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Nanopixel28 Mar 2021 16:59Hello everyone,
We have a steel terrace structure on our raised ground floor. There is a 10cm (4 inch) height difference between the steel beams and the top edge of the structure. We would like to install WPC decking here.
Assuming the decking boards are about 2cm (0.8 inch) thick, approximately 8cm (3 inch) of height needs to be "filled" on the substructure above the steel beams.
- What kind of substructure would you recommend for this purpose? So far, I haven’t come across anything with a thickness of 8cm (3 inch).
- What would be the ideal way to fasten this substructure to the steel beams? Using self-drilling screws into the steel beams?
Regards,
N
We have a steel terrace structure on our raised ground floor. There is a 10cm (4 inch) height difference between the steel beams and the top edge of the structure. We would like to install WPC decking here.
Assuming the decking boards are about 2cm (0.8 inch) thick, approximately 8cm (3 inch) of height needs to be "filled" on the substructure above the steel beams.
- What kind of substructure would you recommend for this purpose? So far, I haven’t come across anything with a thickness of 8cm (3 inch).
- What would be the ideal way to fasten this substructure to the steel beams? Using self-drilling screws into the steel beams?
Regards,
N
N
nordanney28 Mar 2021 17:26Wood beams like those used in a typical wooden deck as the substructure.
Alternatively, use WPC beams underneath,
consider the slope (2-3cm (1 inch) away from the house),
use solid material for the decking boards,
decide whether to have an open or closed deck,
whether to lay the boards lengthwise or crosswise (maximum board length 6m (20 feet)?),
clarify drainage,
if the metal supports are drilled, they can rust.
Reading material is available, for example, from Megawood
consider the slope (2-3cm (1 inch) away from the house),
use solid material for the decking boards,
decide whether to have an open or closed deck,
whether to lay the boards lengthwise or crosswise (maximum board length 6m (20 feet)?),
clarify drainage,
if the metal supports are drilled, they can rust.
Reading material is available, for example, from Megawood
M
motorradsilke28 Mar 2021 18:23I think I would not screw the beams to the steel girders but just lay them on top, and then connect the whole structure with the WPC decking boards. So, a kind of floating installation.
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nordanney28 Mar 2021 18:26Nida35a schrieb:
Consider the slope (2-3cm (1 inch) away from the house),I don’t see this as necessary for such a small balcony, unless you want to seal the joints between the decking boards.K
knalltüte28 Mar 2021 20:43Usually, the construction is planned according to the desired design from the start 😎 So, beforehand.
Well, a few years ago my parents treated themselves to a balcony like this (now they have three directions where they can sit depending on the sun’s position – a nice feature). Below it, there is a gravel bed because the lawn initially just deteriorated due to lack of sunlight. Perhaps plant experts have other, better solutions for this. I helped install solid larch wood decking boards. They are screwed onto a substructure made of larch wood beams. The substructure itself is secured with stainless steel screws (on the stainless steel balcony). Solid (though rather expensive) craftsmanship. No signs of rust at all. The decking boards and the substructure still look like new, now estimated to be 6–7 years old.
Well, a few years ago my parents treated themselves to a balcony like this (now they have three directions where they can sit depending on the sun’s position – a nice feature). Below it, there is a gravel bed because the lawn initially just deteriorated due to lack of sunlight. Perhaps plant experts have other, better solutions for this. I helped install solid larch wood decking boards. They are screwed onto a substructure made of larch wood beams. The substructure itself is secured with stainless steel screws (on the stainless steel balcony). Solid (though rather expensive) craftsmanship. No signs of rust at all. The decking boards and the substructure still look like new, now estimated to be 6–7 years old.
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