# Is there a way to build over open air tiles?

**URL:** <https://discourse.cataclysmdda.org/t/is-there-a-way-to-build-over-open-air-tiles/20564>\
**Category:** The Bunker\
**Created:** [June 26, 2019, 10:41pm UTC](https://discourse.cataclysmdda.org/t/is-there-a-way-to-build-over-open-air-tiles/20564 "2019-06-26T22:41:07Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![CardinalMecha](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/cardinalmecha/32/6524_2.png) [@CardinalMecha](https://discourse.cataclysmdda.org/u/CardinalMecha)\
**Post date:** [June 26, 2019, 10:41pm UTC](https://discourse.cataclysmdda.org/t/is-there-a-way-to-build-over-open-air-tiles/20564/1 "2019-06-26T22:41:07Z")

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Hi! I’m currently holed up in an apartment tower from the “Trapped on Rooftop” start. I’ve got a lot of supplies so far and have been wanting to expand the apartment outwards.

The problem is I’m on the second to top floor and the way I want to build is over open air tiles which won’t let me construct wooden flooring on them. Do I need to build from the ground up first or am I just doing it wrong or am I just able to not do that. Any help would be appreciated! Thank you!

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**Author:** ![Zhilkin](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/zhilkin/32/3749_2.png) [@Zhilkin](https://discourse.cataclysmdda.org/u/Zhilkin)\
**Post date:** [June 27, 2019, 9:14am UTC](https://discourse.cataclysmdda.org/t/is-there-a-way-to-build-over-open-air-tiles/20564/2 "2019-06-27T09:14:43Z")

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There are no constructions that could be built on top of open air. It is possible to add them though.

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**Author:** ![Mantar](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/mantar/32/42_2.png) [@Mantar](https://discourse.cataclysmdda.org/u/Mantar)\
**Post date:** [June 27, 2019, 5:13pm UTC](https://discourse.cataclysmdda.org/t/is-there-a-way-to-build-over-open-air-tiles/20564/3 "2019-06-27T17:13:08Z")

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In the meantime you can build a vehicle. Aisles make a pretty nice bridge.

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**Author:** ![CardinalMecha](https://sea2.discourse-cdn.com/flex016/user_avatar/discourse.cataclysmdda.org/cardinalmecha/32/6524_2.png) [@CardinalMecha](https://discourse.cataclysmdda.org/u/CardinalMecha)\
**Post date:** [July 4, 2019, 7:36am UTC](https://discourse.cataclysmdda.org/t/is-there-a-way-to-build-over-open-air-tiles/20564/4 "2019-07-04T07:36:26Z")

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Thank you for the replies! Yeah I might try the aisle idea! Thank you!