Insulation Cost Per Square Foot

How Much Is The Insulation Cost Per Square Foot

Insulation Cost Per Square FootEvery property needs to be insulated. The quality of insulation will obviously depend on the needs of a particular property, the location and local climate as well as the budget that a property owner can spare. Thus, all such factors will influence the insulation cost per square foot.

Here is a generic guide to insulation cost per square foot. Please note that the exact cost will depend on where you live, who you hire to get the insulation installed, the challenges in your property from the perspective of installation and what brand and material you choose to insulate the property.

  • For insulation that has an R value of about 3 to a bit more than 4 per inch of thickness will cost about half a dollar per square foot. This kind of insulation is best for unfinished walls, ceilings and floors. This is also the most inexpensive. There are certain shortcomings with this type of insulation. You may have to get rid of drywall or any kind of exterior sheathing that the walls have. Also, there will be a moisture problem with this type of insulation so you may need a vapor retarder, especially in colder regions.
  • For insulation that has an R value of about 3.5 to 6.5 per inch of thickness, the insulation cost per square foot would be anywhere from $1.50 to $3. This type of insulation is airtight and you don’t need any vapor retarder. Professional installation is recommended and it can be a tad expensive depending on how much material you need.
  • For R value of 4 to 6.5 per inch of thickness, the insulation will cost you about $0.65 per square foot. This is good for exterior walls, foundations, low sloped roofs and it additionally provides some structural support. This insulation can be used in conjunction with other insulating materials in very cold regions or very hot climates. Waterproofing and gypsum boards are necessary for this kind of insulation.
  • Insulation that has an R value of about 3.4 to 3.7 per inch of thickness will cost you $1 for normal walls and about $0.15 in attics. This type of insulation works well for interior walls. It is eco friendly and can resist moisture and fire.

The insulation cost per square foot will depend on the brand you choose and the professional you hire to install the material. Any kind of prepping or challenges during installation will incur additional costs.

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