Spray Foam vs. Rigid Foam

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Spray foam insulation is a high-quality product with a unique advantage - it doesn’t have to be cut or altered in any way thanks to its open-cell structure. It can also provide air sealing and higher insulation value than other types of insulation. It has been around for a while, but new developments have made it even better.

The studies on foam spray in homes have shown that it does outperform and is worth the time and effort in understanding their differences. Closed-cell foam needs two parts to mix together, while open-cell foam mixes up with any other product.

There are different thicknesses of rigid insulation boards which raise the question, which one should you choose? Spray Foam Insulation Today knows how to save energy better than anybody.

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Pros and Cons

PROS - Two Component Spray Foam

  • This product combines the one-two punch of air sealing and also insulation. The expansion of the foam fills in gaps or cracks.
  • The higher R-Value- 7 per inch- results from a mixture
  • Installs Quickly
  • The superior adhesive of spray foam ensures that it will not shift, settle or get out of place.

CONS - Spray Foam

  • The foamy insulation material can become very messy and intimidating. If it is oversprayed, the foam needs to be removed.
  • Before installation you should always take the necessary precautions of wearing protective clothing and a respirator.
  • There can be problems with the curing of foam in cold conditions.
  • The insulation performance of an R-Value can change over time

PROS- Rigid Foam Insulation

  • Easy to work with
  • You don't need any protective equipment for this task.
  • If you seal the seams between each of the panels with tape, provide both insulation & air sealing.
  • Does not make much mess
  • There are a number of different thicknesses and R-Value needs that you can select from.
  • Panel that can be cut and installed in any temperature
  • The products are safe to use and are non-toxic.
  • This product is ideal for use in crawl spaces and basement walls.
  • Some designs also include a radiant barrier for additional energy savings

CONS- Rigid Foam Insulation

  • The R value of a rigid foam can vary greatly depending on the type of foam in question. For exmaple, the R value can go from 3.8 per inch to 8 per inch.
  • Maybe a little bit more time consuming than using spray foam, but not always.
  • There might be times when only a single component type of spray foam is necessary on the edges of the rigid foam. This will seal off the panel and hold it in place.
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