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Found 33 results for the keyword ‘R-Value’

  • Why is Celotex insulation not seen much in Canada?

    Gordon from Montreal writes asking about the use of Celotex foam insulation (with aluminium foil cladding on both sides- 4 X 8 sheets). He writes: "For your information, the Celotex product is considered by many, to be a premium insulator for residential installations. Ironically it is made in C...
  • LOOSE FILL BLOWN IN: CELLULOSE

    Common Name: Cellulose Fiber, ground up newspapers. Colour: Grey or white. Thermal Resistance: RSI - .025/mm R - 3.6/in. Good Cost: Lowest plus blower. (The only blowers that can be rented by homeowners) Capacity to dry out if wet: Fair to poor Fire Resistance: Good to Fair (Borax can leach ...
  • RIGID BOARD: EXTRUDED POLYSTYRENE

    Example: Styrofoam products by Dow (by the way, Styrofoam is a Dow Chemical brand name and not a generic term for foam insulation). Colour: Blue (Dow) or Pink (Celfort) Thermal Resistance: RSI - .035/mm R - 5.0/in. Very high. Cost: high Capacity to dry out if wet: Won't get wet Fire Resistan...