Both are manufactured using the same process and contain similar chemical components. The two products also have the same insulating power. However, blue foam boards are manufactured by Dow Chemical Co. whereas the pink foam boards are manufactured by Owens Corning company.
What is the R-value of 1 1 2 foam board?
R-5.78 Rigid Foam Insulation.
What is cheaper than foam board?
Mineral-filled polypropylene is one of the least expensive styrofoam alternative options. In fact, it is the least expensive sustainable alternative.
Is foam board a good insulator?
Foam board insulation provides good thermal resistance and reduce heat conduction through structural elements, such as wood and steel studs, according to the U.S. DOE.
Do you need a vapor barrier with rigid foam insulation?
Foam insulation usually does not require a vapor barrier. For some foam insulation types, such as closed-cell spray foam and foam board insulation, the insulation itself stops the movement of most water vapor.
What is the R-value of 2 inch blue Styrofoam?
A wall utilizing STYROFOAM T-MASS Technology with a 2-inch exterior layer and a 4-inch interior layer of concrete along with a 2-inch layer of STYROFOAM extruded polystyrene insulation would result in a material R-value of approximately 11.33.
What sizes do insulation boards come in?
It comes in standard-size 4×8 sheets, and smaller sizes, in many different thicknesses from 1/4 inch to 2 inches. Some types of thicker foam board insulation are available, but they may need to be special ordered. Foam board insulation is easy to use and is a great DIY way to add some insulation.
Which foam board insulation is best?
Polyisocyanurate: Known as polyiso for short, polyisocyanurate foam has the highest R-value per inch (R-6.5 to R-6.8) of any rigid insulation.
What is the R-value of 1.5 inch foam board?
Thickness: 1.5 inch. Sheet Size: 4′ x 8′ R Value: 7.5. Edge Shape: Square.
What is the R-value of 4 inch foam board?
Expanded polystyrene foam (EPS) is the cheapest and least used foam board product on the market. This product typically has an R value of 3.6 to 4.0 per inch of thickness.
Why is Styrofoam being banned?
Oftentimes, polystyrene foam products will break down into small pieces that and fragments that then pollute our land and waterways; fish and land animals will mistakenly eat these small bits and pieces of polystyrene foam and fall ill or die as a result.
What is stronger than foam board?
Gator Board is much stronger than regular foam board, but is about the same weight. Gator Board has a very rigid poly surface which is resistant to moisture, unlike foam board which is foam covered with lightweight paper stock.
What is sturdier than foam board?
PVC material is the most durable and densest of the three. It represents from itself foamed polyvinyl chloride. This material is often referred to as Sintra board, Foamex, Vinyl, PVC foam as well. Because of its comparatively rigid structure PVC can be used for long-term indoor or mid-term outdoor applications.
Can you use foam board instead of OSB?
OSB Replacement. Styrofoam Residential Sheathing offers a lightweight, efficient sheathing alternative to high-priced OSB panels. One solution: Specify rigid Styrofoam Residential Sheathing instead of OSB, for sections of the home that can be brought to code with other stiffening measures.
How thick should foam board insulation be?
Most panels range between 3/8″ and 2.5″ in thickness, though other dimensions and thicknesses are usually available through custom order.
How do you cut foam board?
As before, the best way to cut foam board involves cutting at as much of an angle as possible, and you should also avoid sawing at the foam board. You should also use an extra-long blade for this. Doing so will make sure that the knife can reach all the way through at the angle you are cutting at with length to spare.
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