Wax pencil with thread tip

The clip-together straightedge consists of 3 sturdy profile aluminium parts of different lengths. Each part can be used separately and together gives a length of 4 metres.

Smoke pen for visualising air flows e.g. for locating leaks in and around the building

With this you attach the crack width or colour chart to walls and can easily remove it again without leaving any residue. Non-greasy.

A practical aid for recording defects in the building:
With the "room sheet", the condition of the doors, windows, walls, ceilings, floors, electrical and radiator installations, bathroom and kitchen fittings can be systematically recorded in writing for each room.