiltration barrier is the drywall ceiling.
There are a lot of things that a batten roof system can do that a direct deck roof cannot.
Decra tile and decra shake battens installation guides comprehensive guide that demonstrates the proper installation techniques for decra tile and decra shake roofs battens.
The airtwist fastener is a one piece fixing with a 7mm diameter two start helix.
And then you put down horizontal battens for the roof panel attachment.
In this case the insulation must lie directly on top of the ceiling.
Alternatively sufficient rigid board or sheet insulation shall be installed directly above the structural roof sheathing to maintain the monthly average temperature of the underside of the structural roof sheathing above 45 f 7 c.
Typical recommendations for exterior walls are r 13 to r 23 while r 30 r 38 and r 49 are common for ceilings and attic spaces.
Use battens which have been treated with preservative the simplest way is to purchase tanalised roofing battens which are usually held as standard products by most timber merchants.
This is where counter battens come in very handy.
Insulation can be added between the layers of the roof the batten and the external skin of the roof to increase energy efficiency.
As you already know in a pitched roof your insulation is placed under the roofing tiles.
See the department of energy s doe ranges for recommended levels of insulation below.
Battens elevate the roof tile off the roof deck and this ensures that water drains off the roof.
This involves putting down vertical battens first attaching them through the roof deck to the rafters.
Counter battens are wooden strips that are installed vertically over pitched roofs to which horizontal tiling battens are attached.
Fixing insulation between battens does not form a continuous and airtight insulation layer.
When hammer driven the fastener corkscrews into timber and masonry materials to deliver a mechanical fix that grips both the wood batten on one side of the insulation and.
How you install battens can affect the drainage efficiency.
Roof ceiling insulation insulation in roof ceiling constructions must be placed in direct contact with the infiltration barrier.
To locate the sheet insulation between the rafters while ensuring the air gap behind timber battens are first screwed to the sides of the rafters.
The air permeable insulation shall be installed directly under the air impermeable insulation.
