FLAME GARD
Frequently asked questions
Common questions about FLAME GARD from 3G Electric.
What is the maximum temperature rating for FLAME GARD duct access doors?
FLAME GARD duct access doors are rated for a maximum temperature of 2,300°F. This rating applies to both fire-rated and high-temperature flat access door models. The doors are constructed from 16-gauge steel, which maintains structural integrity at these elevated temperatures. This rating makes them suitable for use in industrial exhaust systems, furnace ductwork, and other high-heat applications where standard access doors would degrade.
What sizes are available for FLAME GARD fire-rated flat access doors?
FLAME GARD fire-rated flat access doors are available in multiple rectangular sizes, including 7 in x 10 in, 7 in x 15 in, 7 in x 23 in, 10 in x 15 in, 15 in x 23 in, and 19 in x 23 in. Each size is constructed from 16-gauge steel and features thumbscrew fasteners. The number of mounting studs varies by size, with options of 2, 6, or 10 studs. These sizes accommodate common duct dimensions in industrial settings.
Are FLAME GARD high-temperature access doors different from fire-rated models?
FLAME GARD offers both high-temperature and fire-rated flat access doors. Both types share the same 2,300°F maximum temperature rating and 16-gauge steel construction with thumbscrews. The fire-rated models are designed for use in fire-resistance-rated assemblies where compartmentalization is required, while high-temperature models are intended for continuous heat exposure in non-fire-rated applications. The product catalog distinguishes them by SKU prefix, with fire-rated models typically labeled as 'Fire-Rated Flat Access Doors' and high-temperature models as 'High-Temperature Flat Access Doors'.
How are FLAME GARD duct access doors mounted?
FLAME GARD duct access doors are mounted using integral mounting studs that attach to the duct wall. The number of studs varies by door size: smaller doors (e.g., 7 in x 10 in) may have 2 studs, while larger sizes (e.g., 19 in x 23 in) have 6 or 10 studs. The door frame is designed for rectangular ducts, and the thumbscrew fasteners allow for tool-free opening and closing. The mounting studs are typically welded or bolted to the duct surface, providing a secure attachment that withstands thermal expansion.
What material is used in FLAME GARD access doors?
FLAME GARD access doors are constructed from 16-gauge steel. This material thickness provides sufficient rigidity for industrial ductwork applications while remaining workable for installation. The steel is selected for its ability to withstand the 2,300°F maximum temperature rating without significant deformation. The doors are not coated or painted, as the bare steel surface is suitable for high-temperature environments where coatings might degrade.
Does 3G Electric supply FLAME GARD products?
Yes — 3G Electric (S) Pte. Ltd. supplies FLAME GARD products. We stock the FLAME GARD catalog and supply genuine factory-original products with full manufacturer warranty and technical support.














