Traditional fiberglass batts and rolls - the most common and widely available type of insulation- comes in a variety of materials and thicknesses.
Applications: Walls, floors and ceilings
R-Value: R 3-3.8 per inch
Benefits:
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Easy installation
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Low cost per square foot
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Available in widths suited to the standard spacing of walls, attics, rafters, and floor joists.
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Many options to suit your needs
Considerations:
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Not as efficient as other types of insulation
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R-value may decrease over time
Fiberglass Insulation
Blown-in fiberglass can conform to any space. Similarly to traditional batts and rolls, it also comes in a variety of materials and thicknesses.
Applications: Attics, enclosed walls
R-Value: R 3-3.8 per inch
Benefits:
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Conforms to any space
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Ability to fills in cracks and voids that batts/rolls are unable to fill
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Low cost per square foot
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Many options to suit your needs
Considerations:
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Not always applicable
