Removing sheetrock from behind a wood stove before installing a heat shield can be problematic for several reasons:
Fire safety: Sheetrock, also known as drywall, provides some degree of fire resistance. If you remove it from behind the wood stove, you may be compromising the fire safety of your installation. The heat shield is designed to reduce the clearance between the stove and combustible materials, but removing the sheetrock entirely increases the risk of fire spreading to nearby walls or structures.
Building codes and regulations: Many building codes and regulations specify the minimum clearances that must be maintained between wood stoves and combustible materials. Removing the sheetrock might violate these codes and put you at risk of facing legal issues, insurance problems, or difficulties when selling your home.
Insulation and heat distribution: Sheetrock also serves as insulation and helps distribute heat more evenly across the room. Removing it could result in uneven heating or cause nearby materials to overheat and potentially become a fire hazard.
Aesthetics and resale value: Removing the sheetrock might leave an unsightly gap or exposed area behind the wood stove. This could negatively impact the aesthetics of your living space and potentially reduce the resale value of your home.
Instead of removing the sheetrock, it is better to follow these steps when installing a heat shield:
Choose the right heat shield: Select a suitable heat shield made of non-combustible material, such as sheet metal, that is designed to reduce clearance between the stove and combustible materials while providing adequate protection.
Maintain clearances: Follow the manufacturer's guidelines and local building codes to ensure the correct distance between the wood stove, heat shield, and any combustible materials like sheetrock.
Proper installation: Install the heat shield according to the manufacturer's instructions, ensuring it is securely attached to the wall and provides adequate coverage.
Consult a professional: If you're unsure about the installation process or the safety requirements, it's best to consult a professional, such as a certified chimney sweep or a licensed stove installer, to ensure the setup is safe and compliant with local regulations.
Remember, the safety of a wood stove installation is crucial, and any modifications should be made with caution and adherence to applicable safety standards.