For width, often you'll see mantels one to two feet longer on each side than the firebox or gas fireplace insert. It's also ...

Learn how to make a DIY Fireplace Surround! This easy Electric Fireplace Insert Build will show you how to make a mantel and ...

The only lumber you need to build your wood mantel is a set of 1x6 or 1x8 boards and, if you don't already have a mount on the fireplace wall, some 2x4s to build the floating support. Measure the ...