Category: Credit: Oliver Wright

Broken window restrictor. Hook type.

Balcony. Timber decking.

Balcony. Timber decking.

Cavity barrier or “socks”. These are meant to be continuous to prevent the spread of fire.

Helibar repair. An excellent example of how not to do this type of work.

Glass tell-tale.

Slime mould. Enteridium lycoperdon (“false puffball”).

Unvented tumble dryer.

Salts test. This was testing for chlorides and nitrates.

Mathematical tiles. Side on view. The tiles are quite new and were fixed directly onto plywood sheathing.