Feature Article

Exterior Paints: Long-Term Protection and Environmental Tradeoffs

Exterior coatings protect buildings from the environment but often contain hazardous ingredients, so maximizing their durability is often the greenest option.

Keim mineral silicate paints were used to protect the Radha Madhav Dham temple outside of Austin, Texas.

Photo: Keim Mineral Coatings

For many applications, there are no environmentally responsible alternatives to these products, so maximizing their durability is the best way to minimize their impact. This article explores what is in exterior paints and stains, their environ-mental tradeoffs, and how to prolong their service life.

Published May 31, 2012