Hardwood fence - Horizontal slats - Jarrah?

dimanche 2 novembre 2014

Hi Guys,

I've read this forum on and off over the last few years; first time poster though. I'd really appreciate some advice.



I need to erect a fence/privacy screen. It will only be about 7 metres in length, and about 1.8m high. Originally I was thinking of just buying some prefab Merbau privacy screens (1800 x 1800), but now that I've seen them in person I realise how flimsy they are, and how bad it will look. So I'm looking at doing a proper fence.



As mentioned, it is only about 7m in length. The area that is going in is all polished/painted concrete. The plan is to drill and Dynabolt/chemset some posts every 1.5m or so.



I want something that will look nice, as this will be highly visible from our outdoor entertaining area. For that reason I'm thinking of using hardwood decking. I'll be getting some help from someone that is very handy with wood, but as I need to make all the decisions, purchase all the materials (and live with the fence), I want to understand the options, issues etc. with doing this, so I'm asking for some advice from you experts :)



1. Are Jarrah decking boards a good option for this? I'm thinking of buying from here: http://ift.tt/10grQfv



I know that Merbau is a popular option, but I'm concerned about the leaching staining the concrete, and I understand that this is much less of an issue with Jarrah (and this is also kiln dried, which should help). Am I right here?



2. I'm thinking of leaving no gaps. I certainly don't want big gaps like most of the 'privacy' panels have. the idea behind this fence is to stop people walking alongside it from seeing through into our outdoor entertaining area (it borders common property). Is this an issue with expansion/shrinkage? Is it better to leave a very small gap?



3. Are there any disadvantages in going for the wider boards (130mm)? Most of the fences I've seen have the thin horizontal slats (with gaps between). I think I'd prefer thicker slats, with minimal gaps between. Is there a functional reason for the thinner slats, or is down to aesthetic preferences?



4. Are posts every 1.5m sufficient?



5. Is there anything else I need to consider? Any general tips?



I'll be using galvanized screws, timber posts, and probably capping it. I'm planning to pre-stain it, so that I don't get stain on the concrete (and just touch up if necessary after erecting the fence).



If there is a better subforum for this, please let me know.



Thanks!




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