Counter battens are wooden strips that are installed vertically over pitched roofs to which horizontal tiling battens are attached. They are used to allow rainwater to pass off the tiles and away from your roof.
What size is counter batten?
Counter battens installed with rigid insulation material should be a minimum of 38 by 38mm fixed through the insulation into the structure below with helical fixings.
What is the purpose of battens?
A batten is generally a strip of timber (although it can also be steel or plastic) which is used in the construction of buildings. They are typically used as spacers to raise the surface of a material, or as a secondary framework onto which a surface may be fixed.
Do I need counter battens?
Counter battens are needed when sarking or plywood boarding is installed directly onto rafters, except in situations where slates are nailed directly into timber sarking. At the eaves, insulation can be pushed up to the underside of the Permo® underlay.
Do I need counter battens to roof?
12 – Counter battens – If you’re using a vapour permeable (breathable) membrane with a close fitting roof covering, such as shingles, then it needs to be counter battened to allow ventilation of the batten space. The position of the first batten should be the batten gauge plus half the thickness of the batten.
Why is roof batten blue?
The reason our product is dyed blue is to distinguish it as meeting the necessary standard: it’s a colour commonly used by Nordic and Baltic suppliers. But it’s the BS5534 grading stamp, not the colour, that’s important.”
How far apart should wall battens be?
Battens must be firmly secured against every edge of the wall, including floors and ceilings. They must also be used to border any windows in the wall. Across the rest of the wall the vertical battens should be 400mm apart.
What are Sarking boards?
Sarking boards are softwood boards, generally about 150 mm wide, that are attached to the rafters of a pitched roof to give extra strength to the overall structure of a building.
How do you counter batten cladding?
Counter battens must be at least 16mm thick. Cladding support battens should be at least twice the thickness of an individual board. The top edge should be machined, prior to preservative treatment, to an angle (15°) sufficient to shed water running down the back of the cladding into the ventilation cavity.
What is tile batten?
Roof Battens, also known as roof tile battens and timber battens, are made of rough sawn treated timber and are typically used in roofing applications to add a gap between the roof tiles and the roof deck.
What is Type A batten?
These Green Treated Battens are Type A and are ideal for a wide range of construction applications. Green wood is freshly cut and will have a high moisture content compared to seasoned timber. The green treated battens are flexible and soft making them a great choice for lathe and chisel work.
Why do people batten walls?
Battening a wall for plasterboard or dry lining is a great way of providing a little warmth and fighting condensation in a cold building. However, without adequate ventilation behind the board, condensation can still form on the cold wall as warm air passes through the plasterboard.
Do you need ventilation with breathable membrane?
Installed to the outer side of the insulation, over or under the counter-battens on a pitched roof, breather membranes allow water vapour to escape from inside a building. Often without the need for ventilation.
How far apart are roof battens?
The minimum overlap is 100mm. If additional fall protection is required on steel sheet roofs, Stratco Ceiling Battens may be fixed intermittently between Stratco Roofing Battens giving a batten spacing no greater than 600mm. Roofing battens are suitable for non-cyclonic conditions up to and including W41 (N3).
Do you need to counter batten a slate roof?
cwr. Our drawings states that the whole slate covered roof should be battened and counter battened. This was the advice from an architect friend as best practice.
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