Are some molds more hazardous than others?

What are the key elements of a roof?

The elements in the design of a roof are:

• the material
• the construction
• the durability

The material of a roof may range from banana leaves, wheaten straw or seagrass to laminated glass, copper (see: copper roofing), aluminium sheeting and pre-cast concrete. In many parts of the world ceramic tiles have been the predominant roofing material for centuries, if not millennia. Other roofing materials include asphalt, coal tar pitch, EPDM rubber, Hypalon, polyurethane foam, PVC, slate, Teflon fabric, TPO, and wood shakes and shingles.

What are the Key components of a roof?

Roof Component List

• Decking (or sheathing)
• Roof edge (or eaves edge)
• Attic
• Saddle
• Ridge
• Valley
• Underlay membrane
• Eaves membrane
• Underlay membrane
• Drip edge
• Roof vents
• Deflector
• Plumbing vent
• Flashing (joint covers)
• Shingles