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                                        Fire-Rated Security - Knurled Knob/Key Latch

                                        SKU# BSTMK-0808
                                        Call for Pricing

                                        Models
                                        Size
                                        Secure Checkout
                                        Final Sale; 2-3 Week Lead Time

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                                        The insulated Fire-Rated Security Access Door is constructed of heavy-duty materials to prevent unwanted access through openings in fire-rated vertical surfaces.

                                        Features

                                        • Fire-Rated
                                        • Self-Closing Door
                                        • Wall Installation Only
                                        • Custom Sizing

                                        Specifications

                                        Model BST/BSW/BSP
                                        Door 14-gauge Steel Outer Door 20-gauge Steel Inner Door
                                        Frame 16-gauge Steel
                                        Size Min: 6 inches by 6 inches Max: BST: 24 inches by 72 inches or 48 inches by 48 inches BSW/BSP: 36 inches by 48 inches
                                        Installation Wall
                                        Flange 1 inch Exposed, Drywall Bead or Plaster Bead
                                        Hinge BST: Flush Continuous Piano BSW/BSP: Concealed Pin
                                        Insulation 2-inch Fire-Rated Mineral Fiber
                                        Certification UL listed "B" label for 1-1/2 hours
                                        Finish White Powder Coat
                                        Warranty 1 year
                                        Options Flanges, Latches, Materials, Gaskets, Anchors

                                        Order Guide

                                        BASE FLANGE LATCH WIDTH X LENGTH OPTIONS
                                        BS X
                                        T - 1 inch Flange W - Drywall Bead P - Plaster Bead K - Knurled Knob / Key Operated Latch Bolt M - Mortise Lock Prep (1-1/8") Standard Sizes (in.) 12 x 12 24 x 24 16 x 16 24 x 36 18 x 18 24 x 40 22 x 30 24 x 48 B - Galvannealed G - Gasketing M - Masonry Anchors S - Stainless Steel, Type 304
                                        DOOR SIZE (Width x Height) ROUGH OPENING (RO) (Width x Height)
                                        6 x 6 6-1/4 x 6-1/4
                                        8 x 8 8-1/4 x 8-1/4
                                        10 x 10 10-1/4 x 10-1/4
                                        12 x 12 12-1/4 x 12-1/4
                                        12 x 18 12-1/4 x 18-1/4
                                        12 x 24 12-1/4 x 24-1/4
                                        14 x 14 14-1/4 x 14-1/4
                                        16 x 16 16-1/4 x 16-1/4
                                        16 x 20 16-1/4 x 20-1/4
                                        18 x 18 18-1/4 x 18-1/4
                                        18 x 24 18-1/4 x 24-1/4
                                        20 x 30 20-1/4 x 30-1/4
                                        22 x 22 22-1/4 x 22-1/4
                                        22 x 30 22-1/4 x 30-1/4
                                        24 x 24 24-1/4 x 24-1/4
                                        24 x 30 24-1/4 x 30-1/4
                                        24 x 36 24-1/4 x 36-1/4
                                        24 x 48 24-1/4 x 48-1/4
                                        30 x 30 30-1/4 x 30-1/4
                                        30 x 36 30-1/4 x 36-1/4
                                        32 x 32 32-1/4 x 32-1/4
                                        36 x 36 36-1/4 x 36-1/4

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