DERBICOAT HP LAPFIX is a base sheet composed of an elastomeric bitumen blend, a glass / nonwoven polyester reinforcement, polyethylene on the underside & sand on the topside
DERBICOAT HP LAPFIX is characterised by the presence on the top side of a longitudinal
self-adhesive lap and underside a longitudinal bitumen lap both protected by a siliconized film
(width 10 cm).
DERBICOAT HP LAPFIX is a base sheet especially developed to be applied as a loosely laid or
mechanically fixed flame barrier on heat-sensitive supports and/or that are incompatible with coldbonding.