Uk roofing and plastic supplies carefully select our partners to ensure that we only supply the highest quality timbers.
Roof timber sizes uk.
Surveyors span tables for designing roof rafters.
Imposed loads of 1 kn m for maintenance and snow load are applicable where there is no permanent access no fixed ladder or staircase and most areas where the altitude.
All the figures are based on roofing tiles or slates laid on timber laths over sarking felt.
Most independent timber merchants in the uk will offer a range of both sawn and planed timber.
Care needs to be taken in understanding the sizes stated some are stated in sawn sizes and others in finished ie planed.
Including osb plywood and chipboard for flooring roofing and other structural applications.
C16 timber is kiln dried timber certified to comply with the criteria of strength grade c16.
The following tables give details of the allowable spans and spacing for some of the more common timber sizes used in traditional roofing construction.
Order now for mega savings and fast uk delivery on timber supplies.
Suitable for uk building regulation approval.
Pitched roof timber sizes.
Structural calculations for timber joists timber beams glulam beams flitch beams using the latest design codes.
It s often chosen as the standard timber for roof extensions or joist refurbishment as it s the most cost effective internal structural timber.
Compliment our range we stock batten firrings arris rail and a range of treated timbers in various sizes and can quickly source and supply any of your timber requirements.
Imposed loads roof snow load and short term point load altitude not exceeding 100m.
For pitched roofs flat roofs and ceiling joists.
Imposed loads of 0 75 kn m for maintenance and snow load are applicable where there is no permanent access no fixed ladder or staircase and most areas where the altitude does not exceed 100 metres refer to bs 6399 3.
High quality timber supplies for virtually any construction project.
Should refer to trada document span tables for solid timber members in floors ceilings and roofs excluding trussed rafter roofs for dwellings or ask your lbc surveyor for advice.
Maximum clear span of flat roof joists in metres for sc3 timber spacing between joists size of roof joist 400mm 450mm 600mm 47 x 97 1 84 1 81 1 74.
