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Sawn Timber: 01455 209121 | Machined Timber: 01606 555500
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BS5756 Grading

£10.00

Need help? Tel: 01455 814000
SKU: ZGRADE

Product Description

Should your Oak beams require a structural grading certification in accordance with British Standard BS:5756 (2007) then our graders are full trained to visually grade applicable temperature hardwoods in accordance to the current standard.

It must be noted that there are section limitations on each strength class which are strictly adhered to.

Strength Class
Species D30 D40
Oak TH1 & THB THA

TH1 & TH2 This strength class is available for temperate hardwoods, however the thickness must be less than 100mm and the cross-section must be less than 2,000m2

THA & THB – This strength class is available for temperate hardwoods with a thickness greater than 100mm and a cross-section greater than 20,000m2

***Please note – TH1 is a higher grade than TH2, likewise THA is a higher grade than THB.

Additional Information

Delivery Information

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