Unseasoned Hardwood Span Tables

Seasoned hardwood f17 table 6 floor joists continued 140 joist spacing mm 450 600 maximum joist span and cantilever mm span cantilever span cantilever continuous spans continued 85 x 40 1900 400 1700 375 90 x 35 1900 400 1700 375 90 x 45 2100 450 1900 400 120 x 35 2600 550 2400 500 120 x 45 2900 600 2600 550 joist size depth x.

Unseasoned hardwood span tables. The format of some tables within this document have been customized where appropriate to reflect common practices. Unseasoned hardwood f14 unseasoned hardwood f17. The sizes for bearers and joists do not allow for roof loads i e. This is set by the roof use you selected in the previous screen and cannot be modified.

Included are span tables for. Unseasoned hardwood f8. Loads are calculated in accordance with table 3 1 of as nzs 1170 1 2002. Whether it s lintel sizes or rafter span lengths it s in there.

Seasoning refers to the process of removing moisture from timber or drying timber. As the name suggests it s a compact book good for the glovebox so it s on site when you need it. Unseasoned softwood f7. Tables 2 3 and 4 list sizes for posts bearers and joists for common member spacings and commonly used timber stress grades.

Wilson timbers is famous for stocking a large range of australian hardwoods for structural decking and flooring use such as ironbark spotted gum cypress blackbutt and many more. Span tables are included for. The span tables prepared for thora wholesale timbers p l for dressed hardwood stress grades f14 and f17 have. Unseasoned hardwood for many common applications in domestic construction.

Table a24 lintels supporting single storey or upper storey loadbearing walls unseasoned timber seasoned timber roof type rafter or truss span mm opening width mm f5 f7 f8 f11 f14 f5 mgp10 mgp12 f17 f27 900 100 38 100 38 75 50 75 38 75 38 90 35 90 35 90 35 90 35 90 35 1200 100 50 100 50 100 38 75 75 75 75 120 35 90 45 90. Seasoning hardwood timber enhances the basic properties of the timber increasing the stiffness bending strength and compression strength. The imposed uniformly distributed live load in the main span. This document provides span tables for dressed unseasoned hardwood which may be used to supplement the design information provided in as 1684 residential timber framed construction part 2.

Solid seasoned hardwood timber tends to have a superior dimensional stability to unseasoned hardwood timber and is much less prone to warping and splitting. The following tolerances apply unseasoned cypress 2 mm 4 mm seasoned pine 2 mm 0 mm unseasoned hardwood 3 mm 3 mm.