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Floating fireplace mantel bracket from Federal Brace is designed to mount to the wall and securely hold an open or box style mantle, so the mantel appears to float while staying structurally supported. The 58 inch long bracket with 4-1/2 inch by 3 inch profile gives a substantial mounting base, which matters when spanning wider mantels over a fireplace. Heavy duty powder coated black steel construction provides a rigid support body, helping the bracket carry up to 200 pounds per bracket in normal mantel applications. Arms extend from both ends of the bracket for insertion into the mantel box, floating shelf box, or other shelf material, creating deep engagement inside the material for load transfer. The flat black finish provides a clean, unobtrusive look that suits visible installations where the bracket edge or arms may be partially exposed.
This floating fireplace mantel bracket mounts to the wall using 0.26 inch diameter x 1 inch long slot holes, so the fasteners can be positioned within the slots for some side-to-side adjustment during installation. That slotted interface helps align the 58 inch bracket with existing framing or layout marks before final tightening. The bracket arms extend from both ends for insertion into the mantel box or floating shelf box, creating a concealed support point once the mantel is slid over the arms. With a 4.5 inch by 3 inch overall profile and 0.25 inch material thickness, the bracket body offers substantial bearing area against the wall surface for stable mounting.
The 58 inch x 4-1/2 inch floating fireplace mantel bracket is built to support open or box style mantles by acting as a rigid internal frame behind and inside the wood or other shelf material. Arms extending from both ends of the bracket slide into the mantel box or floating shelf box, so the visible structure rests on steel rather than relying only on fasteners through thin material. That arm insertion also suits other shelf materials that can accept a concealed cavity, allowing the same bracket style to support various designs along the fireplace wall. With each bracket rated for 200 pounds of carry capacity, the mantle and decor can be planned around that load capability, helping installers match mantel dimensions and material choices to the bracket strength.
This Federal Brace floating mantel bracket uses 0.25 inch thick steel, giving the 4.5 inch by 3 inch section enough stiffness to resist sagging across the 58 inch span under typical mantel loads. The 0.26 inch diameter x 1 inch long slot mounting holes allow some horizontal adjustment while the bracket is being fastened, which helps align the arm positions with the mantel cavity and with finish surfaces along the fireplace surround. Heavy duty powder coated black steel delivers a flat black appearance that works in visible applications, supporting installations where portions of the bracket may remain exposed below or beside the mantel. The bracket design is described as minimizing scrap and requiring no welding, which gives the part a clean, continuous look that can function as part of the finished aesthetic when used in open installations.
The floating fireplace mantel bracket is described for open or box style mantles, so it supports those designs by letting the arms insert into a cavity within the mantel or shelf material.
Each floating mantel bracket has a 200 pound carry capacity, which guides how much combined mantel and decor weight the bracket can support in typical use.
The SAP description specifies dimensions of 4.5 inches x 58 inches x 3 inches, giving a long backbone with a compact profile suited to spanning a standard fireplace opening.
The heavy duty powder coated black steel provides a flat black appearance, supporting visible or partially exposed applications where a dark, uniform finish is preferred.
The mantel bracket mounts using 0.26 inch diameter x 1 inch long slot holes, allowing fasteners to be positioned within the slots for lateral adjustment during mounting.
Arms extend from both ends of the bracket and insert into the mantel box or shelf material, transferring weight into the steel and creating a concealed, floating appearance.
The 58 inch x 4-1/2 inch floating fireplace mantel bracket in flat black finish from Federal Brace pairs a 200 pound load rating with concealed support arms, giving installers a simple path to a floating look. The 0.25 inch thick powder coated black steel body combined with 0.26 inch diameter x 1 inch long slotted mounting holes supports careful alignment over a fireplace opening. For projects calling for a strong, visually clean fireplace mantel support, this bracket provides defined dimensions, finish, and capacity to plan the layout with confidence.
Sold In: 1 Each
Quantity | Unit Price | Catalog | ||||
|---|---|---|---|---|---|---|
Sold in: 1 Each | FBFB-06338 Mfr# FB-06338 | 46" x 4-1/2" Floating Fireplace Mantel Bracket, Flat Black Finish | ||||
Sold in: 1 Each | FBFB-07081 Mfr# FB-07081 | 46" x 6-1/2" Floating Fireplace Mantel Bracket, Flat Black Finish |