XWHaven Closed Cell Foam Sheet vs TroyStudio Sound Proof PEF Foam Sheet

Both are closed-cell foam sheets for sound deadening and heat insulation, but they suit different jobs. The XWHaven sheet is thicker and sold as a single 30 x 50 cm panel, so it fits small, flat spots like door skins, under seats and trunk floors. The TroyStudio roll is thinner, foil-faced and much longer, so it covers more area in one piece and handles radiant heat better. For pure vibration damping on panels, the thicker XWHaven foam does more; for wrapping ducts, lining a large area or blocking radiant heat, the TroyStudio roll is the more practical pick.

• Choose the XWHaven sheet if you need a thick, compressible pad for a small area like a door panel, under a seat or a trunk floor and want to cut it to shape.
• Choose the TroyStudio roll if you are covering a larger area in one continuous piece or need a foil face to reflect heat, such as on HVAC ducts or a firewall.