Developers

5.2 Building MaterialBuilding materials often emit (out gas) volatile organic chemicals (VOCS) intothe air. Chemically sensitive people must wisely choose materials, whichhave low, or no VOCS. Selecting poplar or oak as hardwood, over pressedwood products which contain formaldehyde in the glue, is an example of awise choice. Selecting a tile or hardwood floor over a synthetic carpet wouldalso be preferred. A new or newly renovated home, which is made of'normal' building materials, can be very hazardous to the chemically sensitivepersonHardwood (Oak)Hardwood (Poplar)5.2.1 Galvanize - The connection of the roof covering must be given seriousattention. The corrugated galvanized sheet is the most commonly used roofcovering, therefore it is important to nail them carefully. If one of the sheetsis separated, it could form a chain reaction pulling the others with it, leavingthe exterior of the house exposed, thus risking the safety of the occupantsand causing damage to personal property.How Damage is OccursWinds, traveling in excess of 65 miles per hourcauses the sheeting to vibrate, pulling outthe nails at the edges. The sheets thenstart to roll up pulling out the restof the nails, one at a time.Zinc sheetinglifting from theraftersWhen this happens, either the nails are pulled out with the sheeting or theheads of the nails tear through the sheeting.50