10 Tips about wood preservation in the garden


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1) Constructive wood protection

The lifetime of wood depends not only on the type of wood and the care, but also on how long the wood is exposed to moisture or moisture. The so-called constructive wood protection is about installing wood in such a way that water drains off or dries out as quickly as possible before rot can be used. For example, sloping or rounded-off fence slats dry much faster than just sawed off. A good moisture protection also offers fence caps. The airy substructure of a terrace ensures that wood dries quickly.

2) Impact sockets protect against weathering

The direct contact of the wood with the moist soil quickly leads to rot and can be prevented by simple constructions. This wooden stake (see below) belongs to a raised bed and is placed in a stainless steel knock-in base (for example by GAH Alberts) and screwed down - thus anchoring it stably in the ground. First, you paint it with a wood preservation glaze. For more complex structures such as a pergola, so-called post shoes are used, which are fixed in a concrete foundation.

Ground socket

Decisive for the wood protection is also the construction: Wood should never come into direct contact with soil

3) Clean wooden terraces gently

Once or twice a season a thorough cleaning of wooden terraces is due. Most of the planks have a groove profile, in which easily collects dirt or moss settles. With a scrubber or broom, the results are sometimes not as clean as you'd expect, but a high-pressure cleaner would not stress the wood unnecessarily. If you want to clean the planks gently and yet thoroughly, electrical appliances with rotating brushes (for example "Gloria MultiBrush") can be a good alternative. The nylon bristles remove the deposits in the grooves and can also be used on wet surfaces. This model is - combined with other brush attachments - also for cleaning joints or flagstones.

4) The layers of wood

The outer part of the bark, the roughly scaly bark depending on the tree species, protects the underlying layers. Behind it is the inner bark, the bast fabric. In this thin layer run pathways that transport nutrients. Right behind it lies the cambium, a very thin cell layer. It controls the growth of the tree and forms raffia on the outside and sapwood on the inside. In this often brighter part run the water pipes, while the inner heartwood serves as a stable skeleton of the tree.

Cross section birch trunk

Cross section through a birch trunk

5) construct wooden decks

From an elevated wooden terrace you have the whole garden in view. The basis is usually a solid substructure of ten by ten centimeters thick beams. The supporting vertical beams should sit in cast-in post holders. Angles and braces provide firm support for the transverse beams. The substructure is varnished several times before the likewise glazed plank boards are screwed on. Only high quality stainless steel screws should be used. This investment is worthwhile and facilitates the later exchange of individual planks.

6) Maintain wooden planks

Wood in the outdoor area often turns gray after just one season. This is a normal process, but this silvery patina does not please everyone. If you would like to preserve the original wood tone, you should maintain the decking once a season. In the beginning is the thorough cleaning with a broom or an electric brush. After that, apply a large amount of degreaser (for example from Bondex Wood Cleaner) with a brush. After a contact time of at least ten minutes, rub the terrace along the grain with a nonwoven and rinse the surface with water. When everything is dry again, the terrace is brushed off again and is ready for the care. Use the appropriate oil for your wood species and stir before applying. Apply it with a brush and after about 15 minutes, absorb excess oil with a rag. If necessary, oiled a second time after 24 hours.

Entgrauer wooden floorboards

With special means, wooden planks can be grayed out in the outdoor area

7) Wood preservation in a natural way

The regular handle to the glaze or paint can is not for everyone and costs money. Instead, it pays to spend a bit more on the purchase: tree species that are high in resins or tannins are naturally more durable and do not require additional impregnation. In addition to most tropical woods, these include European trees such as robinia, oak, larch, sweet chestnut or Douglas fir.Untreated, your wood will last a long time and turn gray over time. That's no shortage, but you should like it if you choose this option.

8) Dear oil instead of varnish for larch wood

Larch wood is considered the hardest native softwood and is particularly weather-resistant due to its high resin content. Therefore, it is well suited for the garden and is used not only for decking but also for fences and furniture. A wood protection is not absolutely necessary, but it refreshes the original color again. So that the wood retains its open-pored character, special larch oils are recommended, which allow the water to roll off without smoothing the surface like a varnish.

Wooden deck made of larch wood

Over the years, the larch wood of the planks turns silver gray

9) Spray instead of brushing

If you want to make it easier to apply the wood protection, you can simply spray on the product. With paint spraying systems (for example, "PFS 1000" from Bosch), work is quick and easy. Because of the fine spray, you should wear a respirator in this comfortable variant and protect the environment with foil or cloths before glaze splashes. The device also sprays emulsion and latex paint and can be used indoors.

10) Tropical wood and the alternatives

Bangkirai, Teak or Bongossi: Those who do not like to care about wood preservation but still want weatherproof furniture or an indestructible sundeck first of all think of these tropical woods. Here, the choice should be on goods with the FSC seal for sustainable forestry - or on the alternative: Domestic, decay-prone wood such as beech, which was heated in a special process, is considered particularly robust and is offered as a so-called thermowood commercially,

Video Board: How to stain & preserve a shed. Wood preservative application, painting & staining your shed!.

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