Attic Insulation Cost Comparison: 4 New Better Life Changing Material

Attic Insulation Types and Costs Comparison

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Cost to  insulate an attic R-49 in per 1000 sq ft

• Cellulose $3200
• Fiberglass $2700
• Spray foam $8608

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Cellulose Insulation Costs Per Sq Foot Calculator

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• Attic insulation............................$2.30 Per Sq. Ft.
• Cathedral ceiling insulation.......$3.50 – 5.00 Per Sq. Ft.
• Flat roof insulation......................$3.50 – 5.00 Per Sq. Ft.
• Basement insulation...................$1.50 – 4.00 Per Sq. Ft.
• The exterior wall insulation........$1.50 – 4.50 Per Sq. Ft.
• Garage ceiling insulation............$3.50 – 5.00 Per Sq. Ft.
• Transition wall insulation............$2.50 – 4.00 Per Sq. Ft.
• Furnace room insulation.............$1.50 – 4.00 Per Sq. Ft.
• Crawl space insulation...............$2.50 – 4.50 Per Sq. Ft.
• Kitchen wall insulation................$1.50 – 4.50 Per Sq. Ft.
• Bathroom wall insulation............$1.50 – 4.50 Per Sq. Ft.

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• spray foam 1.65 per inch x sq ft
• cellulose on attic floor 2.50 per sq ft
• cellulose blown in walls / ceiling 2-4$ per sq ft
• mineral wool 4-5$ per sq ft
• fiberglass 1.90-2.40 per sq ft

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Why start with the attic?

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Since R-Value is measured in enclosed spaces, any air infiltration into the insulated cavity significantly reduces the intended R-Value.

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• Insulation labor and material
• Fire stop
• Air seal
• R-value to code
• Proper ventilation
• Cozy comfortable interior
• Pass occupancy inspections

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Attic Insulation Cost Advantages / Disadvantages

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• Cathedral ceiling
• Attic duct work
• Knee wall
• Vented attic
• Sidewall
• New construction sound dampening

Spray Foam Insulation Cost

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Fiberglass is rarely used except in basement walls.

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Basement Insulation - Mind the Moisture Barrier

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• Who will diagnose the current conditions of the home based on occupants experience with cold or drafty rooms in the winter and hot / humid 2nd floor bedrooms  and create an action plan for change? will install the insulation.
• What is the reason for choosing to add insulation / ventilation to your attic, exterior  walls, garage ceiling, basement, or crawlspace and what are the recommended R-values for areas you want to insulate.
• Where  you want improvements on the interior living space (home)  install/add insulation.
• Why types of insulation Cost Per Inch Vs. R-Value.

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