Glass wool is an insulating material made from glass fiber arranged using a binder into a texture similar to wool. The process traps many small pockets of air between the glass, and these small air po
Glass wool batt insulation
Installing glass wool batts as ceiling insulation
Mineral wool is any fibrous material formed by spinning or drawing molten mineral or rock materials such as slag and ceramics. It was first manufactured in the 19th century. Applications include therm
Mineral wool close-up
Mineral wool pipe covering applied to a steel pipe for a fire test
Common insulation applications in an apartment building
An article from the Niagara Districts Post-War Series published by The Standard in October 1946. The article is focused on Spun Rock Wools Limited in Thorold, Ontario. The plant used stone wool to manufacture thermal insulation.