subfloor insulation

What is Foam Board Insulation?

Raleigh Insulation

EcoMaster rigid insulation board is one of the best tools to reduce your energy costs.

Heat is the transition of energy from one system to another, due to the difference in temperature, which occurs in three different ways, that are conduction, convection and radiation.

EcoMaster foam board / rigid insulation attacks 3 critical areas of energy efficiency; conduction, convection and radiation.

While conduction is the transfer of heat energy by direct contact, convection is the movement of heat by actual motion of matter; radiation is the transfer of energy with the help of electromagnetic waves.

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Why Foam Board / Rigid Insulation?

Radiant Barriers and Reflective Insulation Systems

Unlike most common insulation systems, which resist conductive and sometimes convective heat flow, radiant barriers and reflective insulation work by reflecting radiant heat. Radiant barriers are installed in homes -- usually in attics -- primarily to reduce summer heat gain, which helps lower cooling costs. Reflective insulation incorporates radiant barriers -- typically highly reflective aluminum foils -- into insulation systems that can include a variety of backings, such as kraft paper, plastic film, polyethylene bubbles, or cardboard, as well as thermal insulation materials.

To be effective, it must face an air space.


Our Rigid Foam Board Insulation has Built-in Radiant Barrier


Foam board insulation consists of rigid panels of insulation that are made of either polystyrene, polyisocyanurate, and polyurethane, according to the U.S. Department of Energy.

Foam board can be used to insulate any exposed cavity in your home from roof down to the foundation, and even the walls if you are remodeling and the drywall is down.

They are very effective in exterior wall sheathing, interior sheathing for basement walls, and special applications such as attic hatches. They provide good thermal resistance (up to 2 times greater than most other insulating materials of the same thickness), and reduce heat conduction through structural elements, like wood and steel studs. 

Reflective Foam Board Insulation

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