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Lawsons are the largest independent timber, building & fencing merchants in London and the South East of England. Established in 1921 Lawsons now have a number of branches offering the complete range of building materials.

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Treated Carcassing

Treated Carcassing

Lawsons Treated Carcassing timber has been processed to be used under structural applications such as floor joists, studwork and roofing applications. As this timber has been kiln dried (KD), a process where the timber is dried to a specific moisture content, it will be stronger and more stable. Being regularised means it is planed to a specific size rather than being planed to a smooth finish so some areas may have a slight roughness. The grading (C16) is most commonly used and is an assessment of structural strength so will have less splits and knots, especially at the edges. The following timbers have been treated against rot with copper based preservative at high pressure to comply with BS8417 UC2.

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 25 X  38  Type A Sawn Green Treated Batten (3600mm) 25 X 38 Type A Sawn Green Treated Batten (3600mm)£2.59
 25 X  38  Type A Sawn Green Treated Batten (4200mm) 25 X 38 Type A Sawn Green Treated Batten (4200mm)£3.02
 25 X  38  Type A Sawn Green Treated Batten (4800mm) 25 X 38 Type A Sawn Green Treated Batten (4800mm)£2.59
 25 X  50  Type A Sawn Green Treated Batten (3600mm) 25 X 50 Type A Sawn Green Treated Batten (3600mm)£3.16
 25 X  50  Type A Sawn Green Treated Batten (4200mm) 25 X 50 Type A Sawn Green Treated Batten (4200mm)£3.68
 47 X  50  Treated Regularised KD Carcassing Timber (2400mm) 47 X 50 Treated Regularised KD Carcassing Timber (2400mm)£2.94
 47 X  50  Treated Regularised KD Carcassing Timber (3000mm) 47 X 50 Treated Regularised KD Carcassing Timber (3000mm)£3.67
 47 X  50  Treated Regularised KD Carcassing Timber (3600mm) 47 X 50 Treated Regularised KD Carcassing Timber (3600mm)£4.40
 47 X  50  Treated Regularised KD Carcassing Timber (4200mm) 47 X 50 Treated Regularised KD Carcassing Timber (4200mm)£5.14
 47 X  50  Treated Regularised KD Carcassing Timber (4800mm) 47 X 50 Treated Regularised KD Carcassing Timber (4800mm)£5.88
 47 X  75  Treated Regularised KD Carcassing Timber (2400mm) 47 X 75 Treated Regularised KD Carcassing Timber (2400mm)£4.09
 47 X  75  Treated Regularised KD Carcassing Timber (3000mm) 47 X 75 Treated Regularised KD Carcassing Timber (3000mm)£5.11
 47 X  75  Treated Regularised KD Carcassing Timber (4200mm) 47 X 75 Treated Regularised KD Carcassing Timber (4200mm)£7.15
 47 X  75  Treated Regularised KD Carcassing Timber (4800mm) 47 X 75 Treated Regularised KD Carcassing Timber (4800mm)£8.18
 47 X  75 C16/C24 Treated Regularised KD Carcassing Timber (2400mm) 47 X 75 C16/C24 Treated Regularised KD Carcassing Timber (2400mm)£4.38
 47 X  75 C16/C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 75 C16/C24 Treated Regularised KD Carcassing Timber (3000mm)£5.47
 47 X  75 C16/C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 75 C16/C24 Treated Regularised KD Carcassing Timber (3600mm)£6.56
 47 X  75 C16/C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 75 C16/C24 Treated Regularised KD Carcassing Timber (4200mm)£7.66
 47 X  75 C16/C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 75 C16/C24 Treated Regularised KD Carcassing Timber (4800mm)£8.76
 47 X 100 C16 Treated Regularised KD Carcassing Timber (2400mm) 47 X 100 C16 Treated Regularised KD Carcassing Timber (2400mm)£5.45
 47 X 100 C16 Treated Regularised KD Carcassing Timber (3000mm) 47 X 100 C16 Treated Regularised KD Carcassing Timber (3000mm)£6.80
 47 X 100 C16 Treated Regularised KD Carcassing Timber (3600mm) 47 X 100 C16 Treated Regularised KD Carcassing Timber (3600mm)£8.16
 47 X 100 C16 Treated Regularised KD Carcassing Timber (4200mm) 47 X 100 C16 Treated Regularised KD Carcassing Timber (4200mm)£9.53
 47 X 100 C16 Treated Regularised KD Carcassing Timber (4800mm) 47 X 100 C16 Treated Regularised KD Carcassing Timber (4800mm)£10.88
 47 X 100 C24 Treated Regularised KD Carcassing Timber (2400mm) 47 X 100 C24 Treated Regularised KD Carcassing Timber (2400mm)£5.84
 47 X 100 C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 100 C24 Treated Regularised KD Carcassing Timber (3000mm)£7.31
 47 X 100 C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 100 C24 Treated Regularised KD Carcassing Timber (3600mm)£8.77
 47 X 100 C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 100 C24 Treated Regularised KD Carcassing Timber (4200mm)£10.24
 47 X 100 C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 100 C24 Treated Regularised KD Carcassing Timber (4800mm)£11.69
 47 X 125 C16 Treated Regularised KD Carcassing Timber (3000mm) 47 X 125 C16 Treated Regularised KD Carcassing Timber (3000mm)£8.50
 47 X 125 C16 Treated Regularised KD Carcassing Timber (3600mm) 47 X 125 C16 Treated Regularised KD Carcassing Timber (3600mm)£10.20
 47 X 125 C16 Treated Regularised KD Carcassing Timber (4200mm) 47 X 125 C16 Treated Regularised KD Carcassing Timber (4200mm)£11.89
 47 X 125 C16 Treated Regularised KD Carcassing Timber (4800mm) 47 X 125 C16 Treated Regularised KD Carcassing Timber (4800mm)£13.60
 47 X 125 C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 125 C24 Treated Regularised KD Carcassing Timber (3000mm)£9.14
 47 X 125 C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 125 C24 Treated Regularised KD Carcassing Timber (3600mm)£10.97
 47 X 125 C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 125 C24 Treated Regularised KD Carcassing Timber (4200mm)£12.80
 47 X 125 C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 125 C24 Treated Regularised KD Carcassing Timber (4800mm)£14.63
 47 X 150 C16 Treated Regularised KD Carcassing Timber (3000mm) 47 X 150 C16 Treated Regularised KD Carcassing Timber (3000mm)£10.19
 47 X 150 C16 Treated Regularised KD Carcassing Timber (3600mm) 47 X 150 C16 Treated Regularised KD Carcassing Timber (3600mm)£12.23
 47 X 150 C16 Treated Regularised KD Carcassing Timber (4200mm) 47 X 150 C16 Treated Regularised KD Carcassing Timber (4200mm)£14.27
 47 X 150 C16 Treated Regularised KD Carcassing Timber (4800mm) 47 X 150 C16 Treated Regularised KD Carcassing Timber (4800mm)£16.30
 47 X 150 C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 150 C24 Treated Regularised KD Carcassing Timber (3000mm)£10.94
 47 X 150 C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 150 C24 Treated Regularised KD Carcassing Timber (3600mm)£13.13
 47 X 150 C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 150 C24 Treated Regularised KD Carcassing Timber (4200mm)£15.32
 47 X 150 C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 150 C24 Treated Regularised KD Carcassing Timber (4800mm)£17.51
 47 X 175 C16 Treated Regularised KD Carcassing Timber (3000mm) 47 X 175 C16 Treated Regularised KD Carcassing Timber (3000mm)£11.88
 47 X 175 C16 Treated Regularised KD Carcassing Timber (3600mm) 47 X 175 C16 Treated Regularised KD Carcassing Timber (3600mm)£14.26
 47 X 175 C16 Treated Regularised KD Carcassing Timber (4200mm) 47 X 175 C16 Treated Regularised KD Carcassing Timber (4200mm)£16.63
 47 X 175 C16 Treated Regularised KD Carcassing Timber (4800mm) 47 X 175 C16 Treated Regularised KD Carcassing Timber (4800mm)£19.01
 47 X 175 C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 175 C24 Treated Regularised KD Carcassing Timber (3000mm)£12.78
 47 X 175 C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 175 C24 Treated Regularised KD Carcassing Timber (3600mm)£15.34
 47 X 175 C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 175 C24 Treated Regularised KD Carcassing Timber (4200mm)£17.89
 47 X 175 C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 175 C24 Treated Regularised KD Carcassing Timber (4800mm)£20.45
 47 X 200 C16 Treated Regularised KD Carcassing Timber (3600mm) 47 X 200 C16 Treated Regularised KD Carcassing Timber (3600mm)£16.28
 47 X 200 C16 Treated Regularised KD Carcassing Timber (4200mm) 47 X 200 C16 Treated Regularised KD Carcassing Timber (4200mm)£19.00
 47 X 200 C16 Treated Regularised KD Carcassing Timber (4800mm) 47 X 200 C16 Treated Regularised KD Carcassing Timber (4800mm)£21.72
 47 X 200 C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 200 C24 Treated Regularised KD Carcassing Timber (3000mm)£14.62
 47 X 200 C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 200 C24 Treated Regularised KD Carcassing Timber (3600mm)£17.54
 47 X 200 C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 200 C24 Treated Regularised KD Carcassing Timber (4200mm)£20.46
 47 X 200 C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 200 C24 Treated Regularised KD Carcassing Timber (4800mm)£23.39
 47 X 225 C16 Treated Regularised KD Carcassing Timber (3600mm) 47 X 225 C16 Treated Regularised KD Carcassing Timber (3600mm)£18.36
 47 X 225 C16 Treated Regularised KD Carcassing Timber (4200mm) 47 X 225 C16 Treated Regularised KD Carcassing Timber (4200mm)£21.42
 47 X 225 C16 Treated Regularised KD Carcassing Timber (4800mm) 47 X 225 C16 Treated Regularised KD Carcassing Timber (4800mm)£24.48
 47 X 225 C24 Treated Regularised KD Carcassing Timber (3000mm) 47 X 225 C24 Treated Regularised KD Carcassing Timber (3000mm)£16.45
 47 X 225 C24 Treated Regularised KD Carcassing Timber (3600mm) 47 X 225 C24 Treated Regularised KD Carcassing Timber (3600mm)£19.74
 47 X 225 C24 Treated Regularised KD Carcassing Timber (4200mm) 47 X 225 C24 Treated Regularised KD Carcassing Timber (4200mm)£23.03
 47 X 225 C24 Treated Regularised KD Carcassing Timber (4800mm) 47 X 225 C24 Treated Regularised KD Carcassing Timber (4800mm)£26.33
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