In most attics, insulation is used on the attic floor to insulate the ceiling from heat transfer. Spray Foam Insulation is used where traditional fiberglass batts, or cellulose is used.

In this application the foam is sprayed directly to floor of the attic between the rafter joists. Ideally the best way is to build the foam up and go over each joist creating a seamless, high R-value, moisture proof but most important, a complete air barrier blanket of foam.


Placing just 2 inches of spray foam insulation directly will stop heat transfer by 90% and 95% at 3 inches. Traditional insulation such as fiberglass or cellulose don't even come close and slowly deteriorate over time leaving an uninsulated area around the top of your walls.


When the floor over a crawlspace is poorly air sealed, air can leak through a number of locations, such as the band joists, structural framing, and knee walls. Air leaks can lead to a host of issues, such as cold floors, freezing pipes, and chilled duct runs that prevent the HVAC system from working properly. A poorly sealed floor cavity has a significantly reduced R-value. Air sealing the floor cavity properly is key. We completely seal the joists, subfloor as well as any penetrations in the floor with 2 pound closed cell spray foam at about 2-3 inches of foam which gives us a complete air seal and a 90-95% cut in heat transfer.


The most important thing to consider when finishing your basement is to make sure you insulate the space properly, or you are just going to create the perfect environment for mold and mildew to thrive. Exposure to mold and mildew can be dangerous to your health.

Most homeowners think insulation is important because it keeps the basement warm in winter, but it's even more important in the summer, when heat and humidity can cause a lot of moisture to build up.

Because basements are mostly underground, they have a unique situation with regard to air temperature. At the level of the basement floor the temperature remains fairly constant, just like the soil outside your foundation walls. However as you go up toward the ceiling, the temperature will rise. The temperature near the ceiling of your basement is always higher than at floor level. Warm air from inside your drywall will come into contact with the foundation walls behind the insulation. Warm air holds moisture, and this moisture will condensate when the air cools as it comes into contact with the cold exterior wall. This moisture will collect in your insulation, in your wood framing, and even pool at floor level behind your finished walls. Over time, this moisture will saturate the batt insulation to the point that water can drip down the walls and pool on to the floor.
When batt insulation gets exposed to water it's R-value drops to nearly zero and creates a perfect environment for mold and rot.

Basements are the perfect location for Spray Foam Insulation. It's the best possible insulation material for this unique area. Closed cell spray foam is perfect for sealing the moisture laden air that inherently wants to migrate from your basement living space to behind your walls.

Rim Joists/Headers

Fiberglass doesn’t stop air or moisture, stuffing batts between floor joists is a common method of insulating the rim joist in most homes, but it’s a severely flawed technique. Fiberglass works best in an enclosed space where it can trap air (between drywall/vapor barrier and the exterior sheathing). When fiberglass is used in a rim joist it cannot perform because air and moisture can move freely in and out of the building through wall penetrations like furnace, dryer, Hvac ducts, water and electric lines, as well as wood joints. This causes cold floors and condensation which will eventually lead to mold and rot. Not only does air and moisture move freely around the batts, but because the insulation is not enclosed, it moves freely through the fiberglass as well.

Spray Foam Insulation sticks to the surrounding surfaces. The closed cell foam expands and seals all the possible air infiltration points, stopping air and water vapor from entering or escaping. The foam expands to R7 per inch and insulates the cavity as well. Because the foam doesn’t allow air to move through it, it always performs at its full-rated R-value.

Cathedral Ceilings

In this application the spray foam is applied directly to the underside of the roof. Because of the foams high per inch R-value as well as being an air barrier at 1 inch and a vapor barrier at 2 inches this method is also very popular in half story retrofits because of the 2x4 cathedral ceiling rafters.


There are many uses for spray polyurethane foam insulation in the industrial sector. Some areas that benefit from spray polyurethane foam insulation include:
  • Tank and Storage Vessels
  • Truck Bodies – including refrigeration and freezer truck bodies
  • Rail car insulation
  • Pipelines
  • Roofing
  • Pipes and ducts


There are many uses for spray polyurethane foam insulation in the commercial sector. Some areas that benefit from spray polyurethane foam insulation include:

  • Cavity insulation in walls
  • Interior insulation for buildings
  • Roofing
  • Ceiling insulation for buildings
  • Pipes and ducts – including those underground
  • Air Barrier Systems for buildings
  • Under slab insulation for buildings
  • Retrofit building insulation applications – both interior and exterior
  • Freezers
  • Refrigerators
  • Display Coolers
  • Water Heaters

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