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Found 33 results for the keyword(s) ‘R-Value’
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Article
LOOSE FILL POURED: POLYSTYRENE BEADS
Colour: WhiteThermal Resistance: RSI - .020/mm R - 2.8/in. FairCost: LowCapacity to dry out if wet: GoodFire Resistance: PoorFungus / Vermin Resistance: FairLimitations: -- Highly flammable. -- Very light and difficult to keep from blowing around during and after installation. -- Hi... -
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LOOSE FILL POURED: VERMICULITE
For the health controversy on Zonolite, click here. Vermiculite produced after 1990 has no asbestos in it. Because of the bad reputation it got with Zonolite it is not generally sold as insulation, although it is an excellent insulation with good fire resistance and easy pourability. You can fi... -
Article
LOOSE FILL POURED: CELLULOSE
Same Appearance and characteristics of Blown-in Cellulose, except:Thermal Resistance: RSI - .024/mm R - 3.4/in. GoodApplications: -- Attics, accessible enclosed cavities above ground level -
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LOOSE FILL POURED: MINERAL WOOL
Same appearance and characteristics of Blown-in Mineral Wool, except:Thermal Resistance: RSI - .021/mm R - 3.0/in. FairLimitations: -- Very thick layers may compress other insulation or overload weak ceilings.Applications: -- Attics. Accessible enclosed cavities with care and no obstruc... -
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LOOSE FILL POURED: GLASS FIBER
Same appearance and characteristics of Blown-in Glass Fiber except:Thermal Resistance: RSI - .021/mm R - 3.0/in. FairApplications:-- Attics. Accessible enclosed cavities with great care and no obstructions. It gets hung up very easily. -
Article
LOOSE FILL BLOWN IN: MINERAL WOOL
Common Name: Rock Wool loose fill.Colour: Brown or whiteThermal Resistance: RSI - .019/mm R - 2.7/in. FairCost: Medium plus blower.Capacity to dry out if wet: Good.Fire Resistance: Excellent.Fungus / Vermin Resistance: Good to excellent.Limitations: -- Skin irritant: wear long sle... -
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LOOSE FILL BLOWN IN: GLASS FIBER
Common Name: Fiberglass loose fill.Colour: Pink or yellow.Thermal Resistance: RSI - .020/mm R- 2.9/in. LowCost: medium plus blowerCapacity to dry out if wet: GoodFire Resistance: ExcellentFungus / Vermin Resistance: Good to excellent.Limitations: -- Long fibers prevent good flow in cl... -
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BATT OR BLANKET: GLASS FIBER / MINERAL WOOL
Common Names: Fiberglass, Rock WoolColour: Pink, yellow, beige, white or greyThermal Resistance: RSI - .022/mm R-3.2/in. FairCost: lowCapacity to dry out if wet: Good to excellentFire Resistance: Good to excellentFungus / Vermin Resistance: Good to excellentLimitations: -- Skin irrita... -
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TABLE OF INSULATING MATERIALS
This is a quick summary table of all the common types of thermal house insulation. You can find details on each material by looking up "insulation" then "types". -
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WHICH INSULATION SHOULD I USE?
There are so many different insulating materials that it is quite confusing. I have tried to pull together information on the most common types from the manufacturers, the critics, the contractors and the researchers. Usually this information seemed to me to be either too simplified or too ...