These requirements cover noncombustible wall protectors@ floor protectors@ and hearth extensions that are intended for use with heat producing devices@ such as fireplaces@ fireplace stoves@ fireplace inserts@ and solid-fuel type room heaters. Wall protectors@ floor protectors@ and hearth extensions are intended for installation in accordance with the Standard for Chimneys@ Fireplaces@ Vents@ and Solid-Fuel Burning Appliances@ NFPA 211. The factory-built fireplaces with which these products are used are intended to comply with the Standard for Factory-Built Fireplaces@ UL 127. The fireplace stoves with which these products are used are intended to comply with the Standard for Fireplace Stoves@ UL 737. The solid-fuel type room heaters with which these products are used are intended to comply with the Standard for Room Heaters@ Solid-Fuel Type@ UL 1482. The pellet-fuel type room heaters with which these products are used are intended to comply with the Standard for Room Heaters@ Pellet Fuel-Burning Type@ ASTM E1509. Floor protectors are not evaluated in regard to floor protection with substantial amounts of fuel burning directly on floor protector surface.