Rigid Insulation Boards

Packing R-Value Right into the Panel

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Rigid Insulation Boards might appear strange to the unassuming consumer. The colorful fluffy or foamy elements are not present.  Rigid boards also contain cellulose and are a green solution to save on home energy costs.   Polyisocyanurate, Extruded polystyrene, and expanded polystyrene boards are the three types generally used for rigid foam insulation. It is important to understand that rigid foam has to be sealed on the corners and edges to be effective. This is usually completed with both spray foam and tape.  The Rigid foam itself usually has to be cut to fit and be wedged into place. This is called a friction fit. It can also be glued with spray foam, caulk, and a type of panel adhesive.  It is easily cut with a knife or saw.  The size of the panel varies also. The most common panels are   2 ft. by 8 ft. and 4 ft. by 8 ft.  The greatest advantage of rigid foam is that it will not shift or move out of place. When looking at the cost based on R-Value, rigid foam is costlier than fiberglass or cellulose, and a more daunting task to install.

  • Polyisocyanurate(a.k.a. polyiso)

R-Value: 6.5-6.8 per inch- This is the most expensive of the rigid foam types, but is also equipped with a ridged foil and has the highest R-Value

  • Expanded Polystyrene Boards(EPS)

R-Value 3.8 inches) This is the lowest price board which can also the most susceptible to damage.

  • Extruded polystyrene(XPS)-

R-Value 5 per inch- This type of rigid board is stronger than expanded Polystyrene and does not soak in water.  It is in the middle price level and most workable type of foam

 

 

Let the Home Insulators decide what is best for you with a Home Energy Assessment. This comprehensive process will help you decide the right R-Value for your home and if rigid boards are right for you. In the long run we will maximize your home energy savings.

FREE ENERGY AUDIT AND ESTIMATE

SCHEDULE YOUR FREE ENERGY AUDIT AND FREE ESTIMATE.

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