Flat Roof

Eman · ‎2018-12-19

Hi guys,

I am really liking ArchiCad 😉

I have another little problem how to apply a flat roof? I can apply a slab easily but I cannot apply a flat roof with same method as the slab!

Thanks,

Eman / Draftsman
Works at an Architects Company using ArchiCad 21
Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz 3.19 GHz, 8.00 GB, 64-bit operating system, x64-based processor

Eduardo Rolon · ‎2018-12-19

Flat roofs are done with slabs not with the roof tool.

Eduardo Rolón AIA NCARB
AC28 US/INT -> AC08

Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator

Eman · ‎2018-12-20

Hi Ejrolon

Hmmmm OK thanks very much

Eman / Draftsman
Works at an Architects Company using ArchiCad 21
Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz 3.19 GHz, 8.00 GB, 64-bit operating system, x64-based processor

Szabolcs Miko · ‎2018-12-20

That only means that you model them with the Slab tool. You can Classify them as Roofs though, in order to have it's property set.

Szabolcs Mikó

Education Program Manager

DGSketcher · ‎2018-12-20

Roofs can be drawn with positive or negative gradients which includes flat or 0 degrees.

Slabs are used where you do not need a slope e.g. floors

Apple iMac Intel i9 / macOS Sonoma / AC27UKI (most recent builds.. if they work)

Tim Ball · ‎2018-12-20

Flat roofs are not flat in regions that have rain. So use the roof tool with a shallow pitch

Tim Ball

AC26, iMac

User since V5

Eduardo Rolon · ‎2018-12-20

But flat roofs are flat underneath so use the slab tool and if necessary use a mesh to get the rise as you need.

Eduardo Rolón AIA NCARB
AC28 US/INT -> AC08

Macbook Pro M1 Max 64GB ram, OS X 10.XX latest
another Moderator

DGSketcher · ‎2018-12-20

Eman - As you can see from the posts above, Archicad is a very flexible tool and there are many different ways to do things. Learn what the tools do first and then when you get stuck, the members of this very helpful community will hopefully point you in the right direction.

Apple iMac Intel i9 / macOS Sonoma / AC27UKI (most recent builds.. if they work)

Tim Ball · ‎2018-12-30

At working drawing stage I use a pitched roof for the covering and firrings zone, SEO cut by a slab below that is the actual roof structure and ceiling

Tim Ball

AC26, iMac

User since V5

Laszlo Nagy · ‎2018-12-31

Years ago I wrote an article about this for GRAPHISOFT. Here it is:

https://helpcenter.graphisoft.com/knowledgebase/25582/

Loving Archicad since 1995 - Find Archicad Tips at x.com/laszlonagy
AMD Ryzen9 5900X CPU, 64 GB RAM 3600 MHz, Nvidia GTX 1060 6GB, 500 GB NVMe SSD
2x28" (2560x1440), Windows 10 PRO ENG, Ac20-Ac28

Flat Roof

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