Pardulon release Concrete Shelter
From their website:
The first building in quite some time – a Concrete Shelter: depending on the furniture used or signs attached, this kit can be used to represent a wide variety of buildings, from storage rooms for explosives to guard houses to facilities for the discerning Post Apoc arms trader.
The door is removable, and the wall pieces are textured on both sides.
Height: 6.5 cm
Length: 9.7. cm
Width: 9.0 cm
Comes unpainted, unassembled and without miniatures, furniture and other terrain items.