Natural Insulation

Natural Insulation sorted by R-value

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1. Alpaca Wool:

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1. Sheep Wool Insulation

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2. Cotton (Recycled Denim) Insulation

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3. Hemp Insulation

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4. Flax Insulation

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5. Cork Insulation

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6. Wood Fiber Insulation

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7. Straw Bale Insulation

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8. Cellulose Insulation (Recycled Paper)

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9. Coconut Fiber Insulation

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10. Earth or Clay Insulation (Adobe/Light Earth Construction)

Natural Insulation sorted by Sound Transmission Class:

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1. Hemp Insulation

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2. Alpaca & Sheep Wool Insulation

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3. Cotton (Recycled Denim) Insulation

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4. Wood Fiber Insulation

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5. Flax Insulation

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6. Cork Insulation

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7. Straw Bale Insulation

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8. Cellulose Insulation (Recycled Paper)

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9. Coconut Fiber Insulation

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10. Earth or Clay Insulation (Adobe/Light Earth Construction)

Sheep wool

Pro’s

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Natural and Sustainable:

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Excellent Thermal Insulation:

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Moisture Regulation:

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Fire Resistant:

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Non-Toxic and Safe to Handle:

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Sound Insulation:

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Durability:

Con’s

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Cost:

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Moisture Sensitivity:

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Requires Treatment for Pests and Fireproofing:

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Limited Availability:

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Lower R-Value per Inch:

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Potential for Compaction:

Raw sheep wool

Pro’s

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Natural State:

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Cost:

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Eco-Friendly:

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Moisture Regulation:

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Availability:

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How to clean it:

Con’s

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Pest Attraction:

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Lanolin Content:

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Cleaning and Preparation:

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Compaction Risk:

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Odor:

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Durability:

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How to evenly compact:

Hemp

Pro’s

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Sustainable and Renewable:

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Excellent Thermal Performance:

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Moisture Regulation:

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Mold and Pest Resistant:

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Safe to Handle:

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Carbon Sequestration:

Con’s

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Cost:

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Limited Availability:

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Fire Resistance:

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Settling Over Time:

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Processing Challenges:

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Difficult to cut

Flax

Pro’s

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Eco-Friendly:

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Non-Toxic:

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Moisture Regulation:

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Thermal and Acoustic Performance:

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Durability:

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Fire Resistance:

Con’s

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Lower R-Value:

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Higher Cost:

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Pest Vulnerability if Untreated:

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Moisture Retention Risks:

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Compression Over Time:

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Availability:

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Flame Retardants May Be Needed:

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