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Square Edge Tile
Versatile square edge tiles provide flush, seamless alignment and reliable thermal shielding across flat surfaces.
*These Square Edge Tiles are compatible with Cleaver-Brooks boilers.
Part # | Diameter | Model | HP Range
In-stock items. Order by 2:00 PM EST for Same-Day Shipping.
*Halmar Corporation offers many Cleaver-Brooks aftermarket parts. Halmar Corporation is not a factory authorized sales representative for Cleaver-Brooks, nor is Halmar Corporation affiliated with Cleaver-Brooks in any way. Cleaver-Brooks is a registered trademark of Cleaver-Brooks, Inc., Thomasville, GA.
Some aftermarket parts may be made by other manufacturers.
Need Help Identifying the Right Tile?
Mismatched refractory dimensions can disrupt burner air profiles and create dangerous external hot spots. Our team can review your equipment prints and cross-reference dimensions to ensure a precise fit.

Frequently Asked Questions About Square Edge Tiles
What is a square edge tile and what is its primary function?
A square edge tile is a versatile, straight-sided refractory block engineered to create a completely flush, seamless thermal lining across flat internal combustion surfaces. Its primary function is to deliver high-performance thermal shielding over extended furnace walls, floor arrays, and flat insulating zones. By nesting tightly together without deep dimensional gaps, these boiler refractory tiles form a robust barrier that reduces external system energy losses and blocks extreme radiant heat from reaching the outer boiler shell.
Why is achieving tight joint alignment so critical for square edge tile arrays?
Because square edge tiles lack the interlocking structural tongue-and-groove profiles found on lock joint designs, maintaining exact joint tolerances during a repair is critical. If gaps open up between flush surfaces, high-velocity flames and corrosive flue gases will slip between the bricks. This heat bypass creates direct hot spots on the underlying structural steel frame, which leads to warped casing sheets, insulation failure, and costly emergency shutdowns. Sourcing precise, domestically cast replacement boiler refractory tiles ensures a flat fit that safeguards your plant infrastructure.
Why should facility managers source aftermarket square edge tiles from Halmar over an OEM distributor?
Sourcing flat refractory blocks or matching lining kits directly from factory original equipment manufacturers (OEMs) often exposes mechanical contractors to long supplier backorders, distributor friction, and high price premiums. Halmar functions as an independent manufacturer, handling the complete casting and controlled curing process entirely inside our modern facility in Louisville, Kentucky. We carry an extensive catalog of premium aftermarket boiler parts directly on our shelves, allowing us to supply outstanding material density, precise edge profiles, and fast same-day shipping on all in-stock products.
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