Spray foam expands up to 100 times its original size to fill every corner of your home s envelope for thermal insulation and air sealing.
Is spray foam insulation better.
As you can see from the comparison table spray foam is not the best material for sound insulation.
And because it can insulate a house more effectively you won t have to spend as much on.
It s hard to perfectly install fiberglass and cellulose.
Regardless of which material you choose to insulate your home with any form of insulation is better than no insulation.
Open cell foam is full of cells that aren t completely encapsulated.
Spray foam insulation vs.
Unlike other kinds of insulation like cellulose spray foam provides better insulation because its fluid nature allows for it to go through tiny crevices.
The attic roofline is typically insulated with 5 nominal fill foam resulting in an r value close to 20.
This means that you can cover walls and ceilings more efficiently without doing too much work.
Spray foam can stop cold air from passing through your house while fiberglass can have air leakage that will.
This makes the foam a softer more flexable material.
Fiberglass traditional insulation comes in primarily two forms.
In general spray foam insulation will cost more than blown in blanket wall insulation with loose fill attic insulation r 40 as a standard.
A spray insulation is referred to open cell or closed cell because of the difference between the small bubbles cells that make up the foam.
If the hvac equipment and air ducts are in your attic it is better to install spray foam insulation specifically with open cell spray foam to protect the equipment and ducts.
Even though it was far more expensive they noted that it performs much better.
Both products are better than not having any insulation at all and they ve been used in homes for a long time now but by today s standard they simply don t stand up to the far more efficient option of polyurethane spray foam.
The four most important factors when choosing an insulation material for your home are r value soundproofing safety and cost.
In other words the cells are deliberatly left open.
Spray foam insulation has less market share but is increasing in popularity.
Spray foam is the better choice when it comes to long term cost and thermal resistance.
Cellulose for attic insulation.
Closed cell spray foam insulation has the lowest noise deadening ratings.
Open cell polyurethane spray foam performs better with noise reduction and comparable to fiberglass batten insulation.