Pir/Celotex Barbed Hanger & Mushroom Fixing

To aid fixing pir insulation board to a garage ceiling with asbestos corrugated roof with 25mm angle iron frame. The hanger simply hooks on the angle iron edge & held in place on the barbs leaving the thread hanging down to go through the pir insulation board & held up by threading the mushroom in place. this system avoids any disturbance of the asbestos. May need to use a tap & die to clear threads.