![]() Luckily we’re using design software which does the number crunching for us. This can be a bit tricky and requires bit of guesstimation, especially if doing it by hand. But we can be more technical and work out the weight of the whole pod and then choose a size of timber that is strong enough to support that weight. How do we ensure it’s strong enough? Well, the safest way is to choose beams that support no less than the fixings (TABs). The main focus then becomes the beam itself. That means our treehouse can support a total of 10 to 18 tons – so we don’t have to worry about them failing. The TABs are capable of carrying a load up to 2.5 metric tons on softer trees like pines and cedars, and up to 4.5 tons on harder trees, such as oaks and maples. So, in other words, each TAB carries quarter of the total load of the treehouse – assuming we have a fairly even weight distribution throughout. In case you missed it, we covered the dynamic triangle assembly in our last post. Each beam is fixed to two TABs ( dynamic triangle assemblies) – one at each end. Here we’re using 3″ x 12″ (75 mm x 300 mm) C24 grade timber beams. SUPPORT BEAMSīeams will provide the main support for the treehouse, so it’s important to make sure that they are strong enough to do this. For fasteners, we want to stick with galvanised screws and bolts (or stainless) instead of mild steel. There’s really no point penny-pinching and choosing lesser quality timber for a project like this. It’s stronger with less defects, so we want to use it for the beams as well as all the outside frame construction. What’s the difference you ask? Well, out of the two, C24 is the more premium. This is one of the two grades you can buy timber in (C16 and C24). For the frame, we want to use grade C24 studwork timber. In terms of materials, pretty much everything is made from timber. Whether it’s a secret poker night, or a family picnic up in the trees, this pod’s got it all. As you can see by the happy people shown in the image below, this space can be used for pretty much any purpose. We can call this the sleeping pod.Īnother pod, let’s call this the chill out pod, is located few meters lower than the sleeping pod and features a comfortable seating and table area, as well as a kitchenette, compost toilet and a small outdoor decking area. One, which sits higher in the trees, is divided into a bedroom and an office. ![]() This treehouse design is made up of two equal size pods. So effectively, it’s like building a shed. The design is based mainly on the principles and techniques of lightweight timber construction. Basically any profession that makes you feel like you could do with shutting the whole world around you emerging into your craft with just the trees keeping you company. This treehouse is basically a designers retreat, which could also suit a writer or an artist. Meaning it’s not everyone’s cup of tea, but that’s kind of the point. This particular example is something along the lines I’d probably build for myself. So you should always make yours whatever you want it to be. FIGURE 1 – Finished Treehouse DESIGN INTENTįirst and foremost, designing a treehouse is all about personal preference. This includes the basics of platform design, flooring, wall construction, cladding and roofing. In this post we’ll look at how to design a treehouse pod, as shown Fig. ![]() Having covered a lot of the preparation topics – like tree selection and fixings – in the Part I, let’s pick up where we left off and continue with the rest of the treehouse design. ![]()
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