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Hi I’m planning to build a wooden paragola for the outdoor deck. PFA a photo of the deck for reference and a photo of what I have in mind to build. Would like to know what size of pillars should I use and what would the ideal wood be for the purpose. Would like to have a hammock placed as well in between the pillars so would like the pillars to be able to take the weight. Any suggestions will greatly be appreciated.
cheers,
Karan
Hello @KSB
Before you begin, I suggest checking your local council's rules and regulations regarding the size of your pergola. I suspect that there are height and size restrictions that must be followed. Because of the size you'll be building at, I propose engaging the services of a draftsperson to draw up a basic plan for you. They'll be able to integrate all of your requests into the plan including the pitch of the roof and its overhang, it will be safe, built to code and will pass inspection.
In regards to your question, I suggest using H3 rated framing timber and H4 rated timber for in ground use. Size and length will depend on the design drawn by the draftsperson, please don't forget to mention your desire to install a hammock between the posts.
Here is a link for ideas and inspiration: Top 10 most popular pergola projects
I also suggest having a look at this guide - How to build a pergola
If you need further assistance, please let us know.
Eric
Let me get tag some experienced members in the community for their thoughts: @TedBear, @Dave-1, @Nailbag, @diy_hausdesigns.
Jason
Good Morning @KSB
I like 90mm by 90mm posts, with headers notched across the top. 120mm headers at least. I am not a fan of attaching a pergolla to the house as I think they should be freestanding. (I figure they should be able to stand up under their own weight/structure)
Figuring the fall of the roof is something I would make sure of, also the height from the deck at the lowest point (to the roof) as it will show if its possible to attach it to the side of your house.
Your trusses/beams are short, so you shouldnt have a problem with the height. As to the hanging a hamock off the structure. This I would add more stays to help stop lateral movement, A body swings with a resonable momentum so you wanty it to be able to handle that.
Last thing I can add.
Sketch it out, then another sketch using the sizes of timber you want and you will find it shows up things that you may have not thought of. Last one i do is go through that second sketch and then cost the project 
I did it once and forgot to add the corrorgated iron for my roof (It was a largish amount and a whoops moment)
Dave
