Johns Manville Canada Inc.

Sexton Supplier.

Johns Manville, a Berkshire Hathaway company, is a leading manufacturer and marketer of premium-quality building insulation, commercial roofing, roof insulation, and specialty products for commercial, industrial and residential applications.

We manufacture premium-quality insulation for commercial, industrial and residential applications.


Building InsulationJohns Manville is much more than a source for residential and commercial insulation. We are a dedicated industry partner. Our complete line of innovative insulation products includes:

  • Formaldehyde-­free™ fiberglass batts,rolls and blow-­in
  • Spray polyurethanefoam
  • Polyiso foam sheathing board
  • Mineral wool

In addition to delivering well-­made, reliable products, we are here to provide exceptional customer service and technical assistance to help ensure that your jobs are done right — from start to finish.