Treated Carcassing Timber for Rhiwbina, delivered to site

Choosing from our carcassing timber range

• Treated timberPressure treated for protection against rot and insect attack.
• C16 graded carcassingThe everyday structural grade for joists, rafters and studs.
• C24 graded carcassingStronger grade for longer spans or smaller sections.
• Fencing and sleeper timberTreated posts, rails and sleepers on request.

Delivering carcassing timber in Rhiwbina

Timber is delivered in packs or bundles on a flatbed; long lengths need clear access along the drop point. Rhiwbina is inside our standard mainland delivery area.

• Clear a level area for pallets, ideally on boards, so materials stay out of standing water.
• Have someone on site for the delivery if you can, or agree a safe drop point with us in advance.
• If the site is up a shared drive or behind other houses, tell us the distance from the road.

Sizing your order

A floor 6 m wide with joists spanning 3.3 m at 400 mm centres needs 16 joists, plus trimmers and noggins. The section and grade, such as 47 × 200 mm C24, come from span tables or your engineer; send us the timber schedule and we will price it.

Choosing carcassing timber

C16 or C24?

C24 is stronger and stiffer, so it can span further or use a smaller section. Span tables and your structural drawings decide which grade and size you need.

Which treatment?

Treatment is specified by use class. Timber inside a building is usually use class 1 or 2; external timber out of ground contact is use class 3; timber in ground contact needs use class 4.

Wales has its own Approved Documents, including its own Part L for energy efficiency, and building control is handled by the local authority or a registered approver.

Ordering carcassing timber for Rhiwbina: FAQs

Can I add other materials to my Rhiwbina delivery?

Yes. Put everything on one list, from carcassing timber to fixings and PPE, and we will price it as one delivery where the products can travel together.

Can you cut timber to length?

Ask when you request a price; we will tell you what cutting is possible for your order.

Do you deliver carcassing timber to Rhiwbina?

Yes. We deliver across Rhiwbina, including CF14. Rhiwbina is inside our standard mainland delivery area. Send your list or call 0800 088 6341 and we will price it delivered to your postcode.

What sizes of joist do I need?

That depends on the span, spacing, loading and grade. Use span tables or your engineer's design; building control will check.