What is roof batten gauge?

The Roof Batten Gauge is ideal for spacing and setting up roof battens, saving time, effort and money. Roof Batten Gauge. Used for spacing and setting up roof battens.

What is batten gauge?

Batten gauge = (length of slate-headlap)/2.

How thick is a roof batten?

Regardless of application, all roofing battens should be no less than 25mm thick, with a maximum tolerance of +/- 3mm.

What size should roofing battens be?

Timber battens compliant with BS 5534 typically come in two basic dimensions: 25x38mm and 25x50mm, with the ±3mm tolerance. These measurements should be taken with a reference moisture level of 20%.

What size timber is used for roof battens?

Timber battens for metal roofs come in a range of sizes: 75 x 45. 90 x 35. 90 x 45.

How is batten gauge calculated?

Divide the distance between the top and bottom battens by the number of courses. This will give you the batten spacing for your roof, or its batten gauge.

How long do roof battens last?

You can expect traditional roofing felt to last for about 30 years, although this will depend on the conditions it’s exposed to. Other modern alternatives tend to be more durable, although they’re usually more expensive.

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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 thick should timber battens be?

(These dimensions are supposed to be measured when at a “reference” moisture level of 20% but in reality, the 25mm thickness is the most important one: and this will barely alter, at the range of moisture levels which are encountered in batten production and on building sites – so 25mm minimum is what to look for in a …

What size should a counter batten be?

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 spacing between roof battens?

Battens should be fixed to rafters set at centres not more than 600mm apart. They should span at least three rafters and be at least 1.2m long.

Do you need to counter batten a roof?

Roof tiles are usually laid horizontally, attached to timber tiling battens. … If the layer of breathable membrane is draped across your roof pitch in such a way that it creates gaps between each rafter,it enables water to run out beneath the tiling battens – meaning that there is no need for counter battens.

How thick should battens be?

Batten Sizes

A true batten is 2-inches in width or smaller, but you can use larger widths by installing trim in place of a batten if you want a thicker appearance. They’re installed directly over the vertical panels to get the traditional look.

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What wood is used for roof battens?

Timber – The type of timber used for a roofing batten is significant. The species of tree from which the wood has come from should be stamped on the batten. Here at Marley, we only use slow-grown imported redwood or whitewood for our JB Red Battens.

Why are roofing battens red?

JB Red is the branding given to our BS 5534 graded roofing battens, which are coloured red to help identify the batten as graded on site. It is part of the trademark that sets the JB battens apart. … This gives a straight distortion free batten that is light to handle and meets the required moisture content in BS 5534.