Expansion Joint Systems
MHPowell offers a comprehensive range of expansion joint systems for floor, wall, ceiling, roof, interior, and exterior applications, helping architects and contractors select the right solution for every project.Designed to safely accommodate building movement while maintaining the integrity, performance, and appearance of your structure.

Seismic Roof Joints
Our seismic roof joints provide flexible yet secure connections that withstand seismic activity and thermal expansion, safeguarding your building’s upper envelope.

Seismic Floor Joints
Engineered to absorb movement and vibrations, our seismic floor joints ensure structural integrity and safety during earthquakes while maintaining smooth, durable surfaces.

Seismic Wall & Ceiling Joints
Designed to accommodate building shifts and seismic forces, these joints protect walls and ceilings from cracks and damage, preserving aesthetics and strength.
Our Products
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Model ALHD & ALHDW
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Model ALHDS & ALHDSW
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Model BO & BOC
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Model CRR
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Model CRW
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Model DSB
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Model HDEXW
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Model KF
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Model KFM
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Model KH
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Model KHR
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Model NB & NBL
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Model NBSF
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Model NBTL
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Model P
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Model PTHD
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Model PTHDS
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Model PTHDT
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Model PTHDXL
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Model PTHDXW
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Model PU
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Model PUL
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Model PUXL
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Model RPP
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Model RPW
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Model RR
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Model RW
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Model TS
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Model WE
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Model WEF
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Model WEL
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Model WS
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Model WSL
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Model XX & XXL
Louvers
MHPowell provides solutions designed to meet the aesthetic, performance, and environmental requirements of each project. Our team works closely with architects, engineers, and contractors to identify the right louver system for every application.
Drainable Blade Louvers
Designed to maximize airflow while effectively managing water penetration, drainable louvers provide reliable weather protection for applications where both ventilation and moisture control are essential.
Architectural Louvers
Combining performance with design, architectural louvers enhance the building façade while providing ventilation solutions that integrate seamlessly with the project’s architectural intent.
Mechanical Louvers
Engineered for high-performance airflow, mechanical louvers are designed to meet the ventilation requirements of mechanical rooms, equipment enclosures, and HVAC applications while maintaining durability and efficiency.
Custom Extrusions
MHPowell delivers solutions tailored to meet your project’s unique design, structural, and performance requirements.
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Contact Info
Let’s Chat
Get in touch with us to discuss your design needs.

































