From: New + Notable

The R-etro insulation system lets remodelers attach expanded polystyrene insulation to an existing building. The system, which has an R-value of 18, adapts to the shape of a building and around protrusions and openings, the company says, and it can be attached to any wall structure. After installation, the product serves as a fastening point for finish materials. 888.711.5625. www.r-etro.com.