Product Guide
Blanket and Batt Insulation
![mineral wool insulation batt](https://www.buildinggreen.com/sites/default/files/styles/product_guide_images/public/product_guides/1024px-Rockwool_4lbs_per_ft3_fibrex5.jpg?itok=T2-hU9Y6)
The best products...
- Are fiberglass or mineral wool made with a formaldehyde-free binder
- May be batts made from wood, hemp, recycled cotton, wool, or other natural fibers
- Meet CDPH Standard Method emissions requirements
But watch out for...
- Mineral wool insulation that uses formaldehyde-based binders (for interior applications)