TREEHOUSE ASSEMBLY KIT – 1-2 TREES – XS KIDS
Fastening set for small treehouses
This kit is an inexpensive attachment for small platforms < 10 m² (110 sq ft), featherweight children’s treehouses and simple viewing platforms. The tree must have a diameter of ø > 25 cm (10 in).
incl. VAT plus shipping
|✓ Made in Germany||✓ 5 Years Warranty||✓ 30 Days Return|
Lots of treehouse for little money
This is where you can put your manual skills to the test. As the GTS Free is attached directly to the wooden beam without Accessories, you save on expensive hardware. To do this, you have to reinforce the wooden beam around the drill hole, either with the supplied wood screws or you build your own bracket from sheet steel.
For small trees
Minimum trunk diameter ø > 25 cm (10 in) at the height of the screws.
The GTS Free is our smallest Screw for the lightest projects and is therefore also suitable for very small trees. In order for the screws to have space, opposite screws must be staggered in height if the trunk diameter is < 35 cm (14 in)!
Hole in the beam
The GTS Free is anchored directly through a pre-drilled hole in the beam. The connection must be reinforced in any case. The wood screws supplied hold the wood fibres firmly together. In case of high loads, rotary movements or lever forces, additional steel plates must be attached to prevent the wooden beam from cracking.
For 1 tree
The attachment of the GTS Free is sensitive to movement. In a single tree this is usually not a problem as everything moves together. However, when building between two or more trees, cantilevering the platform sideways or attaching a suspension bridge, it is better to use our larger GTS with Supports.
What is delivered?
- 4 x GTS Free
- 16 x Full thread wood screws (8 × 120 mm, galvanised, TX30)
- The wood is not included in the kit.
- Technical details can be found on the respective product pages.
- Total weight: 9760 g
- Article number: TTS-SET-4FREE
- HS codes (customs): 73181542
Dimension of the support beams
- Wood type for outdoor use: e.g. larch or Douglas fir.
- Minimum dimension of the support beams: 6 × 12 cm (2,4 – 4,8 in).
- The longer the beam and the higher the load, the greater the height of the wooden beam must be.
- The drill hole is pre-drilled in the support beam with the same Auger-Bit ø 36 mm.
- The drill hole is drilled to 1/3 of the height (measured from below) so that there is more wood above the GTS.
- Reinforcement with perforated plates or welded steel plates is always advisable!
Reinforcement of the supporting beams
A drilled hole in the supporting beam is automatically a weak point because the wood fibres are interrupted here and the wood can crack or split more easily. Therefore, the hole must be reinforced. Fully threaded screws act like reinforcement in reinforced concrete and hold the individual wood fibres together.
The ø8 mm screws should be pre-drilled with a ø 6 mm wood drill and have at least 2 cm distance to the edge of the beam and the drill hole.
Delivery times, prices, returns
Not exactly what you’re looking for?
This kit is designed for very small and light children’s treehouses in one tree. If you want to build a normal treehouse with a platform > 10 m² or something in several trees, you can find more ideas and examples for building treehouse platforms here.
Frequently Asked Questions
How do i mount the GTS in the tree?
- Pre-drill the hole in the tree (Auger or Forstner bit).
- Screw in the screw (large ratchet).
- Push on the Support with the wooden beam.
The tools are all available in our online shop. You can find detailed assembly videos on our YouTube channel.
Can I also use normal screws from the DIY store for building treehouses?
To fasten a tree house to the tree – No!
- The screws available in DIY stores are not designed for the extreme loads of a treehouse.
- Treehouse Screws are made of a special steel alloy, have a large diameter (ø = 40 mm) and an optimised geometry.
- The frequent alternating loads caused by wind fluctuations, which can lead to spontaneous fatigue fractures in normal wood screws in the long run, are particularly problematic.
- The treehouse construction must have distance to the tree so that it can grow further in width, the distance and the associated leverage forces can only be handled by professional Treehouse Screws!
Is my tree hardwood or softwood?
The decisive factor for anchoring the treehouse with Treehouse Screws is the compressive strength along the wood grain.
Hardwood (> 2.5 KN/cm²) – very suitable for Treehouse Bolts:
- Hardwoods: maple, beech, oak, ash, walnut, sycamore, robinia.
Medium hardwood (2 – 2.5 KN/cm²) – well suited for Treehouse Bolts:
- Hardwoods: birch, sweet chestnut, alder, cherry tree, lime tree
- Softwoods: Douglas fir, pine, larch, spruce, fir
Softwood (< 2 KN/cm²) – moderately suitable for high loads on Treehouse Bolts:
- Hardwoods: aspen, poplar, pear, horse chestnut, elm, willow
- Coniferous woods: cedar
IMPORTANT: These are only rough guide values – wood strength varies from tree to tree, from place to place and even within a tree! Wound healing and compartmentalisation also play an important role. You can find out how to analyse your treehouse-tree on this page: Which tree is suitable?