Sealection 500 open-cell, spray-applied, semi-rigid polyurethane foam is fully water-blown and delivers an R-value of 3.81 per inch. The companys premium product, Agribalance, is a water-blown open-cell foam that contains more than 10% renewable agricultural-based materials and delivers R-4.45 per inch. Both products are certified by Energy Star and EcoLogo. Finally, Heatlok Soy closed-cell foam is made of recycled plastic materials and renewable soy oils, and uses Enovate 3000, a blowing agent the firm says has a low GWP. It offers R-6.6 per inch and carries Energy Star, Air Barrier Association of America, and Greenguard certifications. Sealection Agribalance and Heatlok Soy meet Biobased Affirmative Procurement Program criteria. 877.336.4532. www.demilecusa.com.