Learn how to securely install Industrial Farm Co.'s custom-made, American-manufactured brackets and shelves with our detailed, step-by-step guide. Whether you're mounting to studs, stone, brick, or drywall, our tips ensure a safe, stylish installation. From recommended tools and mounting techniques to specific guidance on heavy-duty shelves, this guide simplifies the process, so you get lasting results. Plus, watch our video tutorial for added confidence. Perfect for DIY decorators looking to add industrial farmhouse style to any room!
IFC brackets and mantel supports hold when they are mounted into something solid, not because of the bracket alone. Studs, brick, stone, or concrete are what actually carry the weight. Our brackets are made from quarter-inch American steel, hand-welded in our Camillus, NY workshop, and every one of them is only as strong as what is behind the wall.
Note: We don't include mounting hardware with our brackets because the right screws and fasteners depend on your wall type. This guide covers what to buy, how to use it, and how to plan spacing and support for both everyday shelf brackets and fireplace mantel supports.
For a secure installation, mount your IFC brackets and mantel supports into wall studs, brick, or stone. These surfaces provide solid long-term support. When studs or masonry are not available in the right location, these alternatives can work when installed properly:
Toggle bolts (snap toggles) — the strongest hollow-wall option, though still a fallback rather than a first choice
Molly bolts — for hollow walls with limited requirements
Drywall anchors — for light decorative loads only
None of these alternatives are as strong as a stud or masonry mount. For any shelf or mantel carrying real weight, stud mounting is the standard we recommend.
Tools You'll Need
Required:
Stud finder (electronic recommended)
Level (24-inch minimum; 48-inch preferred for a shelf or mantel run)
Drill with bit set
Screwdriver or impact driver
Measuring tape
Pencil for marking
Safety glasses
Optional but helpful:
Wrench or socket set (for brackets with support bars)
Laser level (for multiple shelf installations)
Wall anchors and hammer (for off-stud positions)
Masonry drill bits (for brick, stone, or concrete)
Shims (for leveling against uneven brick or stone)
Tips by Surface Type
Wall studs: Locate with a stud finder. Drill pilot holes slightly smaller than the screw diameter to prevent splitting and improve holding power. Use 3-inch lag screws for stud mounting. Most residential walls have studs at 16-inch or 24-inch intervals.
Brick and stone: Use masonry drill bits and heavy-duty masonry screws or anchors. Decide whether to drill the brick or mortar joint — mortar is softer and easier to drill, but it is also weaker than the brick itself, so this is a judgment call based on the condition of your mortar. Drill slowly to avoid cracking, and clear the dust from the hole completely before setting the anchor; leftover dust is a common reason an otherwise solid-looking install works loose later. Natural stone surrounds are often uneven, so expect to shim the bracket to keep it level.
Drywall (off-stud): Use snap toggle bolts. Pre-drill the correct hole size per the toggle specifications. Snap toggles are the most reliable drywall fastener for real loads, though stud mounting remains the stronger choice whenever you can reach one. Standard plastic drywall anchors are only appropriate for light decorative items.
Installing Brackets with Support Bars (Mantel Supports & Corbels)
Brackets with support bars — including mantel supports and corbel-style brackets — add structural strength but require a specific installation sequence.
Mark your bracket positions on the wall, confirming stud locations with the stud finder
Drill pilot holes at each marked position
Position the hex head lag bolt into the bracket before holding it against the wall — this lets you align the bracket with the hole while keeping both hands on the bolt and bracket
Start the bolt by hand to catch the threads in the pilot hole
Use a wrench or socket set to gradually tighten. Do not fully tighten one bolt before starting others — get all bolts started, then tighten in sequence to keep the bracket level
Check level before final tightening
Pre-drilling and hex head lag bolts make this sequence much smoother, especially in tight spaces where a standard Phillips head driver cannot generate enough torque.
Hanging a Heavy Shelf or Mantel: Step by Step
Step 1: Plan your bracket positions. Use a stud finder to locate studs across the planned run. Mark every stud with a pencil. See the spacing guidelines below to determine how many brackets you need.
Step 2: Draw a level line. Hold a 48-inch level at the desired height and draw a light pencil line across the full width of the run. This is your reference line for all bracket positions. Do not rely on the fireplace surround or floor as your reference — both are frequently out of level.
Step 3: Mark bracket positions. Mark each bracket location along the level line at stud positions, following the spacing guidelines below.
Step 4: Drill pilot holes. Drill at each marked position. The pilot hole should be slightly smaller than the lag screw diameter — this gives the threads material to grip without splitting the stud.
Step 5: Mount the brackets. Drive 3-inch lag screws through each bracket into the stud. Do not fully tighten until all brackets are started. Check level across all brackets together before final tightening.
Step 6: Place and secure the shelf board or mantel. Set the board on the brackets. Pre-drill through each bracket's mounting hole into the underside of the board to prevent splitting. Drive screws up through the bracket into the board.
Step 7: Check everything once it's loaded. Add items gradually rather than loading everything at once, and check all bracket fasteners after the first full load to confirm nothing has shifted.
If you're unsure about any step, consult a professional or ask at your local hardware store before proceeding.
Spacing, Depth, and Mantel-Specific Guidelines
How a bracket or mantel support "holds" depends far more on spacing, depth, and what's behind the wall than on the bracket itself. Here's how to plan it.
General shelf spacing: 2 brackets for shelves up to 36 inches, 3 brackets for 36 to 60 inches, and 4 or more for shelves over 60 inches. Add an extra bracket every 24 inches for loaded kitchen shelves or heavy display applications. Never space brackets more than 24 to 36 inches apart on anything carrying real weight.
Bracket or support depth: As a rule of thumb, the bracket should reach at least 75% of the depth of the shelf or mantel it supports. A support that's too shallow for what it's carrying puts more leverage on the top fasteners than they're built to handle.
For fireplace mantels specifically: based on mantel length, we generally recommend:
Up to 3 feet: 2 brackets
3'1" to 6 feet: 3 brackets
6'1" to 9 feet: 4 brackets
9'1" to 11'6": 5 brackets
11'7" to 14 feet: 6 brackets
Keep any mantel support at least 6 inches back from the fireplace opening. That's a clearance most local codes require for combustible material near a firebox — confirm it against your own local code and, if you have one, your fireplace manufacturer's listed clearances.
Common Installation Mistakes
Mounting into drywall alone. By far the most common cause of a shelf or mantel that eventually sags or pulls away from the wall.
Using the wrong anchor for the wall type, or drilling an oversized hole for a masonry screw so it spins instead of gripping.
Skipping the level and eyeballing it off the fireplace surround or floor, which are very often out of level themselves.
Using fewer screws than the bracket has holes for. Every hole is there for a reason.
Not accounting for what goes on the shelf or mantel later. Garland, candles, stockings, dishes, and books all add weight to a space that was measured empty.
Common Questions
What screws should I use to mount IFC brackets?
3-inch lag screws for stud mounting. Pre-drill a pilot hole slightly smaller than the screw diameter before driving the lag screw — this gives the threads material to grip without splitting the stud. Use a wrench or impact driver for final tightening. For masonry, use masonry screws or anchors sized to your wall. We don't include mounting hardware because the right fastener depends on your specific wall type.
Can I install IFC brackets without hitting a wall stud?
Yes, using a heavy-duty toggle bolt. Stud mounting is still the strongest option and the one we recommend whenever you can reach one. If your bracket holes fall between studs, add a ledger or backer board across two or more studs rather than relying on drywall anchors alone for anything carrying real weight.
How do I install brackets with support bars, like mantel supports and corbels?
Position the hex head lag bolt into the bracket before holding the bracket against the wall. This allows you to align everything in one motion. Start all bolts by hand before using a wrench or socket set. Tighten gradually rather than fully seating one bolt before starting others — this keeps the bracket level as you tighten. Pre-drilling makes this sequence much smoother in tight spaces.
What tools do I need to install IFC shelf brackets or mantel supports?
Required: stud finder, level (48-inch for a longer run), drill with bit set, screwdriver or impact driver, measuring tape, pencil, safety glasses. Optional: wrench or socket set for support-bar brackets, laser level for multiple installations, masonry drill bits for brick or stone, and shims for uneven surfaces.
How many brackets do I need for my shelf or mantel?
Two brackets for shelves up to 36 inches, three for 36 to 60 inches, and four or more for anything longer. For fireplace mantels specifically, see the length-based guide above. Never space brackets more than 24 to 36 inches apart on anything carrying real weight.
What's the difference between a corbel and a mantel bracket?
The terms are often used interchangeably. For structural pieces like ours, both describe a support built to carry a mantel's real weight. A purely decorative corbel meant only for visual effect is a different kind of product and isn't built for structural support.
How much weight can an IFC bracket or mantel support hold?
It depends on the specific piece, how it's mounted, and your wall type. Rather than quote one number here, the most useful thing we can tell you is this: always mount into studs, brick, stone, or concrete rather than drywall alone, and reach out to us with your specific shelf or mantel dimensions if you'd like a recommendation before you order.
How high should a fireplace mantel be mounted?
Most mantels sit between 54 and 60 inches from the floor, though the right height also depends on your firebox and your local clearance code for combustible material near a fireplace opening. Confirm your local code before finalizing height.
For custom bracket dimensions or unusual installation requirements, contact our team at (315) 762-6500 or through our custom design page. Every bracket in our full collection includes finish and size options — we're also reachable directly if you're working through a specific application and want a recommendation before ordering.
3-inch lag screws for stud mounting. Pre-drill a pilot hole slightly smaller than the screw diameter before driving the lag screw. Use a wrench or impact driver for final tightening. For masonry, use masonry screws or anchors sized to your wall. We don't include mounting hardware because the right fastener depends on your specific wall type.
Can I install IFC brackets without hitting a wall stud?
Yes, using a heavy-duty toggle bolt. Stud mounting is still the strongest option and the one we recommend whenever you can reach one. If your bracket holes fall between studs, add a ledger or backer board across two or more studs rather than relying on drywall anchors alone for anything carrying real weight.
How do I install brackets with support bars, like mantel supports and corbels?
Position the hex head lag bolt into the bracket before holding the bracket against the wall. Start all bolts by hand before using a wrench or socket set. Tighten gradually rather than fully seating one bolt before starting others. Pre-drilling makes this sequence much smoother in tight spaces.
What tools do I need to install IFC shelf brackets or mantel supports?
Required: stud finder, level, drill with bit set, screwdriver or impact driver, measuring tape, pencil, safety glasses. Optional: wrench or socket set for support-bar brackets, laser level, masonry drill bits, and shims for uneven surfaces.
How many brackets do I need for my shelf or mantel?
Two brackets for shelves up to 36 inches, three for 36 to 60 inches, and four or more for anything longer. For fireplace mantels specifically, use the length-based guide in this article. Never space brackets more than 24 to 36 inches apart on anything carrying real weight.
What's the difference between a corbel and a mantel bracket?
The terms are often used interchangeably. For structural pieces like ours, both describe a support built to carry a mantel's real weight. A purely decorative corbel meant only for visual effect is a different kind of product and isn't built for structural support.
How much weight can an IFC bracket or mantel support hold?
It depends on the specific piece, how it's mounted, and your wall type. Always mount into studs, brick, stone, or concrete rather than drywall alone, and reach out with your specific dimensions if you'd like a recommendation before ordering.
How high should a fireplace mantel be mounted?
Most mantels sit between 54 and 60 inches from the floor, though the right height also depends on your firebox and your local clearance code for combustible material near a fireplace opening.
