ᐅ Slope of the terrace next to the cold conservatory with sliding glass doors
Created on: 29 Jan 2017 10:29
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daniels87D
daniels8729 Jan 2017 10:29Hello!
I am currently planning the terrace. A cold veranda with dimensions of 5x4m (16x13 feet) will be built there.
I have one problem: The base rails of the cold veranda itself cannot have any slope because of the sliding doors. How would you recommend designing the slope? The terrace next to it on the left side definitely needs a slope.
Should it be diagonal as shown in my attached picture? But that would be complicated since we have planned slabs with a size of 60x60cm (24x24 inches).
How is this usually done?
Best regards,
Daniel

I am currently planning the terrace. A cold veranda with dimensions of 5x4m (16x13 feet) will be built there.
I have one problem: The base rails of the cold veranda itself cannot have any slope because of the sliding doors. How would you recommend designing the slope? The terrace next to it on the left side definitely needs a slope.
Should it be diagonal as shown in my attached picture? But that would be complicated since we have planned slabs with a size of 60x60cm (24x24 inches).
How is this usually done?
Best regards,
Daniel
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daniels873 Mar 2017 09:52The roof structure is already in place. We are now considering covering the interior area of the cold conservatory with patio slabs on pedestal supports. The base is approximately 40cm (16 inches) of compacted recycled concrete.
Is this feasible? Are there any particular issues to consider?
Is this feasible? Are there any particular issues to consider?
daniels87 schrieb:
Diagonal as shown in my attached picture? But that might be difficult since we planned tiles in the size 60cm x 60cm (24 inches x 24 inches). A 45° angle radiating from the front corners should work best (caution – Pythagoras – the 45° refers to the edge with the slope!).
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
The green line is meant to outline the terrace, the red one the conservatory with the roof overhang, and the drawn window represents the sliding door (why not place it on the side facing the terrace dining area in front of the kitchen)?
I read about your pedestal idea in another thread. Could it be that you’re creating unnecessary work based on a misconception?
The conservatory only needs to be “straight” in the sliding door direction; it can have a slope across that direction (1° should be enough, otherwise the plates would tilt too much). But it should also be possible without any slope and with several floor drains, unless you are expecting monsoon-level rainfall?
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
I read about your pedestal idea in another thread. Could it be that you’re creating unnecessary work based on a misconception?
The conservatory only needs to be “straight” in the sliding door direction; it can have a slope across that direction (1° should be enough, otherwise the plates would tilt too much). But it should also be possible without any slope and with several floor drains, unless you are expecting monsoon-level rainfall?
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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daniels875 Mar 2017 17:22I’m attaching a picture for better illustration.
The cold conservatory will have sliding glass walls on all three sides.
I find the diagonal slope challenging with 60x60cm (24x24 inches) patio slabs. Therefore, the slope would need to run straight away from the house. Even with a 1% slope, I would have a 4cm (1.6 inches) step at the front, right?
Last year, at the start of construction, we had a storm with over 80 liters per square meter (2.3 inches) of rainfall. That gives the water considerable force. I prefer having the slope directed away from the house.

The cold conservatory will have sliding glass walls on all three sides.
I find the diagonal slope challenging with 60x60cm (24x24 inches) patio slabs. Therefore, the slope would need to run straight away from the house. Even with a 1% slope, I would have a 4cm (1.6 inches) step at the front, right?
Last year, at the start of construction, we had a storm with over 80 liters per square meter (2.3 inches) of rainfall. That gives the water considerable force. I prefer having the slope directed away from the house.
This is my suggestion, sketched out: no slope on the terrace, just floor drains like those used in communal showers (four in total), with a gutter in front of the door window element similar to those in front of underground garage entrances, all connected to the downspout. This way, I would lay frost-resistant tiles (or, if preferred, paving slabs) directly on a concrete slab without the need for pedestals. Then you can even jump rope on the terrace comfortably.
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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