Standard Timber Roof Batten Size

Metal battens are used with metal roof panels.

Standard timber roof batten size.

Up to 450mm span. Dimensions mean nominal sizes with the moisture content of the sawn timber at 20 the most common lengths vary between 2 7 m and 5 4 m in steps of 300 mm. Minimum timber batten sizes. Tiles can be installed both double or single lap and the choice will impact batten size.

Metal fascias shall be stiffened with 150 x 50 mm nogging and 100 x 38 mm ledger as shown on detail. The high performance values of steel roof battens means they are an increasingly popular choice for reroofing or for new builds using tile roofs. In addition to criteria such as grading stamp timber species and preservative treatments it s also imperative to specify the right size roofing batten. Timber battens for tile roofs must meet the requirements of as 1684 2 as 1684 3 or as 1720 1.

Width mm thickness mm 50. Traditional wood battens are a standard size of 1 x2 x4 and are constructed of a hardwood. Concrete slates require 38x25mm batten for 450mm joist spans and 50x25mm batten for 600mm joist spans. We supply 38 x 38mm or 28 x 38mm non structural timber battens for tile roofs.

In more recent years recycled composites have been developed to replace timber battens. In all other cases the minimum size of house rafters or top chords shall be 90 x 35 mm. The use of slate as a roof covering will always be installed double lap. Joist hangers as forpergola or carport rafters may be notched up to 1 3 their depth.

Other lengths and modules must be agreed separately. For timber these include 40x30mm 60x40mm 140x35mm and 60x30mm profiles. Plastic battens have also made the scene in the last decade but are used far less often than the other types of battens. For custom projects csa can also supply the 40x30mm and 60x40mm profiles in longer lengths up to 3 6 metres long.

Thickness and width dimensions mean the nominal sizes of the timber at a moisture content of 20 the standard measurements of sawn dimensioned and all round planed timber.