HOT BALL - Stainless steel hot ball - Diam. 35 mm

To make a 40 mm diameter channel on insulating materials behind plasterboard without damaging them.Perfect to make your multimedia connections, switch and socket installations invisible.Time-saving = no need to groove the wall and to repaint it.STEP 1 : drill two 40 mm diameter holes on the plasterboard, in vertical way to each other with maximum 2,50 m width.STEP 2 : heat the hot ball with welding torch during 5 minutes.STEP 3 : insert the hot ball into the hole above. The hot ball melts the polystyrene to make a channel connecting the 2 holes.