Here at concord carpenter we strongly recommend using closed cell spray foam to insulate a below grade basement wall.
Spray foam insulation for basement walls.
Spray foam is available in two different types.
In these cases both sides of the wall are up and you want to get an expanding foam inside without tearing down 1 side or the other.
Spray foam is probably the best possible insulation material for basements and damp areas.
Using closed cell spray foam to insulate a basement wall.
Spray foam insulation is in my opinion the best option for basement walls if you can afford it.
If there s nothing in the walls read slow rise below.
While not as common in that case injection foam would be used instead.
The average cost to have spray foam professionally installed is about 2 400 for a 1 600 sq.
Spray foam insulation is designed to fill all of the nooks and crannies wherever it is applied including your basement.
Closed cell spray polyurethane foam ccspf when installed properly by a trained professional can be the best defense against high moisture mold growth and heat loss.
T that s for top to bottom insulation from the basement to the attic including all exterior walls.
Use 2 3 inches closed cell foam it green for basement walls no one should use fiberglass to insulate a basement anymore.
Evaluating insulation options fred over at one project closer is preparing to insulate his basement in preparation for a new finished family area.
If spray foam is used then there s the decision between closed and open cell spray foams.
Basement spray foam insulation pros.
Identify cracks gaps and openings.
You want spray foam insulation in these walls but normally spray foam is sprayed as an expanding seal.
Spray foam creates an air barrier that will seal up your basement to stop the outside air from getting in.
In most cases spray foam insulation will be used in the basement walls unless the drywall has already been put up.
Use spray foam insulation as a quick and easy way to seal the gaps in your home that contribute to wasted energy.
Closed cell spray foam is perfect for locking out the water vapor that inherintely wants to migrate from your damp basement walls to your finished basement rooms.
Depending on where you live spray foam insulation in new construction for a 1 000 square foot home will cost an average of 5 000 7 000.
Open cell spray foam which is usually 1 00 to 1 20 per square foot and closed cell spray foam which is about 1 25 to 1 50 per square foot 1 by 12 x 12 area of coverage.
Foam it green closed cell spray foam is the quickest and easiest way to insulate any type of basement wall.
Fiberglass doesn t stop air water mold bugs rodents or radon.
Conditioned basement space has a never ending battle against moisture gain and heat loss.