When your project requires structural framing, insulation, sheathing, and vapor control to work together, the panel system you choose affects how efficiently those requirements come together. We manufacture Steel Structural Insulated Panels for Maryland builders, contractors, architects, engineers, developers, and project teams, producing panels around project specifications and preparing them for installation before delivery.
Metal SIP Panel Manufacturer in Maryland for Efficient Building From the Start
50+
YEARS MANUFACTURING
UP TO 75%
LOWER HEATING & COOLING COSTS
R61
INSULATION VALUE
4 IN 1
BUILDING SYSTEM

What Goes Into a Maryland Metal SIP Panel
Structural insulated panels in Maryland bring structural framing, insulation, sheathing, and vapor control into one factory-produced component. Our panels combine light-gauge steel framing with a rigid EPS insulation core, while a thermal break separates the interior and exterior steel components. Together, these elements create a coordinated structural and insulated panel assembly.
Panels are manufactured around the project’s specifications, including dimensions, openings, quantities, configurations, and intended applications. Components are precision cut, marked, labeled, and prepared before delivery, with applicable drawings and accessories coordinated around the project. This moves much of the measuring and cutting work into the manufacturing process and gives crews prepared components to work with onsite.
Why Factory Manufacturing Changes the Construction Process
Project-Specific Production
Panel production starts with the requirements of the individual project. Dimensions, openings, quantities, configurations, and applications can be established before manufacturing so the finished components correspond with the building plans.
Less Onsite Fabrication
Measuring, cutting, marking, and panel preparation take place before delivery. Crews receive components prepared around the project rather than starting with materials that require extensive fabrication during framing.
Coordinated Components
Structural framing and insulation arrive within the same manufactured panel assembly. This reduces the number of separate components crews need to coordinate as the structure moves from framing toward enclosure.
Organized Installation
Panel identification, project drawings, and preparation give installation teams information about each component and its intended location. This creates a more organized transition from the approved plans to panel assembly.
Residential & Commercial Projects From One Panel Manufacturer
Residential construction requires careful coordination between the building layout, openings, structural framing, insulation, and finished envelope. We manufacture metal SIP panels for homes in Maryland around the requirements of custom homes, additions, accessory dwelling units, tiny homes, and other residential projects. The panel package brings structural and insulation functions together around the dimensions and design established for the home.
Commercial projects introduce additional considerations around building scale, quantities, openings, scheduling, and coordination between multiple project professionals. For teams planning commercial SIP construction in Maryland, we manufacture panel packages around the project’s plans and intended applications. Contractors, architects, engineers, developers, and other project professionals can coordinate panel requirements before production begins.

Panel Configurations for Different Building Applications
Different portions of a building require different panel configurations. Our product line includes panels for walls, roofs, concrete floors, shear walls, high-wind applications, foundations, below-grade construction, and ceilings, allowing project teams to select the configuration according to the building component and intended use.
Wall Panels
X Panels serve primarily as exterior wall panels in 5.5- and 7.5-inch configurations, with effective thermal performance from R51 to R61. I Panels serve primarily for interior walls and applicable tiny-home construction, with 3.5-inch panels providing R28 performance.
Roof & Floor Panels
R Panels provide insulated roof construction in 5.5- and 7.5-inch configurations, with effective thermal performance from R51 to R61. F Panels serve as stay-in-place forms for reinforced concrete floor systems, with the 7.5-inch configuration providing R58 performance and supporting spans up to 40 feet clear under specified conditions.
Shear & High-Wind Panels
S Panels support shear wall applications with thermally broken construction and structural bracing. H Panels address high-wind applications and include configurations designed, tested, and certified for wind conditions up to 185 MPH under applicable system requirements.
Foundation & Ceiling Panels
B Panels support foundations, knee walls, retaining walls, and other below-grade applications, with the 7.5-inch configuration providing R61 performance. C Panels provide insulated ceiling construction beneath trusses or on bearing walls, with available configurations ranging from R28 to R61.
What Your Project Requires Before Manufacturing
Plans & Dimensions
The panel package starts with the information available for the building. Architectural plans, dimensions, layouts, and intended panel applications establish the basis for production and help determine the appropriate configurations.
Openings & Configurations
Doors, windows, rough openings, panel types, quantities, and other project details can be coordinated before manufacturing. Establishing these requirements in advance helps the finished panels correspond with their intended locations.
Structural & Technical Requirements
Available structural information, load requirements, connection details, specifications, and other technical documentation can help establish the manufacturing requirements for the project. Architects, engineers, contractors, builders, and owners can coordinate these details as the panel package develops.
Project Coordination
Clear project information helps move the order toward production with fewer unresolved details. Our team can work from drawings, dimensions, specifications, or an initial project concept to clarify the panel requirements before manufacturing begins.
Performance Information for Maryland Projects
Continuous EPS Insulation
Maryland’s cold winters and humid summers place year-round demands on the building envelope. The rigid EPS core extends through the panel assembly, providing continuous insulation across the insulated portion of the component. Applicable configurations reach effective thermal performance up to R61, giving project teams access to high R-value SIP panels in Maryland when the selected configuration and project requirements call for that level of insulation.
Thermally Broken Steel Framing
A thermal break separates the interior and exterior steel components within the panel. This reduces the direct thermal path through the steel while maintaining insulation continuity through the EPS core and supporting the thermal characteristics of the assembly.
Structural & Building Performance
Light-gauge steel framing forms the structural portion of the panel assembly and supports applicable wall, roof, floor, shear, foundation, and other structural applications according to the selected configuration and project requirements. Architects and engineers can review structural information, load data, connection details, and other technical documentation when evaluating the system.
Fire, Smoke & Mold Resistance
The panel assemblies provide mold resistance along with smoke and fire resistance, with applicable assemblies identified as non-combustible. These characteristics provide additional performance information for teams specifying panels for residential, commercial, and specialized construction.
From Approved Requirements to Finished Panels
Project Review
Plans, dimensions, openings, quantities, applications, panel configurations, and available technical requirements establish the panel package. Our team can coordinate with architects, engineers, contractors, builders, and owners to clarify requirements before production begins.
Precision Manufacturing
Once the requirements are established, panels move into project-specific production. Components are precision cut, marked, labeled, and prepared according to the established configuration, moving much of the measuring and cutting work away from the jobsite.
Panel Identification
Finished panels are numbered and organized around the project layout so installation teams can identify each component and its intended location. Corresponding drawings and assembly information provide additional guidance during installation.
Delivery & Assembly Information
The completed panel package is prepared for delivery with applicable drawings, accessories, and technical documentation. This gives project teams organized components and relevant information as the work moves toward assembly.
Manufacturing Experience Behind Your Project
More Than Five Decades of Manufacturing
Since 1970, ThermaSteel Inc. has manufactured structural insulated panels for residential, commercial, industrial, agricultural, institutional, and specialty applications. That experience supports projects with different building types, configurations, and technical requirements.
75,000+ Projects Worldwide
More than 75,000 completed projects worldwide have used the panel system across a broad range of construction applications. Projects have included different panel types, dimensions, configurations, and levels of technical coordination.
Technical Resources for Project Teams
Architects, engineers, contractors, and builders can access technical information covering structural requirements, load information, connection details, shop drawings, specifications, testing, and applicable performance documentation.
Support From Quote Through Production
Project support can begin with drawings, dimensions, project details, or an initial concept. Our team can assist with estimating, technical questions, manufacturing requirements, project coordination, and the information needed to move the panel order toward production.
Panel Manufacturing Across Maryland
Projects throughout Maryland can receive panels manufactured around their specific dimensions, openings, configurations, and construction requirements. ThermaSteel works with project teams across the state, supporting residential, commercial, industrial, agricultural, and specialty construction from initial requirements through panel production.
Have a project outside these communities? Contact us with your location, plans, and project requirements so we can discuss the appropriate panel configuration and manufacturing requirements.
Questions Before Ordering Your Maryland Panels
Which panel configuration does my project need?
The appropriate configuration depends on where the panel will be used and the requirements of the building. X Panels serve primarily as exterior wall panels, I Panels as interior wall panels, R Panels as roof panels, F Panels for concrete floor applications, S Panels for shear walls, H Panels for high-wind applications, B Panels for below-grade construction, and C Panels for ceilings.
Can you manufacture panels for both residential and commercial projects?
Yes. The panel system supports custom homes, additions, ADUs, multifamily construction, offices, retail properties, warehouses, industrial facilities, agricultural buildings, and other residential, commercial, and specialty applications.
Can you manufacture panels around our Maryland project plans?
Yes. Panels can be manufactured around project dimensions, openings, configurations, quantities, and application requirements. Shop drawings can incorporate relevant project details before the panels move into production.
How are panels prepared before they reach the jobsite?
Panels are precision cut, marked, labeled, and prepared around the project requirements. Applicable drawings, assembly information, and accessories can accompany the panel package so installation teams have organized components ready for the next stage of construction.
What information do you need for a project quote?
Start with your project plans, building type, intended panel applications, dimensions, openings, quantities, and any available architectural or structural information. Our team can use those details to discuss the appropriate configuration and manufacturing requirements.
Move Your Maryland Project Toward Production
Your panel package should start with the actual requirements of your building. Share your Maryland project plans, dimensions, applications, or initial specifications with our team, and we can discuss the appropriate panel configuration, manufacturing requirements, and next steps toward production.