Our roofing batten range stocks BS5534 graded, Tanalised Type A battens in the two standard UK sizes: 19x38mm for lighter tile loads and 25x50mm for heavier tile types or wider rafter spacing. Both sizes are pressure treated green for Use Class 2 and are suitable for fixing roof tiles and slates to cut and trussed roof structures. Order online for fast delivery across the UK.
Roofing batten from Nottage Timber Merchants is BS5534 graded and Tanalised Type A treated, available in 19x38mm and 25x50mm. Stocked in standard lengths for pitched roof construction, with fast delivery to site across the UK.
Roofing Batten — BS5534 Graded and Tanalised Type A
What Is Roofing Batten and What Does It Do?
Roofing batten is the horizontal timber section fixed across rafters or roof trusses to provide a fixing point for roof tiles, slates or other roof coverings. Battens are nailed or screwed across the rafters at regular centres, with the spacing determined by the gauge of the tile or slate being used. They carry the full weight of the roof covering and must be strong enough to span between rafters without deflecting. All roofing batten supplied by Nottage Timber Merchants is BS5534 graded, meaning it meets the strength and moisture content requirements of the British Standard for slating and tiling.
19x38mm and 25x50mm — Choosing the Right Batten Size
The two standard roofing batten sizes in the UK are 19x38mm and 25x50mm. The 19x38mm size is suited to lighter roof coverings such as plain tiles and some slate types, where rafter spacing is at standard centres. The 25x50mm batten is required for heavier tile types, longer spans between rafters, or where the tile manufacturer specifies a deeper batten. If you are unsure which size your project requires, refer to the tile manufacturer's fixing specification or the BS5534 batten selection guidance, which sets out the correct size based on rafter spacing and tile weight.
Tanalised Type A Treatment — Why It Matters for Roof Battens
All of our roofing battens are Tanalised Type A, which means they are pressure treated with preservative to Use Class 2 standard. This level of treatment protects the timber against fungal decay and insect attack in situations where the wood may be exposed to moisture but is not in ground contact. The green colour of the treatment makes Tanalised Type A battens easy to identify on site. Treated roof batten has a significantly longer service life than untreated timber and is a requirement under current UK building regulations for roof construction. Order online for fast delivery across the UK.
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