Pergola and carport framing exposed to the weather including posts fixed above ground shall be either preservative treated pine durability class 1 or 2 hardwood or cypress.
Hardwood pergola span tables.
Posts embedded in the ground shall be in ground.
Use the span tables below to determine allowable lengths of joists and rafters based on size and standard design loads.
Member span is not suitable for rafter spacing greater than 600 mm.
1300 880 662 2 contents woodhouse weatherproof specifications the product 3 the pink primer system 5.
Seasoned hardwood f17 bearer span floor load width flw mm 1200 1800 2400 3000 3600 maximum span of bearer mm single span 2 85 x 30 1600 1400 1300 1200 1100 2 85 x 40 1800 1600 1400 1300 1200.
In a pergola application can a 2 x 8 x 8 joist spaced 24 on center support the load of 2 x 4 boards placed on top of the 2 x 8 spaced 12 on center.
List of available span tables click for full info verandah beams sheet tile n3 verandah beams sheet tile c2 verandah beams light sheet roof n2 verandah beams light sheet roof c2 deck bearers single.
Access more span tables hyne timber design 7 5 includes the engineering properties and span tables for hyne timber wesbeam tilling carter holt harvey and louisiana pacific products.
And it s free to download and use.
Tables are generated from uniform loaded beam formula y 5wlï 4 384ei 6.
Contained in this document refer to as 1684 single or upper storey table no as 1684.
Span tables for dressed all round dressed pencil round unseasoned hardwood f14 f17 contents span tables legend.
They also tell you what the maximum spacing should be between each section or timber.
Span tables span tables can be used to determine the size of a timber member of a particular strength class required for a given span.
You can also use the wood beam calculator from the american wood council website to determine maximum rafter and joist lengths.