Aluminum substructure flat black
For structural stability and improved wood protection, you will find numerous accessory products for building the substructure of a wooden deck here.
Screws for flat and angle connectors (100 pieces)
Support bracket substructure small (10 pieces)
Flat connector substructure narrow (10 pieces)
Drainage and ventilation profile anthracite
Screws for post supports (50 pieces)
Support bracket substructure (10 pieces)
Stainless steel wood screws (100 pieces)
Angle connector substructure (10 pieces)
Flat connector substructure (10 pieces)
Connecting angle aluminum substructure
Longitudinal connector aluminum substructure
Drainage and ventilation profile silver
The best substructure for a terrace depends on the choice of boards and the local conditions. Substructures made of aluminum or hardwoods such as Cumaru or Garapa are particularly durable. They offer a high level of stability, are weather-resistant and ensure a long service life for the entire decking.
The use of spacers or rubber granulate pads is recommended between the decking boards and the substructure. These ensure better ventilation, prevent waterlogging and reduce friction. This makes the decking more durable and the substructure remains stable.
The thickness of the substructure depends on the load and the choice of material. As a rule, the support timbers or aluminum profiles should have a height of at least 40-60 mm. For larger spans or high loads, greater dimensions may be required to ensure the necessary stability.
A robust and resistant substructure is crucial for wooden floorboards. Hardwoods such as Cumaru or Garapa are ideal, as they offer high resistance to moisture and pests. Aluminum is also a very good alternative, as it is absolutely dimensionally stable, durable and low-maintenance.
There is no general answer to this question. Depending on the project and your priorities, either one or the other material is better suited as a substructure for your wooden decking. In our advice you will find a detailed evaluation of the advantages and disadvantages of wood and aluminum in decking construction.
Material comparison| Material: | BioMaderas hardwood | Aluminum |
| Wingspan: | up to 200cm | up to 110cm |
| Shelf life: | at least 25 years | practically indestructible |
| max. Delay: | 1,0% | 0,1% |
| Sustainability: | very good (FSC® 100%) | rather poor |
Particularly durable decking boards for the substructure made of tropical wood or aluminum – from certified sources.
from 6,60 €
Cumaru decking boards, FSC 100%
Price from: € 70 per m2, resistance class: 1
Advantages: ✓ best durability ✓ particularly robust and scratch-resistant
Disadvantages: ✗ Partly rough surface ✗ High force development
Tip: Sand the boards after the first weathering.
from 9,10 €
Cumaru decking boards, FSC 100%
Price from: € 70 per m2, resistance class: 1
Advantages: ✓ best durability ✓ particularly robust and scratch-resistant
Disadvantages: ✗ Partly rough surface ✗ High force development
Tip: Sand the boards after the first weathering.
from 11,85 €
Cumaru decking boards, FSC 100%
Price from: € 70 per m2, resistance class: 1
Advantages: ✓ best durability ✓ particularly robust and scratch-resistant
Disadvantages: ✗ Partly rough surface ✗ High force development
Tip: Sand the boards after the first weathering.
from 9,10 €
Garapa decking boards, FSC 100%
Price from: € 65 per m2, resistance class: 1-2
Advantages: ✓ smooth surface ✓ homogeneous, light color
Disadvantages: ✗ Ferrous materials lead to discoloration ✗ Tendency to warp if not screwed down
Tip: patio cleaning removes discoloration and
professional interim storage prevents warping.
Garapa decking boards finger-jointed 145mm
from 9,80 €
Garapa decking boards, FSC 100%
Price from: € 65 per m2, resistance class: 1-2
Advantages: ✓ smooth surface ✓ homogeneous, light color
Disadvantages: ✗ Ferrous materials lead to discoloration ✗ Tendency to warp if not screwed down
Tip: patio cleaning removes discoloration and
professional interim storage prevents warping.
