ᐅ Drainage for patio doors and exterior window sills for floor-to-ceiling windows
Created on: 27 May 2023 17:35
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WilderSuedenW
WilderSueden27 May 2023 17:35I need your help regarding exterior access points. On the ground floor, we have four floor-to-ceiling units. Two of them are patio doors with fixed glazing, and the other two have no doors. Currently, there is only a liquid waterproofing membrane applied at the bottom, but no window sill yet. The plasterer came by today and asked how I plan to proceed and by when, so he can finish the topcoat accordingly. Fortunately, I had already given it some thought last week.
There is 13cm (5 inches) of space under the roller shutter rail. I am considering using 8cm (3 inches) of XPS insulation, a 3cm (1 inch) granite slab on the units with doors (2cm (0.8 inches) on those without doors), and the rest for foam/mortar/slope. Does this make sense, or is this too tight?
At the moment, I am also unsure if, as a non-professional, it is better to use expanding foam or mortar. Foam has the advantage that excess can simply be trimmed off, while mortar might make it easier to create the correct slope. It is important to me that no water is absorbed there, which is why I am leaning towards expanding foam.
As far as I can tell, the window sills over about 2m (6.5 feet) are generally supplied in multiple parts anyway. The units with doors are very wide—one is 3m (10 feet) and the other 3.5m (11.5 feet). Does it make sense to combine pieces with 2cm (0.8 inches) and 3cm (1 inch) thickness, or would that just become a complicated hassle to save around 50€?
One more question about the surface finish: some stones are only available polished. Is that a serious problem during winter or when wet, or should we only choose flamed and brushed finishes?
There is 13cm (5 inches) of space under the roller shutter rail. I am considering using 8cm (3 inches) of XPS insulation, a 3cm (1 inch) granite slab on the units with doors (2cm (0.8 inches) on those without doors), and the rest for foam/mortar/slope. Does this make sense, or is this too tight?
At the moment, I am also unsure if, as a non-professional, it is better to use expanding foam or mortar. Foam has the advantage that excess can simply be trimmed off, while mortar might make it easier to create the correct slope. It is important to me that no water is absorbed there, which is why I am leaning towards expanding foam.
As far as I can tell, the window sills over about 2m (6.5 feet) are generally supplied in multiple parts anyway. The units with doors are very wide—one is 3m (10 feet) and the other 3.5m (11.5 feet). Does it make sense to combine pieces with 2cm (0.8 inches) and 3cm (1 inch) thickness, or would that just become a complicated hassle to save around 50€?
One more question about the surface finish: some stones are only available polished. Is that a serious problem during winter or when wet, or should we only choose flamed and brushed finishes?
I don't understand what you are planning.
Is it the case that you have omitted exterior window sills? Usually, this is done when you want to integrate paving/terrace, pathways, or splash protection directly into the reveal for a seamless transition. Without any hassle.
Is the photo your work? Is it supposed to be visible? Or what is intended to be on it?
Is it the case that you have omitted exterior window sills? Usually, this is done when you want to integrate paving/terrace, pathways, or splash protection directly into the reveal for a seamless transition. Without any hassle.
Is the photo your work? Is it supposed to be visible? Or what is intended to be on it?
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WilderSueden28 May 2023 08:43I didn’t actually give up on anything, but the construction description isn’t entirely clear, and the general contractor has already suggested that he doesn’t consider this to be his responsibility (“you can put a stone slab or a sheet metal panel there”). Before I pay any extra charges for some laborer to botch it, I might as well do it myself more cheaply.
Originally, I also thought of paving up to the reveal, which would basically work on the terrace as well. The other terrace door leads to a small set of stairs directly into the garden, so there is no paving there. That’s why I’m now considering making it uniform and using stone slabs everywhere.
The photo shows the current situation. The window on the slab foundation, with the first row of stones insulated in front and everything sealed with liquid waterproofing. I didn’t do this.
Originally, I also thought of paving up to the reveal, which would basically work on the terrace as well. The other terrace door leads to a small set of stairs directly into the garden, so there is no paving there. That’s why I’m now considering making it uniform and using stone slabs everywhere.
The photo shows the current situation. The window on the slab foundation, with the first row of stones insulated in front and everything sealed with liquid waterproofing. I didn’t do this.
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motorradsilke28 May 2023 08:44What will be placed on the outside there?
What do you plan to put in front of the XPS insulation on the outside? You can’t just leave it exposed.
As Yvonne mentioned, usually there’s a terrace there, or a step if no terrace is planned directly at the house or not at all doors.
We built steps from granite stones at those exits because we didn’t want a terrace directly at the house. For the fixed glazing, our general contractor installed a windowsill, the same as the ones on the higher windows.
However, this was done independently of the plasterer, who applied the plaster as usual, and then we added the windowsill afterward.
What do you plan to put in front of the XPS insulation on the outside? You can’t just leave it exposed.
As Yvonne mentioned, usually there’s a terrace there, or a step if no terrace is planned directly at the house or not at all doors.
We built steps from granite stones at those exits because we didn’t want a terrace directly at the house. For the fixed glazing, our general contractor installed a windowsill, the same as the ones on the higher windows.
However, this was done independently of the plasterer, who applied the plaster as usual, and then we added the windowsill afterward.
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WilderSueden28 May 2023 11:11motorradsilke schrieb:
What do you plan to put in front of the XPS on the outside? You can't just leave it exposed.The plasterer will cover it with plaster. In front of that, there will be a dry well as a drainage strip. At first, I thought I would do it after the plasterer finished. But if the plasterer applies the plaster right away, that's even better, and I don’t have to worry about the transition.
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