Open Cell Spray Insulation | Closed Cell | Comparison

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Compare Open Cell & Closed Cell Spray Foam Insulations

Compare Open Cell & Closed Cell Spray Foam Insulations

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Open cell spray insulation & closed cell spray foam insulation

Both closed cell spray foam and open cell spray foam insulation can be used effectively in commercial building designs to allow the building to achieve energy efficiency and consistent performance. When applied on the interior, open cell spray insulation provides performance advantages that differ from those of closed cell spray foam used on the exterior. Architectural firms can specify both the building envelope for a total performance option.[DP1] 

Closed cell spray foam exterior applications

  • Can be applied at very low temperatures (as low as 5oF)
  • Adds wall racking strength as well as impact resistance
  • Ideal for continuous insulation solutions
  • Higher R-value* per inch  – easier to accommodate high R-value* requirements in narrow spaces
  • Lower vapor permeance (can be a Class II VDR)
  • Can reject bulk water (ideal for flood zones)
  • Higher tensile and bond strength

Open cell spray foam interior applications

  • Can be installed at a significantly lower cost and target the same specified R-value*
  • Can achieve greater R-value* if not restricted by space
  • Lower raw material/resource use
  • Permits bi-directional drying
  • Will accommodate long-term creep and seasonal movement
  • Hydrophobic material
  • Air barrier and insulating material

Comparison Chart

 

Open Cell Spray Foam Closed Cell Spray Foam
Spray In Insulation and Air Barrier Material CHECKMARK-BENEFITS OF SPRAY FOAM I NSULATION CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
Vapor Barrier   CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
Vapor Permeability CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
Structural Reinforcement   CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
Able to deflect water and reject bulk water   CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
Able to accommodate seasonal shifting CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
Cannot sustain mold CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION
R-Value (at 1")* 3.7 6
Blowing Agent Water Chemical, Water
Suitability Interior Interior, Exterior
Sound Dampening CHECK MARK-BENEFITS OF ICYNENE SPRAY FOAM INSULATION  
Cost $ $$$

 

R means resistance to heat flow. The higher the R-value, the greater the insulating power. Compare insulation R-values before you buy. There are other factors to consider. The amount of insulation you need depends mainly on the climate you live in. Also, your fuel savings from insulation will depend upon the climate, the type and size of your house, the amount of insulation already in your house, and your fuel use patterns and family size. If you buy too much insulation, it will cost you more than what you'll save on fuel. To get the marked R-value, it is essential that this insulation be installed properly.

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