Huge concrete slab found in the kitchen ceiling whilst renovating c1870s house. Nothing of note from above, just a bedroom with standard floorboards with this underneath! What on earth could it's purpose
Everything You Need to Know About Concrete Slabs in Building Construction - The Constructor
Hanging punching bag to cement lower garage ceiling | DIY Home Improvement Forum
ETH Zurich makes lightweight concrete ceiling using 3D sand-printing
Hanging punching bag to cement lower garage ceiling | DIY Home Improvement Forum