DescriptionDave oldroyd 3m fire barrier mortar.jpg Firestop mortar installation in a Paper mill in Northern Ontario, Canada, in a cable tray penetration...
DescriptionDave oldroyd 3m fire barrier mortar 2.jpg Firestop mortar being installed at Canadian Pulp and Paper Mill inside aluminium cable tray through-penetrations...
DescriptionDave oldroyd mixing 3m fire barrier mortar st marys pulp.jpg English: Firestop mortar being mixed prior to installation in a cable tray penetration...
