Complex sentence: Heat which is created elsewhere that is transported by means of a fluid, such as water or in our case air.Spray foam insulation's most important attribute is the ability to air seal creating a custom airtight envelope within the building structure.
Split into simpler sentences: Heat which is created elsewhere that is transported by means of a fluid, such as water or in our case air. As Stated above spray foam insulations most important attribute is the ability to air seal creating a custom airtight envelope within the building structure.