More Firestop Mortar Pictures under the Category:Firestop mortars.
Cross barrier in a German power plant.
Cross barrier fire test in Germany
Fire test with a firestop mortar.
Mortar being installed for a fire test at ULC
Nelson firestop mortar pump
Firestop mortar training for nuclear use
Putzmeister Gipsomat, often used for firestop mortar.