1. Foam board insulation involves utilization of rigid forms of different foam insulator in the market. These are usually panel type and involve chemicals in production. Three common types of foam board insulation are the Polyisocyanurate and Polyurethane, expanded polystyrene foam (EPS) and the extruded polystyrene foam (XPS).Polyisocyanurate and polyurethane are the most expensive type in foam board insulation; however this class also is deemed most effective in terms of thermal insulation.

2. Foamed Aluminum Panel and Factory Usually comes with a single or double foil (aluminum) facing, that further increase thermal insulation especially when it comes to radiant heat. With a foil face it is easier for fitting since more decent quality tapes adhere to the foil. Polyiso also exhibits to work under wide range of temperature,.which in some cases involves CFCs (chlorofluorocarbons) and HCFC (hydro chlorofluorocarbons). During the thermal drift, the reduction of R-value is observed and these ozone-layer damaging gasses enter the atmosphere.

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