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Nebraska City Roofing, Southeast Nebraska Roofing, spray foam insulation, foam insulation, spray insulation, spray foam insulation cost, spray foam insulation r value, closed cell spray foam, spray foam contractors, polyurethane spray foam insulation

Open and closed cell foam

In most of our applications we use closed cell foam for the following reasons.  Closed cell foam has a higher R-Value than open cell foam. Depending on the manufacturer R-Values range from an R-6 to an R-7 per inch for closed cell foam while open cell ranges from R-3 to R-4 per inch. While still having some of the characteristics as closed cell foam the open cell is still not as good as closed cell that’s why we primarily use closed cell.   Closed cell foam adds strength to the structure it is being applied to.  It also serves as a moisture barrier along with being a great sound proofer.  We do use open cell foam in certain applications.

Air moves in and out of a building through every hole, crack and crevice. Roughly one third of air infiltrates through walls, ceiling, and floors. Adding an advanced insulation system is necessary to achieve optimal building performance.  SPF (spray polyurethane foam) is an advanced insulation system. Spray foam insulation can maximize a building or home owners’ investment by sealing the building envelope to stop conditioned indoor air from escaping and prevent unconditioned air from entering a home. Air exchange in and out of a home is a leading cause of escalated energy bills. The mechanical systems that heat and cool buildings are continuously operating; reducing extreme temperature variations saves on the overuse of mechanical systems and leads to lower energy bills.


Why use spray foam?

  • Spray foam can pay for itself in as little as 3 -5years depending on application.
  • Spray foam is an excellent insulator that outperforms most everything in its class.
  • Stops drafts
  • Reduces outside noise dramatically
  • Reduces inside noise if used in interior walls
  • Reduces the potential of MOLD, MILDEW, and other AIRBORNE ALLERGENS!
  • Spray foam will not settle, sag or deteriorate over time as will other insulation materials.
  • Reduces the size of HVAC units needed and the wear put on them.
  • Non-Toxic making it safer and environmentally friendly
  • Works as a vapor barrier
  • Can add up to 30% structural integrity to the project


Commonly Asked Questions

Q: Which foam do I need open or closed cell?
A: Depending on your project and budget one or both foams may be suitable for your needs and that we will help you decide.

Q: How is the foam applied?
A: Spray foam is applied with a plural component pump system that heats the raw material as its being pumped to the spray gun. Here it will be mixed just before it is turned into a spray that will be sprayed into or onto your substrate being that a wall cavity or roof deck.

Q: Will foam make my house to airtight?
A: No studies show that foam will breathe while at the same time stop drafts and moisture making it a great vapor barrier.

Q: What if I need to work on plumbing or electrical after my home has been foamed?
A: Foam is very easy to cut and remove if needed and can be replaced just as easy.

Q: Will mice or bugs eat the foam?
A: No there is nothing in foam that attracts pests or bugs.

Q: Can I install spray foam myself?
A: NO it takes training, expensive equipment and the know how to properly run the equipment and apply the product.




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