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Jan 11, 2023 · Combustible trim on the face of the fireplace could be installed as close as 6 in. to the opening, but its projection is limited to 1⁄8 in. for every inch above the opening. This means that you can have 3⁄4-in.-thick trim beginning 6 in. from the fireplace opening, and it can taper or step outward to 11⁄2 in. at 12 in. above the opening, which is where the mantel typically sits.
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Jan 26, 2024 · Clearances from Firebox: Minimum distance from fireplace opening to combustible mantel: 12 inches. Combustible trim on face allowed as close as 6 inches to opening, projecting limited to 1⁄8 in. for every inch above the opening. Consider using approved noncombustible materials if trim or mantel is desired closer to the firebox.
Oct 24, 2024 · 2114.3 Masonry-Built Fireplaces (4114.3.10): When installing a mantel or similar trim around a masonry-built fireplace, it’s essential to follow clearance guidelines for safety. Any combustible mantel or trim must be at least 6 inches away from the fireplace opening. If parts of the mantel extend more than 1 1/2 inches (38mm) from the ...
Jan 11, 2021 · Standard building code states that wood or MDF fireplace trim should be no closer than 6" from the firebox opening, with an extra inch for every ⅛" that the trim sticks out from the surface. When I installed the fireplace tile over the existing brick, I made sure to take these building codes into account. The tile extends at least 8" around ...
Nov 10, 2022 · Combustible material within 12 inches (306mm) of the fireplace opening shall not project more than 1/8 inch (3mm) for each 1-inch (25mm) distance from such an opening.”. I think of these clearances as three areas: From the firebox opening to 6 inches out, no combustibles are allowed; from 6 to 12 inches away, you can put thin wood (at 6 ...
Jul 27, 2010 · National Standard Building Code: Combustible materials and trim must be at least 6 inches from the firebox opening. Mantel corbels and brackets attached along the sides of the opening must have additional clearance if they project more than 1 1/2 inches out from the face of the fireplace. The extra clearance must match the measurement, in ...
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Mar 1, 2007 · In your case, the surround would be considered combustible trim and cannot be less than 12 in. from the fireplace opening if projecting more than 1-1/2 in. Although the code is silent about what projection is permitted beyond 12 in. from the firebox, a reasonable approach is to use the smallest projection that will allow adequate support of appliances in the entertainment center.
