Polystyrene or injected foam insulation: which one is better?



I’m replacing my wood garage door (which is attached to my home) with a steel door (because it’s cheaper), but I don’t know which insulation to use. Home Depot offers the board insulation and another company is offering the injected foam insulation. Which one should I use.

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2 Responses to “Polystyrene or injected foam insulation: which one is better?”

  1. Comment by lisetrise

    You might get more specific guidance from the following web pages about insulation and insulation materials:
    http://www.building-your-green-home.com/types-of-insulation.html
    http://www.building-your-green-home.com/insulation-materials.html

    Hope this helps!

  2. Comment by ?

    i would go with home depot.i had my old house done with the foam insulation and it did not make tat much of a difference to me that i seen.i would go with the board insulation.