Guides
A regional guide to natural insulation in hot-humid and cold-dry US climates
Natural insulation US climates guide: hemp, wood fiber and cork R-values, moisture detailing and vapor control across IECC zones, with regional picks for builders.
Topic
cork
Features
How US tariffs and domestic supply set recycled and natural material prices
US tariffs recycled material prices hinge on Section 301 rates, domestic cork and bamboo capacity, and freight rates that shape quotes for buyers.