Here are some areas where spray foam might not be the right choice: Ventilated Attics: If your attic is ventilated, it's generally advisable to avoid using spray foam insulation here. The ventilation is designed to allow air flow, and spray foam could block this ventilation, leading to potential moisture issues.

If you see the benefit of insulating your new construction home correctly from the start for long-term comfort, energy savings month after month, and fewer headaches while you live in the house, then spray foam insulation may very well be worth the extra cost to you.

You can still insulate your attic with closed cell spray foam. However, if you are looking to save some money on your project, open cell spray foam is the choice product for attics.

The manufacturing costs of spray foam insulation are higher than those of other insulation products. The raw chemical materials are more expensive than recycled cellulose or glass fibers. Chemical processing facilities are more expensive to build and maintain, with stricter safety protocols and testing protocols.