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Anchoring decking subframe on flat balcony with waterproofing layer

Postby mech_man » Thu Jun 30, 2022 11:45 am

Hello,

I am in the process of planning to install decking subframe in this balcony in a multi-storey block and would like some advise/tips on how to anchor the joist down to the floor, please.
The flat floor of the balcony has a layer of waterproofing insulation on top and I am not sure what the best way is to secure the timber joists without damaging the insulation? I have attached some photo of the area as well and would appreciate any help or advice on this please.
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mech_man
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Postby stoneyboy » Sun Jul 03, 2022 8:47 pm

Hi mech_man,
No need to secure the joists, lay them out and fix decking boards to them, start with one each end of the joists.
Regards S
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Postby mech_man » Mon Jul 04, 2022 9:09 am

stoneyboy wrote:Hi mech_man,
No need to secure the joists, lay them out and fix decking boards to them, start with one each end of the joists.
Regards S


Hello Stoneyboy,

Thanks for your reply. I was thinking of using some constructive glue as well but someone else also suggested just fixing the boards to the subframe and putting some noggings as well so I might try that.
mech_man
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