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Found 33 results for the keyword(s) ‘R-Value’
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Article
BASEMENT: WHAT R VALUE SHOULD I HAVE?
For detailed R value recommendations, search keyword "R-Value" for the title "WHAT ARE THE RECOMMENDED INSULATION LEVELS?".Note that in the previous answer, some of the common options for basement insulation does not even meet the minimum recommendation of RSI - 2.1 (R-12). Manufactures of all... -
Article
FOAMED-IN-PLACE: UREA FORMALDEHYDE.
Aside from the controversy about health problems, this was a poor insulating material in the first place. It was initially given a high R rating, but was subsequently down graded sixty percent by the Canada Mortgage and Housing Corporation, because it tended to shrink and leave gaps in the i... -
Article
FOAMED-IN-PLACE: POLYMERIC FOAM
Colour: Orange, pink, yellowThermal Resistance: HighCost: It is expensive insulation but cheap caulking.Capacity to dry out if wet: FairFire Resistance: Poor. Produces toxic fumesFungus / Vermin Resistance: GoodLimitations: -- Expands on application and with age. Do not shoot into a total... -
Article
FOAMED-IN-PLACE: POLYURETHANE FOAM
Colour: Yellow - OrangeThermal Resistance: RSI - .042/mm R - 6.0/in. Very High.Cost: Professional application -- expensiveCapacity to dry out if wet: FairFire Resistance: Poor: produces toxic fumes.Fungus / Vermin Resistance: GoodLimitations: -- Difficult to control quality of field... -
Article
RIGID BOARD: RIGID GLASS FIBRE
Examples: BASECLAD from Fiberglas CanadaColour: PinkThermal Resistance: RSI - .030/mm R - 4.3/in. High.Cost: HighCapacity to dry out if wet: Excellent.Fire Resistance: GoodFungus / Vermin Resistance: GoodLimitations: -- Must not be installed in the ground unless it reaches all the w... -
Article
RIGID BOARD: SEMI-RIGID GLASS FIBER
Example: GLASCLAD from Fiberglas Canada -- but this product is no longer produced as of the summer of 2000.Colour: Pink with Tyvek house wrap covering.Thermal Resistance: RSI - .031/mm R - 4.4/in. HighCost: HighCapacity to dry out if wet: Excellent.Fire Resistance: GoodFungus / Vermin... -
Article
RIGID BOARD: PHENOLIC FOAM
Example: ESCLAD, a product of EssoThermal Resistance: RSI -- .030/mm R - 4.3/in. HighCost: highCapacity to dry out if wet: FairFire Resistance: GoodFungus / Vermin Resistance: Good.Limitations: -- Prone to moisture damage if soaked for periods of time. -- Somewhat brittle.Advantages: ... -
Article
RIGID BOARD: HIGH DENSITY EXPANDED POLYSTYRENE.
Same as Low Density Expanded Polystyrene, except:Common name: High density Bead BoardThermal Resistance: RSI - .028/mm R - 4.0/in. High.Cost: MediumAdvantages: -- It is less fragile than the low density bead board and can take higher compression pressures.Applications: -- Inside foundati... -
Article
RIGID BOARD: LOW DENSITY EXPANDED POLYSTYRENE
Common Name: Low Density Bead BoardColour: White and light blue with visible beadsThermal Resistance: RSI - .025/mm R - 3.6 /in. GoodCost: MediumFire Resistance: Poor. Gives off toxic gasFungus / Vermin Resistance: FairLimitations: -- Must be covered. It is a fire hazard if exposed on th... -
Article
LOOSE FILL POURED: WOOD SHAVINGS
Thermal Resistance: RSI - .017/mm R - 2.4/in. Low.Costs: Varies greatly but low.Capacity to dry out if wet: PoorFire Resistance: PoorFungus / Vermin Resistance: PoorLimitations: -- Quality varies considerably in both density, type and chemical additives. -- Settles too much for use i...