As long as care is also taken in the choice of preservatives, paints and stains, timber windows are by far the best environmental choice. Other Polymers - In Berlin, where PVC restrictions on building are in force, new polyolefin windows from were installed by the City Council in May 1996. Ceramic tiles and marble are highly durable. Stone and terrazos are also traditional, durable materials. When a softer floor surface is required, wood, cork and linoleum can be used.
Cork is indigenous to the Mediterranean region.
It is hard- wearing, very sound absorbent and popular because it is agreeable to walk on due to reflection of warmth and its natural bounce. Cork floor coverings are available with untreated or sealed surfaces. Wood - Wood is a natural alternative to PVC flooring which is very durable and can be renovated by planing or sanding. Increasingly, reclaimed wood floors are available. If using new wood it is important to source wood from certified forests where clear-cutting and other environmentally damaging practises are banned.