Table of contents:

Wooden terrace: which wood is suitable?
Wooden terrace: which wood is suitable?
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A wooden covering makes the terrace cozy and cozy. There are a number of sturdy woods that withstand wind and weather and are therefore ideal for outdoor use. Here you will find various options for laying your terrace floor with wood.

Table of contents Table of contents Wooden terrace: Which wood is suitable?

  • Wooden terrace: the extended living area
  • Local woods for the wooden terrace
  • Wooden terrace: tropical woods with letter and seal
  • Wooden tiles as a terrace covering
  • Wooden decking: protection and care

Table of contents Table of contents Wooden terrace: Which wood is suitable?

  • Wooden terrace: the extended living area
  • Local woods for the wooden terrace
  • Wooden terrace: tropical woods with letter and seal
  • Wooden tiles as a terrace covering
  • Wooden decking: protection and care

Wooden terrace: the extended living area

If you prefer to eat outside in summer, you should treat yourself to a seat in front of the kitchen. Bookworms and connoisseurs need a terrace in front of the living room, barbecue enthusiasts build a deck away from them in a sheltered garden corner. Plan the terrace at least 12 square meters in size, and up to eight people can sit comfortably around a table with a diameter of 1.50 meters. If you want to accommodate a parasol, grill and a box for the seat cushions, plan around five square meters more.

For many builders, the most beautiful connection between house and garden is a wooden terrace, because a wooden floor is solid and very easy to maintain. The natural topping spreads Mediterranean flair and does not heat up much in summer, is non-slip with ribbing and, depending on the type of wood, is durable. Pin out the planned terrace area and first prepare the substructure for the wooden supports on which the covering rests. There are three options:

  • Pour concrete floor slab or set strip or point foundations
  • Lay out special plastic grids on a flat, firm surface
  • Digging out 20 centimeters of soil - horticultural experts call this "boxing".

Fill the bottom of the suitcase five centimeters thick with coarse and fine gravel, gravel and sand - two to three percent slope away from the house towards the garden prevents waterlogging on the facade and therefore rot caused by the weather. Compress layer by layer with a vibrator.

Substructures made of wood or wood-based material and covering should always be made from the same type of wood or the same wood-based material. Otherwise the materials expand to different extents, which leads to bulges or tears.

Local woods for the wooden terrace

Local types of wood from sustainably managed forests are generally inexpensive and ecologically harmless. Without chemical wood protection, it can withstand weathering and pests for different lengths of time, depending on the type of wood.

Durability: classes provide information

Wood in the garden does not suffer as much from the alternation of sun and rain, heat and cold when a patio roof protects the covering. If the patio is exposed to weather and moisture without protection, you should choose a wood type of durability class 1 or 2.

  • Douglas fir: durability class 3-4 (moderately to not very durable), yellowish brown to light reddish color, with pronounced grain - wood darkens. High strength, moderately weather-resistant, heartwood insect-proof, knot-free, resin leakage possible.
  • Oak: durability class 2 (permanent), gray-brown to reddish brown, darkens. Moderate shrinkage, tendency to crack and throw. Heartwood weatherproof, sapwood susceptible to fungal and insect attack.
  • Spruce & Pine: durability class 4 (less permanent), reddish yellow to light yellow color, darkens. Soft coniferous wood - furniture feet can be pressed, not very suitable for walking barefoot due to the risk of splintering. Little tendency to crack and throw, moderately weatherproof, not resistant to fungal and insect attack, susceptible to worming - only suitable as a terrace covering with impregnation.
  • Larch: durability class 3-4 (moderately to not very durable). Moderate shrinkage, little tendency to crack and throw. Untreated, robust in free weathering, resistant and hard, worm-eaten unknown. The brown-red to yellow wood changes its color to natural gray. Larch wood is tough and elastic and does not tend to splinter.
  • Robinia: Also called false acacia, durability class 1-2 (very durable to permanent), sapwood white to light yellowish, fresh heartwood yellowish olive to light brown - darkens to gold-brown. In the past, robinia could hardly be used as construction and construction timber because long material was rarely used. The trees are fast growing, you only get short pieces - sufficient for flooring.
  • Thermowood: Thermowood is made from local woods, such as ash. A special process makes the wood water-repellent and resistant to rotting. Thermo wood is non-slip and splinter-free, the natural growth of the wood gives each floor slab its lively and original character.
  • Western Red Cedar: Western Red Cedar is a relatively soft wood of brown, red, or yellow color - however, it weathered to gray over time. The wood strongly corrodes iron; Professionals only fix it with stainless steel screws.
  • Composite materials: Composite materials such as wood-plastic composites (WPC) made of wood or paper flakes and plastic, flatter your feet like the natural material wood, but are splinter-free and non-slip. If you install the material correctly, you need little maintenance.
Tropenhölzer werden gerne als Material für die Terrasse verwendet
Tropenhölzer werden gerne als Material für die Terrasse verwendet

Tropical woods are very robust and easy to maintain. If you want to lay a terrace with tropical wood, you should definitely pay attention to the FSC certification.

Photo: iStock / nullplus

Wooden terrace: tropical woods with letter and seal

Tropical woods are almost indestructible outdoors. But overexploitation and plantations with monocultures endanger the rainforests. Sustainable and near-natural forestry is the only alternative: the ecology is similar to the primary forest and people can work under acceptable social conditions. The independent environmental foundation Greenpeace considers the wood use of certified forests tolerable - it helps to push illegally felled wood from the market. If you choose a wooden floor made of tropical wood, it is important that you pay attention to the FSC certification. Otherwise, it makes sense to use local types of wood.

Good to know: patio coverings made from tropical wood cost three to four times as much as domestic material, but also have a longer service life.

  • Bangkirai: durability class 2 (permanent), reddish brown color. When dry, the wood weighs heavier than water and contains a lot of oil - both give it great resistance to environmental influences, insects and fungi. Bangkirai does not warp and is pure. In contrast to other woods, it can also be used as a support structure directly in the floor.
  • Garapa: One of the brightest South American hardwoods (FSC-certified on request), which, with its striking, almond-colored tone, also fulfills unusual requests for an individual appearance of the terrace. Planed smoothly, the uniform surface appearance is particularly effective. In addition to its durability class 1 - 2, which guarantees at least 20 years of service life, Garapa is characterized by good dimensional stability, low tendency to splinter and only a few cracks. Because of its good durability with full weathering and the high resistance to wood-destroying fungi and insects, Garapa not only serves as an exclusive and robust terrace covering, but is also often used in the design of pool and wellness areas. The wood is almost free of knots, contains only small amounts of wood constituents that wash out and is low-distortion due to technical drying.
  • Massaranduba: Massaranduba is a heavy and hard wood with appropriate strength properties. The characteristic feature of the structurally predominantly homogeneous wood is the dark red color, which changes to a reddish-dark brown color in the course of weathering. The resistant and extremely low-starch hardwood from South America has durability class 1 and is characterized by its special resistance to fungal attack. High wood density ensures weather resistance, stability and strength.Untreated Massaranduba planks turn gray when weathered, annual oil treatment preserves the characteristic wood tone.
  • Ipe: This type is one of the woods with the greatest natural hardness. Because of its weight and durability (class 1), it is used not only as a decking board and pool border, but also in bridge and hydraulic engineering. Light brown to olive-green coloring gives the hardwood from South America exclusivity (FSC-certified on request), the calm alternation of light and dark zones make it look attractive as well as subtly striped. Good stamina, high pressure and bending strength, moderate tendency to swell and shrink, little splintering, the lack of branches and insect flight holes (pinholes) as well as only rare, low bleeding make Ipe a particularly high-quality and noble wood and allow a useful life of the terrace from at least 25 years. Regular maintenance with hardwood oil extends the shelf life and refreshes the natural color.
  • Teak: This wood comes from Southeast Asia and shimmers brown or yellow. Processing is considered easy, but silica stored in the trunk makes the cutting tool blunt. Cracks and warps are not a problem with teak. Wood scientists classify plantation teak as less durable than wood from natural locations and give teak from natural locations durability class (DHK) 1 and DHK 1 to 3 for teak from plantation cultivation - on which the white rot fungus C. versicolor sometimes has an easier time. Teak contains natural oils, they protect the wood from rotting. After a few years it loses color, the quality remains. The material is clear.
Holzfliesen sind schnell und einfach verlegt
Holzfliesen sind schnell und einfach verlegt

Square tiles or elongated planks are suitable as terrace coverings. Wooden tiles with click system can be quickly laid or folded.

Photo: iStock / frentusha

Wooden tiles as a terrace covering

Wood professionals lay wood tiles quickly and professionally in individual patterns, usually in a checkerboard pattern. Small terraces can appear restless, large ones gain compactness and structure. As a rule, wooden tiles are made as square, 50 x 50 centimeter wooden sections in thicknesses between approx. Two and four centimeters. Unsightly stone or washed concrete surfaces can be designed with wood tiles to create an appealing patio - patio wood gratings with height-adjustable feet save the leveling of the ground. Terrace gratings can be easily dismantled and taken away, for example, when moving house. Practical also for cleaning the subsurface, relocating or clearing away in winter. In the edge areas, wooden tiles can be easily adapted to the terrain without waste, even in jagged or stepped edge shapes. Depending on the type of wood and installation, wooden tiles are suitable for walking barefoot - since there are systems that allow screw and hole-free installation. As a rule, wooden tiles with click systems are offered.

Floorboards: Elegant and practical

Floor boards for the terrace are available in all types of wood in lengths between two and four meters, they are 14 centimeters wide and between two and three centimeters thick. Suitable substructures consist of approx. Four by seven centimeter thick wooden supports with a length of up to three meters. Grooved surfaces stop slippery areas. Floorboards give an interesting look when you combine two boards of different widths or lay them at an angle - sawing work that is worthwhile. If you want to visually broaden a terrace, lay the boards lengthways to the house wall; Boards at right angles to the facade give the terrace more depth. Diagonal laying makes the terrace look larger in both directions than it really is. A foil under the floorboards suppresses weeds that could grow through the cracks.

Ein Holzboden auf der Terrasse muss richtig gepflegt werden
Ein Holzboden auf der Terrasse muss richtig gepflegt werden

A wooden floor on the terrace must be properly and regularly maintained.

Photo: Xyladecor

Wooden decking: protection and care

Woods shrink and swell, they "work" - depending on the type of wood to different degrees. Wood professionals build a terrace from planks or grates of one type of wood, for example screwing a spruce covering onto a substructure made of spruce planks and Bangkirai boards on wooden beams from Bangkirai. This prevents damage from cracks that could unnecessarily draw moisture into them.

You have to protect domestic wood - but impregnation is of no use if rain or melt water cannot run off. You should build the terrace with a slight slope and cover or bevel horizontal cut edges. Superficial painting with a wood preservative is of little use: pawing and walking rub the surface. A boiler pressure impregnation in the sawmill is more effective and environmentally compatible. The process protects against insects, fungi and rot, even with constant contact with earth or water. Today, people also like to use heat-treated thermo wood: in controlled heat, it changes the cell structure, becomes hard and durable, hardly absorbs moisture and keeps its shape. How long wooden patios last does not only depend on the quality of the material - with a little care and time, you can keep the patio fresh for longer.

Clean the wooden floor

The terrace should be dry. You sweep away coarse dirt. A broom that has hard and soft bristles also cleans the deep grooves. Soak stubborn stains with a wood cleaner and brush off carefully. This cleaner also helps against graying. Spread wood oil on the surface and work in with a soft pad or brush, working in even paths. Remove excess. Three liters of maintenance oil are sufficient for 30 to 35 square meters. You get it in shades of brown, red and natural. Let it dry a day before you use the terrace again. If you don't want to slip on your knees, you can use a pad on a stick. You put the bottle with the care oil in a holder and distribute it gently on the back. Untreated hardwoods are treated with special wood oil at the beginning and end of the garden season. If moss forms on the wooden surface: brush off quickly - danger of slipping!

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