For Oversized Openings

Best Access Doors offers fire-rated insulated double door access panels for ceilings that come with 2 hours and 3 hours fire rating for installations that require an oversized opening. Our oversized panels allow greater accessibility to relevant building fixtures whenever service adjustments are needed. 

Our oversized fire-rated access door for walls features a painted, galvanized steel or 304 stainless steel while our oversized fire-rated access doors for walls and ceilings are made of satin finish galvanized steel or 304 stainless steel. Both of these doors have a 1-1/4 “ (32mm) wall trim, 18ga, liner 22ga with slam latch, a door panel with 1 ½” of high-temperature insulation material, and an electrostatically applied rust-inhibitive prime coat or # 4 polished stainless steel finishes on an exterior surface. 

Manufactured under the factory inspection service of Intertek Warnock Hersey, these doors have a label reading: “Listed access frame and insulated fire door assembly 2-hour fire rating (for walls) and 3-hour fire rating ( for walls and ceilings). We also offer optional product features that include ¼” Allen key and mortise prep with and without lock and keys. 

Choose from our 30 different standard sizes of oversized fire-rated access panel. Also available in custom sizes to suit your needs. Call us today at 1-800-483-0823 and shop our products now!