Designed for immediate insulation and weather protection on the job site, as well as long-term thermal performance, DuPont™ Thermax™ (ci) Exterior Insulation is a rigid foam board insulation with a glass-fiber-reinforced polyisocyanurate foam core that helps improve fire performance and dimensional stability.
What is the R-value of Thermax?
[2] Thermax Brand insulation has a higher R-Value at lower temperatures. At 40°F mean temperature and 1” board thickness, R-Value is 6.6, and for 2” board thickness, R-Value is 13.2.
What is Thermax used for?
Engineered for both concealed and exposed applications, DuPont™ Thermax™ Sheathing is an easy-to-use nonstructural rigid insulation board with a fiberglass-infused foam core that helps improve fire performance and dimensional stability.
What is Thermax material?
THERMAX™ Sheathing polyisocyanurate insulation is a non-structural, rigid board insulation consisting of a glass-fiber- reinforced polyisocyanurate foam core laminated between aluminum foil facers.
Is Thermax a vapor barrier?
This system eliminates the need for exterior gypsum sheathing, applied air/vapor barrier membranes, and extensive site coordination, making it both cost effective and easy to install.
Can Thermax be left exposed?
Thermax™ White Finish features an embossed white acrylic-coated aluminum facer on its exposed surface, for a clean, finished wall that is durable and washable. Thermax™ Brand products can be left exposed to the interior without a thermal barrier in most applications.
Is Thermax fire rated?
THERMAX™ Sheathing is specially designed to have a Class A fire rating and can be used in a range of concealed and exposed applications, above and below grade, and can be used in exterior walls.
Is foam board fire resistant?
While many modern foam insulating products do not themselves readily support combustion (that is they don’t catch fire and burn alone) they may give off thick acrid or toxic black smoke in a fire, making it difficult to safely exit the burning building.
Can you paint Thermax?
for Painting
If desired, THERMAX™ Sheathing and THERMAX™ White Finish insulation may be painted after installation and taping of joints.
What is the difference between pink and blue foam board?
Both are manufactured using the same process and contain similar chemical components. The two products also have the same insulating power. However, blue foam boards are manufactured by Dow Chemical Co. whereas the pink foam boards are manufactured by Owens Corning company.
What is the R value of blue board insulation?
Extruded polystyrene foam (XPS) also known as blue board or pink board comes in many different thicknesses and edge profiles. This insulation board is probably one of the most widely used foam board insulation products in the residential construction industry. XPS has an R value of 4.5 to 5.0 per inch of thickness.
Do you have to cover foam board insulation?
Rigid foam insulation, whether it is expanded or extruded polystyrene, does have to be covered if it is installed in the interior of a building. This wall covering must have a minimum fire rating to protect the insulation from quick combustion during a fire.
What is blue board insulation made of?
The most common types of material used to make foam board insulation include polystyrene, polyisocyanurate (polyiso), and polyurethane. Polystyrene is a colorless, transparent thermoplastic, according to the U.S. DOE.
What insulation does not need to be covered?
DuPont Thermax™ is a higher efficiency insulation that performs well in interior spaces. Since it doesn’t require a thermal barrier you can achieve a high R value without covering it and increasing wall thickness.
