Yes, in most cases, you can add a mantel to an existing fireplace. Different fireplace types and local clearance codes will, of course, affect whether you can add a mantel and if you need to call a professional.

It’s also important to know what material the mantel will be on. Masonry or stone fireplace surrounds might need extra support and specialized parts, while anchoring a mantel to drywall will require a stud finder.

We’ll walk you through different fireplace types and whether you can or cannot add a mantel. 

In This Article 

• Adding a Mantel to a Masonry Fireplace
• Adding a Mantel to Drywall
• Adding a Mantel to a Gas Fireplace
• Adding a Mantel to an Electric Fireplace
• Adding a Mantel to a Linear Fireplace
• Adding a Mantel to a Fireplace Insert
• Adding a Mantel to a Wall-Mounted Fireplace
• When It's Easy vs. Requiring Modifications
• Frequently Asked Questions

Masonry fireplaces are usually quite safe to add a mantel to, because of their solid, non-combustible surrounds.

However, mounting a mantel to masonry (especially uneven stonework) can be tricky. Don’t worry, we’ll walk you through your options!

Plan the placement FIRST. Double-check how high the mantel should be from the floor—your gas, electric, or wood-burning fireplace manual will have the specifics. Once you’ve determined the height, you have a few options to hang a mantel on a masonry fireplace:

1. Cleat (Ledger Board) Method

This is the most popular method for floating mantel shelves. A cleat (or ledger board) is anchored directly into the masonry using masonry screws or concrete anchors, and a matching groove on the back of the mantel slides down over it. This creates a clean look with no visible hardware. It's especially popular for modern, minimalist mantel designs.

The masonry must be structurally sound and free of cracks around the anchor points to install a mantel. If you have any doubts, it’s best to call in a professional.

2. Masonry Anchors or Sleeve Anchors

For heavier mantels or full mantel surrounds, sleeve anchors or masonry screws are drilled directly through the mantel (or mounting brackets) into the brick, stone, or concrete. This method distributes weight across multiple anchor points, making it a strong option for larger, heavier mantel designs.

Installing masonry anchors requires a masonry-rated drill bit to safely secure the mantel.

3. Corbels or Support Legs

Some mantel designs, particularly full surrounds or farmhouse-style mantels, use decorative corbels or legs that extend down the sides of the firebox opening to the floor or hearth for added support. These can be anchored to the masonry, the floor, or both, depending on the design.

This solution requires more precise measuring of the firebox opening width, since the legs must align with the sides of the surround. Many homeowners hire a professional to mount mantels on masonry fireplaces, since it requires specialized tools and training to hang mantels on irregular surfaces. 

Many homeowners have drywall above their fireplaces and surrounds, and adding a mantel to drywall is quite straightforward.

Before you start breaking out the hammer and nails, know that drywall alone should never bear the weight of a mantel. Anchor mantels into the studs behind the drywall to keep them secure.

How to Mount a Mantel on Drywall

What you’ll need:

• Stud finder
• Hammer
• Nails
• Drywall anchors

Use the stud finder and mark the stud locations on the drywall. Standard wall studs are 16 inches apart and might not line up where the mantel needs the most support. In that case, use a horizontal mounting board (sometimes called blocking) to anchor into two studs to evenly distribute the mantel’s weight.

Planning on placing heavy décor or a TV on the mantel? Extra reinforcements are essential. Install a horizontal mounting board onto your mantel to evenly distribute the load across the wall. It’s also important to check your mantel and mounting hardware’s total weight capacity to ensure it can handle the load.  

Gas fireplaces are very safe to add a mantel. Because they often run cooler than wood-burning fireplaces, they offer more flexibility with mantel types and clearances. Of course, always check your gas fireplace’s owner’s manual for specifics. 

Vented vs. Ventless Gas Fireplaces

Many customers want to know about the mantel clearance requirements for vented and ventless gas fireplaces. Here’s what you need to know:

• Vented: Because vented gas fireplaces have a flue or pipe carrying combustible gases and heat outside, they tend to release less radiant heat into the room. Mantel clearances for vented gas fireplaces are very similar to those for wood-burning fireplaces.
• Ventless: Ventless gas fireplaces only release combustible gases and heat into the room, since they don’t use a flue or pipe. Since ventless fireplaces pump out way more heat, it’s especially important to follow the clearance guidelines. Many manufacturers have strict restrictions on placing mantels and TVs above the firebox because they emit so much radiant heat. It’s always best to read the manufacturer's labels and owner's manual before mounting a mantel or anything else. 

Adding a Mantel to an Electric Fireplace

Good news: electric fireplaces are typically the easiest for mounting mantels! Since most electric fireplaces don’t give off heat like gas or wood-burning ones, it’s usually safer to place a mantel closer to the firebox. Electric fireplaces also vent heat directly out, instead of out and upward, making a decorative mantel a great choice.

Check your owner’s manual for specific clearance requirements. 

Adding a Mantel to a Linear Fireplace

Linear fireplaces are popular with contemporary homes for their sleek design. However, they do require extra care when mounting a mantel above.

The short answer? Yes, you can mount a mantel over a linear fireplace, but you should plan ahead.

Traditional fireboxes are usually square or rectangular, which naturally lends themselves to a centered mantel that extends a few inches beyond each side. Linear fireplaces have extreme width-to-height ratios—60, 72, or even 100+ inches wide while only 12 to 20 inches tall. These fireplaces often require custom mantels that need precise measurements.

Linear fireplaces are also designed to be sleek and modern. A mantel can clutter up that minimalistic look. Many people choose to mount a floating shelf mantel above a linear fireplace to keep a cohesive, sleek look. 

When adding a mantel above a fireplace insert, the measurements can get tricky. You’re dealing not only with the fire insert’s clearance requirements, but also with the original fireplace's clearance requirements. Again, when in doubt, follow the measurements furthest from the firebox opening or call a professional.

With inserts, you’re also often dealing with surrounds.

A fireplace insert surround is a metal plate that covers the gap between the new insert and the original fireplace opening. The surround adds height to the insert, and those measurements must be taken into account when adding a mantel. If you’re ever in doubt, call a professional.

Wall-mounted fireplaces — often electric units installed flush against or partially recessed into a wall — are one of the more approachable fireplace types for adding a mantel. Since there's no masonry or firebox structure to work around, the process is more like hanging a heavy shelf on a wall than installing a traditional fireplace.

Check out our tips on how to mount a mantel to drywall.

We're Here to Help

Woodland Direct's NFI Certified experts are here to help. Whether you need guidance on sizing, clearance requirements, or choosing the right style for your home, our experts are just a call away at 800.919.1904 to make sure you get the right mantel for your space.