Several different kinds of products are referred to as mastic.
Roofing white mastic.
Generally speaking roof mastics are sticky drying to a flexible rubbery finish after they are applied and allowed to cure.
Henry 289 elastocaulk is a white vinyl acrylic compound that s designed to seal seams and roof leak areas.
White cold applied trowel grade flashing mastic designed to seal the base edge of kee stone fb 60 flashing where it ties into the field of an sbs modified membrane roof system coal tar built up roofs and millennium roofs.
951 fibered eternamastic white elastomeric roof mastic fibered eternamastic is a fiber fortified durable white elastomeric roof sealant flashing compound developed to be a superior reflective material for new roofing re roofing and roof maintenance markets.
With its thick water based formula this compound is ready for top coating with a reflective white coating just hours after application.
Henry 289 elastocaulk will not crack craze or lose adhesion when applied as directed to a smooth clean sound roof surface.
Doesn t bleed through reflective coatings.
Henry 289 white roof sealant is a white elastomeric acrylic patching compound specially formulated for repairing and preventing roof leaks prior to coating with an acrylic reflective coating.
September 10 2020 roof mastic is a roofing product used to seal a roof so water cannot penetrate.