Transcription of Learning the Difference Between 1/2-lb and 2-lb Spray ...
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Page 1 Learning the Difference Between 1/2-lb and 2-lb Spray Polyurethane Foam By Mason Knowles, Executive Director Spray Polyurethane Foam Alliance S pray polyurethane foam (SPF) has be-come popular for its insulation value and air barrier The plastic material comes in two basic types 1/2-lb and 2-lb and both are used in insulation applica-tions as barriers in buildings. Both of these foams also can help control condensation within buildings and have other environ-mental benefits. Architects/engineers (A/Es) need to under-stand how the two foams are different.
Page 1 Learning the Difference Between 1/2-lb and 2-lb Spray Polyurethane Foam By Mason Knowles, Executive Director Spray Polyurethane Foam Alliance
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