Class 0 Closed Cell Foam and Open Cell Foam with Glass Fiber Foil Blanket Welcome to our class 0 closed cell and open cell foam blog, here we will look at the uses for this product when combined with a glass fiber foil blanket on top. This provides heat protection and acoustic performance. Potential uses: Marine ducting and pipework Automotive engine bays Tractor and construction equipment engine bays HVAC and ductwork Machine enclosures The glass fiber foil laminate product you are left with is