Stanbroil Tempered Fire Glass 1/4-inch Onyx Black — 10 lb Reflective Heat-Safe Fire Pit Glass

Stanbroil 10-pound Onyx Black 1/4-inch tempered fire glass is reflective, heat-safe crushed glass designed to replace lava rock or gas logs in propane and natural gas fire pits and fireplaces.

This tempered fire glass gives modern fire features a low-maintenance, jewel-like bed that resists heat degradation and keeps its deep onyx color through repeated heating cycles. Cut to a uniform 1/4-inch size, this 10 lb bag balances coverage and sparkle: large enough to sit steadily around burners while fine enough to create a continuous reflective surface that complements flames and LED lighting. It’s formulated and tempered to withstand high temperatures without crumbling, offering an eco-friendlier visual upgrade to wood or rock.

How will Stanbroil Onyx Black fire glass change the look of my fire pit?

Onyx black reflective glass creates a sleek, contemporary appearance by turning flames into dancing highlights across a glossy surface. The dark color increases contrast so flickering orange and blue flames appear more vivid against the black backdrop.

• Deep black finish enhances flame color and reflections.
• Reflective surface multiplies flame points for visual depth.
• Uniform 1/4" pieces lay flat for a continuous jewel-like bed.

Is this glass safe to use with my propane or natural gas setup?

Yes—Stanbroil tempered fire glass is designed for both propane and natural gas applications in indoor fireplaces, outdoor fire pits, and decorative bowls. It won’t burn or emit fumes like wood and is manufactured to tolerate repeated thermal cycling without breaking down.

• Compatible with propane and natural gas burners.
• Tempered to resist cracking and degradation from heat.
• Does not produce smoke or ash, simplifying maintenance.

How much coverage does a 10-pound bag of 1/4" glass provide?

A 10 lb bag of 1/4-inch tempered glass typically covers a modest burner area—suitable for many small to medium fire bowls and hearth inserts. Coverage varies by desired depth: a thin one-inch layer needs less product than a two- or three-inch layer that fully conceals burners.

• Approximate coverage: one-inch depth for small bowls and accents.
• Two-inch depth better for medium fire pits to conceal burner rings.
• Multiply bags proportionally for larger installations.

How do I install and clean Stanbroil tempered fire glass?

Installation is straightforward: clear the burner area of debris, distribute glass evenly over a protective pan or lava rock base as needed, and keep glass away from direct burner ports to allow proper gas flow. Cleaning requires only occasional rinsing to remove dust or residue; a vinegar-and-water soak restores shine if needed.

• Evenly distribute glass; avoid covering burner ports directly.
• Rinse with water or vinegar solution to remove soot or buildup.
• Store unused glass in a dry container to keep color and finish.

Who is this product for? Stanbroil 1/4-inch Onyx Black fire glass is ideal for homeowners and designers who want a modern, low-maintenance finish for gas fireplaces, patio fire pits, or decorative gas bowls. It suits DIY installers updating an existing gas feature, landscapers specifying contemporary hardscape accents, and anyone seeking eco-friendlier alternatives to burning wood or combustible logs. If you need consistent color, reflective depth, and thermal durability in a manageable 10 lb package, this tempered fire glass is a practical choice.