Have you checked out ROXUL
Start your project with ROXUL®, the fire-resistant insulation that's made from stone. Home owners, contractors and builders rely on ROXUL for no-compromise insulation solutions that help save energy and create quiet and safer homes.
Whether you're renovating an existing room, expanding your living space with an addition or building a brand new home or cottage, choosing the right insulation for the project is extremely important. Although insulation will represent only a small fraction of your budget, the choices you make will affect the quality of your finished project and the ongoing costs of heating and cooling your home. Additionally, your decision will have an impact on the environment.