1. ROOFING MATERIALS, INSULATION, AND HOUSING SYSTEMS

2. Roofing Materials: provide a watertight protective layer for the house

3. Most common used Thin Help keep houses in warmer climates cool. Asphalt Shingles

4. Asphalt Shingle Roof

5. Thick Must be treated with fire retardant and decay- resistant chemicals Expensive. Wood Shingles (Shakes)

6. Cedar Shake Roof

7. Slate and Tile Used more often in warmer climates Very heavy; requires extra, stronger support Very durable Very expensive.

8. Slate Roof

9. Tile Roof

10. Aluminum, tin- plated steel or copper Mid-priced. Metal

11. Metal Roof

13. Copper Roof over Bay Window