How to use polyurethane foam wisely

Amazing things you can do using polyurethane foam

Hidden uses of spray foam that will surprise you

The full sheet PVC foam board is extremely lightweight and indispensable for watercolor painting as it does not absorb moisture. Black matte surface means no highlights or dirt will interfere with your painting process. Order it here: https://www.watercoloronline.com/product-page/pvc-foam-watercolor-board-for-full-sheet | Michael Solovyev Studio

How we use foam to lift concrete