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Expansion Joint Wall Tile
Flexible expansion joint wall tiles safely absorb massive thermal shifts to prevent structurally costly cracks.
*These Expansion Joint Wall Tile are compatible with Cleaver-Brooks boilers.
Part # | Diameter | Model | HP Range
- 872-416Expansion Joint Tile
- 872-417Expansion Joint Tile
- 872-414Expansion Joint Tile
- 872-415Expansion Joint Tile
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 Expansion Joint Wall Tiles
What is an expansion joint wall tile and what is its main purpose?
An expansion joint wall tile is a specialized, interlocking refractory block designed to absorb continuous shifting inside a boiler’s combustion furnace lining. Its main purpose is to create a dynamic, flexible space within the insulation wall. Because raw refractory materials swell drastically as they heat up, these boiler refractory tiles slide or compress alongside your layout design, safely absorbing structural stress and keeping the entire lining wall from cracking under extreme thermal growth.
What happens if expansion joint wall tiles fail or lock up?
If an expansion joint tile becomes physically jammed by slag, breaks apart, or is omitted during an over-the-counter repair, the surrounding wall zone will lock tight. As the boiler cycles up to standard steam or hot water temperatures, the expanding brick tracking forces tiles to push aggressively against one another. Without a dynamic relief point, this excessive material compression leads to advanced spalling (chipping), crushed brick sections, and widespread structural wall collapses that allow radiant heat to blister the outer boiler shell. Sourcing durable replacement boiler refractory tiles preserves these expansion margins.
Why source aftermarket expansion joint wall tiles from Halmar instead of an OEM?
Ordering legacy or specialty sealing shapes directly from an original equipment manufacturer (OEM) often subjects facility crews to lengthy distributor backorders and heavily marked-up pricing lines. Halmar stands as an independent, domestic manufacturer that controls the entire casting, curing, and dimensional testing framework inside our organized warehouse facility in Louisville, Kentucky. We maintain stock of critical aftermarket boiler parts directly on our shelves, allowing us to deliver superior material density, precise joint alignment, and fast same-day shipping to keep your turnaround projects moving on time.
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