Doesn't sag or settle over time?
Fiberglass
| Cotton | Spray Plastic
Foam | Spray Crete | Spray
Cellulose
Fiberglass
- Often exhibits
slumping. Particularly if used as a friction fit (unfaced) in wall cavities.
Cotton
- Offers some resistance
to slumping because it is a denser product.
Spray
Plastic Foam
- Excellent as
a stable product.
Spray Crete
- Good as a stable
product.
However, caution should be exercised because of its low cohesive strength.
Spray
Cellulose
- Excellent as
a stable product if properly applied using a binder. Ask for stabilized product
and avoid loose blown product.