Slope of the terrace next to the cold winter garden with glass sliding doors

Hello!

I am currently planning the terrace. A cold conservatory measuring 5x4m will be built there. I only have one problem: the bottom rails of the cold conservatory itself must not have any slope because of the sliding doors. How would be the best way to design the slope? The terrace to the left already needs a slope. Diagonally like in my attached picture? But then it gets difficult because we have planned tiles with the format 60x60.

How is something like this usually done?

Best regards, Daniel

The roof is already in place. We are now considering covering the inner area of the cold conservatory with terrace slabs on pedestals. The base is about 40 cm of compacted recycled concrete.

Is that possible? Is there anything to watch out for?

Diagonal like in my attached picture? But then it gets difficult, as we planned tiles with the format 60x60.

45° radiating from the front corners should work best (Caution - Pythagoras - the 45° refer to the edge with the slope!)

The green line should be the outline of the terrace, the red one the conservatory with roof overhang, the drawn window should represent the sliding door (why not sideways to the terrace dining area in front of the kitchen)?

I read in another thread about your pedestal idea. Could it be that you are creating unnecessary effort due to a misconception?

The conservatory only needs to be "straight" in the sliding door direction, there can be a slope across it (1° should be enough, otherwise the soup plates would be too tilted). But it should also work without a slope and with several floor drains, or are you expecting monsoon rain?

I am attaching a picture for better illustration. The cold conservatory will have glass sliding walls on all three sides. I find the diagonal slope difficult with 60x60cm terrace tiles. Therefore, I would have to direct the slope straight away from the house. Even with a 1% slope, I would have a 4cm step in the front area, right? Last year at the start of construction we had a thunderstorm with over 80 l/sqm. The water gets a considerable force then. That’s why a slope away from the house seems preferable to me.

This would be my painted suggestion: without a slope in the terrace, just floor drains like in communal showers (four pieces), a rain gutter in front of the window door element like in front of underground garage gates, all connected to the downpipe. This way I would lay (frost-resistant) tiles (or if you want, also "paving slabs") on a concrete slab without the effort of pedestals and that’s it. Then you can also jump rope on the terrace.