Cumaru substructure
45x70mm, FSC 100%
from 9,55 €
The finger-jointed substructure made of Cumaru for long-lasting wooden terraces of the highest durability. The Cumaru wood has been awarded the certificate FSC® 100% for controlled, responsible forest management.
terrace planning
| Width | 45 mm |
| Size | 70 mm |
| Length | 100cm to 400cm |
| Species | Cumaru (Dipteryx odorata) |
| Origin | Peru, FSC® 100% certified |
| Surface | planed smooth on all sides |
| durability | Class 1 |
| Drying | technically dried (KD) |
| application | finger-jointed |
| Online patio planner | laying plan and get offer |
| installation instructions | terrace guide as PDF |
| Recommended accessories | only tested material |
| Volume discounts | Discount more blog posts |
CUMARU SUBSTRUCTURE 45x70MM
Cumaru is a wood that is becoming increasingly popular due to its highest durability and good properties. As a substructure, Cumaru impresses with its good dimensional stability, its resistance class 1 according to the DIN standard and its high static load-bearing capacity. The perfect substructure for wooden terraces that should last particularly long.
Advantages
✓ Hand sorted brand quality from BioMaderas
✓ Best outdoor durability
✓ Resistance class 1 according to DIN standard
✓ smooth planed surface
✓ Red-brown tropical wood colour
✓ FSC® 100%-certified, from sustainable forestry
✓ transparent Origin
✓ direct sales
✓ climate-neutral shipping
Wooden decking advice
| Requirement per square meter wooden terrace | approx. 2,5 running meters |
| spacing rows | about 50cm |
| span flat | 115cm |
| Span upright | 180cm |
The origin
The Cumaru substructure comes from one FSC® 100%-certified forestry north of the Peruvian capital Lima. Visit the forest in Peru and learn about the origins of cumaru wood.
OriginCustomer gallery wooden terraces
Visit our customer gallery and read the testimonials of our decking wood customers.
customer gallery
Shipping costs
Finger-jointed terrace wood
Finger-jointing is a tried-and-tested wood connection in timber construction, through which individual pieces of solid wood are put together to form a longer piece of decking wood. Wedge-shaped prongs on the ends of the pieces of wood interlock and are weatherproof glued together. This can be seen on the surface of the plank, but fades into the background with weathering and the formation of the patina.
Finger-jointing offers various advantages: the wood is less prone to warping and the tree trunk can be used more efficiently, which makes the product particularly sustainable and usually also cheaper.
Comparison of terrace wood
What our selected decking wood has in common: ✓ high durability ✓ very good technical properties ✓ sustainable origin. Here is an overview of the special features:
Cumaru
✓ best durability
✓ particularly robust and scratch-resistant
✗ partly rough surface
✗ high power development
Tip: Floorboards should be sanded after weathering.
garapa
✓ smooth surface
✓ homogeneous, light color
✗ Ferrous substances lead to discolouration
✗ unbolted tendency to warp
Tip: Terrace cleaning removes discoloration and professional interim storage avoids warping.
jatoba
✓ smooth surface
✓ Rich color and grain
✗ unoiled tends to crack
✗ Colored ingredients wash out
Tip: Clean and oil decking after laying.
Teak
✓ best durability and dimensional stability
✓ Lowest risk of cracks and splinters
✗ relatively expensive
✗ no very long planks
Tip: Lay decking boards together.
Accessories for wooden terraces
Only work with accessories that have been tested and approved for use with this particularly resistant type of wood. Ask the manufacturer about suitability or choose products from our range that have already been tested for the specific application. You will find an overview of the accessories required for your terrace construction on this page grocery list. You will receive an individual and free calculation if you use our terrace planner use.
Recommended accessories
discounts at Betterwood
The Betterwood you will receive a 1% discount for every €1.000 purchase value, up to a maximum of 15%. You can calculate your expected savings here:
The discount will be displayed on the shopping cart page and deducted from your purchase.
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| Durability according to DIN 68800-1 | |
| Durability according to DIN EN 350-2 | |
| Iron-tannin reactions | |
| bleed out | |
| Weight fresh (m³) | |
| Weight dried (m³) | |
| Bulk density (cm³) | |
| Compressive strength | |
| Certificate | FSC®-certified (FSC 100%), from sustainable forest management and fair production |
| FSC® code |
6 Reviews for Cumaru substructure
45x70mm, FSC 100%
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Data sheet (PDF)
Notes and application description for the Cumaru substructure from BioMaderas as a two-page PDF download.
Installation instructions in German (PDF)
Our installation instructions will help you build your wooden terrace. Please read these carefully before installing the floorboards.
Installation instructions english (PDF)
Our installation instructions will help you with the construction of your wooden decking. Please read them carefully before installing the boards.
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Advantages: ✓ best durability ✓ particularly robust and scratch-resistant
Disadvantages: ✗ partly rough surface
Tip:Sand tiles after initial exposure to weather.
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René Bente (via Google) -
Everything great! Super team and best truth!
Holger Temmen (via Google) -
Very friendly and competent advice! Timely delivery, just as promised. Super decking boards (Cumaru) and substructure. The floorboards were very straight and exactly 120 mm wide. The substructure and floorboards were always a bit longer (UK, for example, 5 cm) than indicated.
All in all I am completely satisfied. Highly recommended !!
Horst Hesselbarth (via Google) -
Thanks to the really easy terrace planner, the very friendly advice and the good feeling of not having harmed the environment, an absolute A+ with asterisks. Since I bought Cumaru and the terrace will be fun for 1 years, the price is more than justified. Also for amateur builders, how strongly recommended….
Daniel and Nicole (via Google) -
First the positives: the goods were available very quickly and the planking was almost perfect: we didn't have to sort out a single board. Unfortunately, that didn't apply to the UK, where two beams were so bent that we had to dismantle again. (We could have noticed beforehand) What really annoyed me personally, however, was the delivery itself: 220 euros is no small matter, especially considering that you have to unload yourself. But I would have gladly paid for it if the delivery had been as sustainable as the wood... But the opposite was the case: the driver, who only spoke Russian/Polish (a very nice guy by the way) came from POLAND at approx 40 km away from us to load the goods and bring them to us (and then drive back to Poland) There was nothing on the truck except our goods. This is by no means ecological and therefore the price for the delivery was exorbitant in my opinion. I'd be happy to pay a higher price, but not when such ecological madness is being pursued. Nevertheless: the wood Cumaru) is great.
Brigitte Fuchs (via Google) -
I highly recommend this blade and this company. Mr. Jaeger was a very good advisor to us and patiently answered all of our questions. All agreements were kept. We are not very good craftsmen and despite the great help from Mr. Jaeger we got a very nice terrace. Thank you Mr Jaeger
Thilo Heller (via Google) -
Great quality, great team: 100% recommended.