Square Fire Pit Ring Insert, 42x42 in, Carbon Steel

Square fire pit ring insert creates a safer, cleaner-lined burn area for backyard fires by containing heat and protecting surrounding stone or brick. Built from heavy-duty carbon steel with a high-temperature black coating, this 42" outer / 36" inner fire pit liner delivers generous room for firewood and improved airflow for steady flames. Install it above ground as a standalone campfire ring or set it in-ground for a custom DIY fire pit build.

• Delivers a durable liner with carbon steel construction and high-temperature coating for outdoor heat exposure


• Fits DIY builds with stone, brick, or landscape blocks, or use alone as an in-ground fire pit insert


• Provides ample space with 36" x 36" inner opening to hold more wood and support airflow


• Installs fast with 8-panel design; includes screws and wrench for straightforward assembly


• Supports outdoor use for patios, gardens, camping, bonfires, and seasonal gatherings

Whether you’re upgrading an existing fire pit or building a new square fire feature from the ground up, this steel fire pit liner helps keep your setup tidy, stable, and easy to maintain. The panel design makes transport and storage simpler than one-piece rings, while the 10" height helps contain embers and fuel. Pair it with pavers, stone, or brick for a custom look, or bury the base for an in-ground campfire area. Grab yours today and start building your next outdoor gathering spot.

• Type: Square fire pit ring insert / liner


• Outside size: 42 x 42 in (1066.8 x 1066.8 mm)


• Inside opening: 36 x 36 in (914.4 x 914.4 mm)


• Height: 10 in (254 mm)


• Material: Q235 carbon steel


• Finish: Black high-temperature coating


• Construction: 8 sections/panels


• Product weight: 33.95 lb (15.4 kg)


• Listed thickness: 0.1 in (2.5 mm); also noted as 0.06 in (1.5 mm)