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Roof- There is a wide variety of roofing materials available, and these vary in appearance, healthfulness, weight, life expectancy, and cost.
- Metal roofing is manufactured from a variety of different materials including copper, aluminum, steel, and stainless steel.
- From The Healthy House Answer Book: Answers to the 133 most commonly asked questions. Questions 40-47.
- From The Healthy House Answer Book: Answers to the 133 most commonly asked questions. Questions 11-21.
- Green roofs may be either extensive or intensive. Your site characteristics and objectives will determine which green roof is appropriate for your property.
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