• All insulation material must meet the requirements specified in the corresponding national standard
  • Except when insulation is not required to meet flame-spread ratings
• This is taken care of by the manufacturer in order to have their products approved for sale within Canada
• Be aware when new products come on the market
• Insulation in contact with the ground must not be effected by the action of soil and water
• It's insulation properties can not be reduced by moisture

9.25.2.2.(1) Except as required in Sentence (2), thermal insulation shall conform to the requirements of:

a) ASTM C 726, "Mineral Wool Roof Insulation Board,"

b) CAN/CGSB-51.25-M, "Thermal Insulation, Phenolic, Faced,"

c) CGSB 51-GP-27M, "Thermal Insulation, Polystyrene, Loose Fill,"

d) CAN/ULC-S701, "Thermal Insulation, Polystyrene, Boards and Pipe Covering,"

e) CAN/ULC-S702, "Mineral Fibre Thermal Insulation for Buildings,"

f) CAN/ULC-S703, "Cellulose Fibre Insulation for Buildings,"

g) CAN/ULC-S704, Thermal Insulation, Polyurethane and Polyisocyanurate, Boards, Faced,"

h) CAN/ULC-S705.1, "Thermal Insulation - Spray Applied Rigid Polyurethane Foam, Medium Density - Material - Specification," or

i) CAN/ULC-S706, "Wood Fibre Insulating Boards for Buildings."

9.25.2.2.(2) The flame-spread ratings requirements contained in the standards listed in Sentence (1) shall not apply.