Best Wall Insulation Products In The Market Today

By: Smart Zero Home
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Adequate wall insulation prevents heating and cooling losses, thus conserving energy, and ensuring maximum utilization of the Furnace & Air-Conditioning system. 

Spray foam insulation is the best option when retrofitting existing home walls, as it can be sprayed inside the wall cavity with minimal intrusion/holes.

Spray foam insulation provides the least intrusive option when retrofitting existing walls

Here are the best wall insulation products available in the market today, based on our analysis, and feedback from customers and contractors:

Company BASF Saint Gobain Dow R Tech Thermasheath
Rating* 9.6 9.5 9.5 8.8 9.6
Price** $33 $46 $341 / 32 lbs system pack $21 $26
Model & Details Spraytite closed cell Insulation and air barrier material CertainTeed Certa closed cell spray foam Froth-Pak Foam > spray foam insulation 310891 Rigid foam insulation W-N5150 Rigid foam insulation board
R Value /inch (insulation power) R 6.9 R 9.8 R 8.5 R 7.7 R 9.6
Product Link Click to get More Information & Buy Click to get More Information & Buy Click to get More Information & Buy Click to get More Information & Buy Click to get More Information & Buy

* Smart Zero Home overall rating based on customer and retailer feedback and our 5 parameter market analyses
** Price is the best price available online, and may include discounted/bargain prices that may not be available everywhere

 

Also see our post on Wall Insulation 101, and our pick of the best air sealing products in the market.