Composite decking

What would be the normal and minimum spacing for joists for a 4x2.5m 28mm composite decking against the house wall

Asked by John on 28th May 2024
Expert Trade Answers
"The spacing would be 16inches to center or 12inches on center for diagonal"
Answered on 19th Jun 2024 - Member since Dec 2021 - report
"I do 400mm centers with wooden decking. Not sure composite would be any different."
Answered on 28th May 2024 - Member since Jan 2024 - report
"No different to normal decking use 400mm spacing for the joists and you will be good to go"
Answered on 28th May 2024 - Member since Jan 2022 - report
"350mm is the normal recomendation from most manufacturers."
Answered on 6th Jun 2024 - Member since Feb 2024 - report
"I would do the spaces at 350mm as the composite decking is little bit hard walking than wooden"
Answered on 28th May 2024 - Member since Feb 2024 - report
"I would recommend 3/4m spacer for each gap keeping it consistent"
Answered on 2nd Jun 2024 - Member since May 2024 - report

Joists at 400mm centres is typical.

Hope that helps.

Answered on 29th May 2024 - Member since May 2024 - report
"16 inch centers or I normally measure length and divide up so all same but 16 inch or less"
Answered on 3rd Jul 2024 - Member since May 2024 - report
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