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What is spray foam insulation?

Spray foam (Spray Polyurethane Foam, SPF) is powerful spray-applied plastic insulation widely used in construction to make buildings more energy-efficient and comfortable. It is used to air seal walls, roofs, and other surfaces. SPF insulation resists heat transfer very well and is also very effective in reducing unwanted air infiltration through cracks or seams.

What type of spray foam insulation do we use at Copia?

For closed-cell, we use Natural Polymers' Natural-Therm® 2.0 IBS/IBW Series closed-cell polyurethane spray foam. This product provides:

  • A higher R-value per inch at R-6.7 per 1"
  • Meets the California air quality standard CA01350
  • Is GreenGuard Gold certified for low emissions
  • A Zero Ozone-depleting Bio-Preferred insulation with low global warming potential and a low VOC signature
  • The strongest polyurethane structure

For open-cell, we use Natural Polymers' Natural-Therm® 0.50 open-cell polyurethane spray foam. This product provides:

  • An R-value of R-3.7 per 1"
  • Meets the California air quality standard CA01350
  • Is GreenGuard Gold certified for low emissions
  • Contains a low VOC signature

What does R-value mean?

R-value is the measurement of how well the insulation can resist temperature. The higher the number, the higher the resistance. The R-value is an important measurement to keep in mind. Spray polyurethane foam effectively prevents the following heat transfer methods from happening: conduction, convection, radiation, air infiltration, air intrusion, moisture accumulation.

Why choose spray foam?

SPF insulation holds a high R-value while its expansive properties give it the ability to fill in gaps and holes that may be difficult to seal with other insulation methods. When properly applied, spray foam insulation can provide the following benefits over other methods. 

Spray foam insulation will effectively:

  • resist mold, fungus, and bacteria
  • establish an effective sound barrier
  • fill in cracks and crevices
  • provide an effective barrier for rodents and other pests
  • allows a healthier indoor environment
  • reduce air infiltration
  • control moisture
  • will not settle over time
  • reduce greenhouse gas emissions related to home heating and cooling



How will I save money by using spray foam?

By reducing heat loss or gain and eliminating air leaks, your home efficiency is greatly improved. This means lower energy bills for you. An average home that has been insulated and air sealed with spray foam will see an average of 5,638kWh per year over the same home insulated with other products.

We currently serve the following towns:


Abington                                                Halifax                                                 Plymouth

Avon                                                       Hanson                                                Plympton

Braintree                                               Hanover                                              Quincy

Bridgewater                                          Hingham                                             Randolph

Brockton                                                Holbrook                                            Raynham

Canton                                                   Hull                                                      Rockland

Carver                                                    Kingston                                              Scituate

Cohasset                                               Marshfield                                           Sharon

Duxbury                                                Milton                                                   South Weymouth

East Bridgewater                                 North Weymouth                               Stoughton

Easton                                                   Norwell                                                West Bridgewater

East Weymouth                                   Pembroke                                           Whitman