Once there is a room on the upper level you can add floor covering and a wall trim to the outer edge.
How to do flat roof sims 4.
Or you can place a hipped roof and flatten it completely.
How do i make a flat roof in sims 4.
A flat glass ceiling can however be created using the glass dancefloors that came with get together.
As you see here the half gabled roof remains slightly slanted even at its shortest height.
This room needs to be the shape and size of the desired roof so you may need to combine several empty rooms together.
There s lots of little hidden things when it comes to roofs hopefully this will help.
I ve tried that before when the seasons patch came out but it doesn t work for glass roofs it only works with some of the roof textures.
To add a flat roof to a building you will need to add an empty room on the upper level.
If you need a lighter color roof though the roof lines show on it and look odd.
Once there is a room on the upper level you can add floor covering and a wall trim to the outer edge.
Once its in place you can apply edging or fencing to give it some volume.
I ve don it before.
How to make better roofs.
The closest you can to a flat glass ceiling is by using the half gabled roof and making it as short as possible.
All someone would have to do for a flat glass roof is apply the roof pattern directly to the ceiling of the top floor without adding a roof.
Https www twitch tv lilsimsie more roofing tips.
If you then color it black and apply a strong roof trim you can achieve the modern look with a thicker roof than using the first option.