JAS Timber

Sawn Graded Timber

Softwood Building Timber - Rough Sawn or Regularised - Graded Carcassing Timber -
from JAS Timber - Walpole Street Sawmills - Blackburn BB1 1DB - Tel 01254 54000

This timber is high quality Home-grown or European Whitewood, some now being Regularised Easi-edge - ( semi-planed with eased corners ), Kiln-dried and Graded to SSC16 or SSC24 Certification, so suitable as joists, rafters and building timber, and is generally Grade-Stamped for inspection by your Building Inspector.

2 inch Building Timber

2 inch Building Timber

Softwood 2" / 50mm nominal - Graded 44mm Regularised or 47mm Rough Sawn Carcassing Building Timber from JAS Timber
3 inch Building Timber

3 inch Building Timber

Softwood 3" (75mm) Graded Regularised or Rough Sawn Carcassing Timber from JAS Timber
4 inch Building Timber and larger

4 inch Building Timber and larger

Softwood 4" ( 100mm ) Graded Rough Sawn or Regularised Carcassing Timber from JAS Timber
Sawn Oak Beams

Sawn Oak Beams

Sawn "Green Oak" Beams – Rough Sawn Oak Carcassing Timber from JAS Timber

Carcassing Timber is a natural product - variations in knots, colour, and grain should be expected - They are not defects. A certain amount of checking and splitting occurs, and is allowable in the Grading Specification; These timbers can be Grade-Stamped for strength, where required.

Smaller timber sizes are generally kiln-dried where larger timber sizes can be unseasoned or air-dried; Most 50mm and 75mm thicknesses of Graded Carcassing Timber are kiln-dried; 100mm and thicker sizes take a long time to kiln dry, and generally are offered unseasoned, and air dried "in the stick". Unseasoned timber can have a moisture content approaching the maximum saturation level of 27%, when air-dried "in-stick" this can fall to 20-23%, and if kiln-dried the moisture level is brought down to 18-20%. Generally in a heated building, the moisture level can be 8-10%, and it is here, where the moisture level of timber is rapidly changed, that twisting, warping and splitting can and does occur.

We keep Tilt-Fillet in stock and can cut Firring Pieces and other timber sections to size for flat-roof, and pitched-roofing work.

Sizes may be the usual timber nominal size that the Carcassing Timber Softwood is cut from, with a finished size that is generally obtained; Up to 100mm Carcassing Timber sizes can vary ±10mm for thickness / ±20mm for width, with a cross-cutting tolerance and there may be splitter saw cut-edges; This is the size immediately after machining the timber, and does not take into account any movement later, caused by moisture movement into, or out of the Construction Timber. The size, profile and other properties of Building Timber may vary from batch to batch, so it is best to purchase all you need for a job in one go, rather than buying more at a later date.

If any Graded Timber is cut or machined, then this may affect the Timber-Joist Grading, and also may cut off the Timber Grade-stamp;

Building Timber needs suitable external treatment, finishing and maintenance for exterior use. External use of Construction Timber is at your own risk - unless we have had the timber specifically vacuum-treated for you, with a guarantee certificate.

- JAS Timber cannot be held responsible for any variations in machined Building Timber sizes, pattern, construction, grading, moisture-content, treatment, certification, knots, colour, grain or finish.

- If it is important, then you need to check these or any other details before purchasing, & notify us in writing on your order.

We can supply FSC or PEFC Certification for Sawn and Scant Timber with our Chain of Custody Certificates, CoC; JAS Timber CoC Certification - for FSC it is Carcassing Timber INT-COC-003944.150 and for PEFC it is Carcassing Timber INT-PEFC­/COC-001119.150 - poa;

  • Check your Building Timber delivery on arrival, to see that all it's component dimensions, any mouldings, any glazing, and that ALL other details are correct, prior to any related work on site;
  • JAS Timber cannot be held liable for the consequences of any variation;
  • We cannot exchange any Construction Timber once work has commenced; Sawn Timber orders at variance with our stock-holding and ALL direct deliveries are supplied as a Special Order.

Poa - Extra Cutting or Machining on Sawn Timber - Machining in Yard - Machining In Workshop - Workshop Time

Don't forget our Roto Oak Roof Windows if you are undertaking a barn conversion project, or if you simply want the best roof window - a unique product from JAS Timber, Blackburn, Lancashire.

Payment - We can take Debit Card, BACS, Cash, Cheque or Credit Card payment online for Building Timber.
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Van Delivery of Timber Lengths in Blackburn, Lancashire and the North-West, from £10 +vat
- poa; ( from: £30 Manchester, £35 Lancaster, £45 Liverpool, £60 Leeds, all +vat; )

Chargeable carriage weights may be shown for Building Timber Joists in Kg - to include the minimum of packaging, our careful packing and the Tuffnells Standard Zone-A Carriage Charge; To order online - Click add to Basket, taking care if there are any options to choose in drop-down menus; To see your ongoing Order Total or to amend it, click the small Checkout Trolley icon at the Top-RHS of the page in the Green Navigation-bar.

Tuffnells Carrier Delivery of Building Timber costs from £12.40 +vat - up to 10Kg and 2.4 metres x 400x400mm, then +50p per extra Kg; For 2.4 to 3.0 metres from £15 +vat more - poa; Anything longer is not suitable unless in pallet quantities to Zone A Mainland - poa other zones; The risk of damage is roughly 5% with carrier delivery, so we urge you NOT to sign for your consignment until you have checked it; Once signed ( "unchecked" is not valid ) - any carrier will deem that you have received your order in reasonable condition - It is then your responsibility; Please do not accept your delivery if damage is apparent - Refuse it marked "Damaged" so that it is returned to us - thanks. You can choose an "Insured" Tracked Delivery for £6 +vat extra, by adding - TNT Carriage

Haulier Delivery of Timber Joists and Beams can be done for larger quantities, charged per 1.2 metre pallet space, to your post code  - poa;

Direct Delivery of Building Timber Lengths may be possible from some of our suppliers - poa;

( Please tell us the delivery post-code for your enquiry about Timber Building Products, so that we can quote for shipping. )

  • The April 2022 Scandinavian Quarterly Softwood Price Lists are current - 01/05/2022
  • The April 2022 Hardwood and Oak Quarterly Price Lists are current - 01/05/2022
  • Please phone us at JAS Timber for any further details about Sawn Timber Carcassing - 01254 54000

E.&O.E. see T&C - We try to keep prices and specifications of Sawn Timber correct, please tell us if you see any errors, thanks.