How to build low-level decking support to the timber frame?

[rajavamsi]

Hi there

I have started to do a low level deck in my alfresco extending into garden area. I have started this with inspiration from completed projects by the community. Thank you

i have got a problem and need some advise

problem - to support the timber frame on garden

 

I have used ready to mix concrete to make a slab and was hoping to put in a pedestal feet and screw it up with dynabolt

unfortunately, when I drilled the concrete cracked. Picture attached

any suggestion to repair this or alternatively other options that I can use ?

 

 

[MitchellMc]

Hi @rajavamsi,

Those pedestal feet can be used as a floating system, where you don't need to attach them to the footer; they just sit on top. Since your joists are sufficiently fixed to the concrete slab with angle brackets, I don't see the need to bolt the feet down to the footer, as the weight of the deck will hold them in place. 

How far do the joists extend past the concrete slab? If you are concerned about twisting, you can add noggins between the joists to connect them.

Please let me know if you have any questions.

Mitchell

[rajavamsi]

Thank you. It is relief for me that I do not need to repair concrete.

the joist extends the concrete by 80 cm in length. All the pedestal feet are placed at roughly 50 cm away from concrete. Would this be ok ?

[MitchellMc]

That will be fine, @rajavamsi.

Mitchell

[rajavamsi]

Thank you folks. I am very close to finishing my project. Photo attached. Thank you.

I am looking to oil the deck now and am looking to retain natural finish. Any recommendations as to which oil is better ?

i al also hearing some squeaky noise when I walk. It is not much…. the challenge iis that it is not consistent at a particular point….is it a concern or something that is normal  for new decks . Thoughts ?

thank you.

[MitchellMc]

Congratulations @rajavamsi! What a sensational deck you've created! You must be so very pleased with the results.

I recommend using a natural oil like Cabot's Natural Decking Oil. It is just a clear oil without a heavy colourant. Do a small test section in an inconspicuous area to ensure you're happy with the product before committing to the whole deck.

Squeaking is pretty normal for a new deck. Wait until you've got the oil on and it's nourished, then see if the issue persists.

Mitchell