Can we use FTI standard cellulose insulation in lieu of FTI-2H FIREWALL?
No. Only FTI-2H FIREWALL has been tested and passed this standard. FTI standard cellulose insulation contains a lower chemical load than our FTI-2H FIREWALL product, thus may not meet the required standards for a two hour firewall. 6. Does the wall structure require four layers of Type X sheetrock, fire caulk, or other firestop material? No. The insulation material meets the required standard for a two hour rating based upon its chemical formula, concentration and installed density. Other materials commonly associated with a two hour firewall structure are not required. 7. What materials are needed for a two hour firewall using FTI-2H FIREWALL? FTI-2H FIREWALL cellulose insulation, thick Type C sheetrock, standard bearing plates, joints, screwheads and 2X4 wood studs are required. 8. Can the drywall be installed horizontally? No. The product was tested with the drywall installed in a vertical orientation. It is important the drywall seams are centered over studs which isnt practical in