Contact Email
Support Phone Number
Contact Email
Support Phone Number
STARMODUL CONSTRUCTION SYSTEM
StarModul is a patented dry-construction system for bolted metal structures. It allows structural profiles to be assembled using precision mechanical connections, eliminating the need for welding at joints and simplifying the assembly of structures of various shapes and sizes. The tubes arrive cut to size and every part labelled, with step-by-step assembly plans: on site there is nothing to cut or weld, you just bolt it together.
What StarModul is
The system can be used with structural or solid tubing, with square or rectangular cross-sections, and is designed to streamline the assembly process: preliminary design, predefined components, bolted connections, and clean installation directly on-site.
It is designed for developers, builders, engineering firms and private clients who need a custom steel structure: homes, warehouses, porches, pergolas or extensions. StarModul supplies the complete kit (joints, cut tubes, panels, flashings and fasteners) and every structure is designed by an engineer.
Mechanical connections for assembling the structure without welding the joints.
A system designed to simplify and speed up assembly work.
It allows for the construction of structures of various sizes and configurations.
Profiles and thicknesses sized according to the project's loads and characteristics.
A bolted metal structure uses mechanical connections to join the sections that form columns, beams, frames, roofs, floor slabs, and other load-bearing elements. At StarModul, each joint is designed with a specific component that positions the sections and allows them to be secured with bolts.
By eliminating the need for welding during assembly, the installation can be carried out using conventional tools and a much more organized process. The system reduces the need for on-site adjustments and facilitates the preparation of materials in advance.
Its modular design allows for different configurations and, depending on the series used, enables work with steel, iron, aluminum, or wood profiles, as well as solutions compatible with IPN and HEB beams.
The result: a system of modular, demountable, dry-assembly metal structures that can be adapted to residential, industrial, and commercial projects.
Steel tubes used to form columns, beams, and load-bearing elements.
Parts specifically designed to untie different types of knots.
Mechanical fastening of the profiles to the structural joints.
The configuration and thickness of the profiles are determined on a case-by-case basis for each structure.
The system transforms the traditional assembly of a steel structure into a pre-designed and organized assembly process.
The geometry, dimensions, modularity, and positions of columns, beams, frames, and other necessary elements are defined.
Profile dimensions, thicknesses, joints, and fasteners are determined based on the specific loads and conditions of the project.
Profiles, joints, and components are organized according to the project documentation to simplify their identification on-site.
The profiles are assembled using StarModul connectors and the corresponding fasteners until the structure is complete.
StarModul joints are made of 3 mm steel sheet with electrolytic zinc plating and trivalent passivation (chromium VI free). For special applications, other steels can be considered, including stainless steel.
With trivalent passivation, chromium VI free.
Part formed from 3-mm-thick steel sheet.
3 mm DD11 sheet (EN 10111), from its 3.1 inspection certificate.
Value from the 3.1 certificate of the joint sheet.
Ductility of the sheet according to its certificate.
Steel for cold forming to EN 10111.
100×100 structural tube with zinc-magnesium coating, made to EN 10219 with CE marking and equivalent to S355JR. 3.1 certificate to EN 10204.
StarModul offers various series of connectors to suit different profiles and applications. The final selection should be based on the geometry, the intended use of the structure, and the corresponding calculations.
Compatible with steel, iron, and aluminum tubes and profiles, depending on the connector series.
The joint design also allows for the use of wooden profiles in compatible applications.
The system can be adapted to structural solutions that incorporate IPN and HEB profiles.
Square tubing: 100×100, 50×50, and 25×25 mm. Rectangular tubing: 100×50 mm. The published documentation indicates compatibility with different wall thicknesses.
GRAN OMEGA PURLINS
Roof purlins and façade girts are made with the Gran Omega purlin: a cold-formed galvanized steel section with holes every 50 mm that bolts straight onto the frames, with no cleats and no welding.
The system’s efficiency is based on connections that are fully accessible via fasteners. Assembly can be performed using standard tools—fixed wrenches, open-end wrenches, or ratchet wrenches—without the need for welding equipment.
Every finned joint is supplied with its own self-locking serrated fasteners, grade 8.8: a DIN 6921 serrated hex flange bolt to fix the joint to the tube, a DIN 931 part-threaded hex bolt as the through-bolt at hinges and pitched connections, and a DIN 6923 serrated hex flange nut (one per bolt). The 50×50 mm tube series (0055) uses M8 (M8×20 and M8×70) and the 100 mm tube series (1010, 0105 and 0510) use M10 (M10×25 and M10×120); some 0105 and 0510 parts take an M8×70 through-bolt. Joints without fins (SL25 and SL55) are supplied without fasteners, as are the omega pieces, the column bases and the reinforced foot.
In calculated structures (houses, industrial buildings) grade 8.8 M10 or M12 structural bolts and 6.3×25 reinforcing self-drilling screws are also used at every joint. Façade and roof sandwich panels are fixed with self-drilling screws with a neoprene washer that seals the hole; the neoprene is part of the panel fixing, not of the joints.
DIN 6921 serrated flange (self-locking) and DIN 931 through-bolt · Grade 8.8 · M8 (50 mm tube) or M10 (100 mm tube)
High-strength zinc-plated finish in accordance with the published specification.
Serrated hex flange nut (self-locking), DIN 6923; one per bolt.
The various types of joints make it possible to construct everything from simple structures to assemblies that require auxiliary fasteners, enclosures, or specific supports.
Recommended when the joint requires auxiliary fastening surfaces, anchors, panels, enclosures, or specific supports.
The most versatile option for standard applications involving steel tubing and, depending on the series, aluminum or wood profiles.
StarModul is a patented system, with a Registered Community Design and made in Spain. The joints are made of 3 mm steel sheet with electrolytic zinc plating and trivalent passivation (chromium VI free) and carry CE marking under the harmonised standard EN 1090-1 (system 2+, EXC2), with factory production control certificate 0370-CPR-2637. The joints were tested to failure at the LERMA laboratory of the Universitat Politècnica de Catalunya (UPC) in 2017–2018. See the joint loads and data for structural design.
Design Protection for the StarModul System.
Joints made in Spain.
Harmonised standard, system 2+, EXC2. Factory production control certificate 0370-CPR-2637.
Joints tested to failure at the LERMA laboratory of the Universitat Politècnica de Catalunya (2017–2018).
A system designed for clean, modular, and mechanically assembled installation.
The StarModul system combines the advantages of a metal frame with a mechanical assembly process: fewer on-site operations, high modularity, and the ability to disassemble or modify the structure.
Mechanical fasteners are used instead of welding when assembling profiles.
Pre-assembly and pre-screwing reduce the number of steps and simplify on-site installation.
The structure can be dismantled, modified, or expanded when the design and structural calculations allow it.
The components are predefined to facilitate squaring, positioning, and identification.
The different families of joints make it possible to accommodate a wide variety of geometries and configurations.
Homes, warehouses, pergolas, roofs, solar structures, enclosures, and custom projects.
The main difference between the StarModul system and a welded steel structure lies in how the joints are constructed. The bolted joints used in steel structures connect the profiles using specific mechanical fasteners, so that assembly can be performed off-site without having to weld each joint on-site.
This approach makes it possible to plan the structure before assembly, organize profiles, joints, and fasteners, and reduce ancillary work. The result is a more industrialized, clean, and easily repeatable process.
StarModul allows you to develop custom metal structures and to supply self-assembly structural kits with components prepared to facilitate installation.
For simple projects, you can also use the 3D metal structure configurator to define an initial geometry and determine the necessary components.
The system is suitable for residential, industrial, and commercial projects thanks to its various series of profiles and connectors.
Bolted solutions for industrial and manufacturing projects.
Tell us about the dimensions and specifications of your project, and our team will determine the most suitable StarModul solution.
REAL EXAMPLES
Photos of projects assembled with the StarModul bolted connection system. Click a photo to enlarge it.
StarModul connects profiles using bolted connectors. Each joint is designed with a specific connection, and the structure is assembled step by step without the need to weld the joints on site.
The catalog features both flanged and flangeless couplings, as well as a variety of geometric configurations for handling corners, T-joints, crossings, slopes, and other connections.
Not for assembling StarModul joints. The system is designed as a dry-construction system using mechanical fasteners and screws.
Depending on the fastening series, the published documentation covers steel, iron, aluminum, and wood profiles, as well as adaptations using IPN and HEB profiles. The published dimensions include square tubing measuring 100×100, 50×50, and 25×25 mm, and rectangular tubing measuring 100×50 mm.
Finned joints come with self-locking serrated fasteners, grade 8.8: a DIN 6921 serrated hex flange bolt to fix the joint to the tube, a DIN 931 part-threaded bolt as the through-bolt at hinges and pitched connections, and a DIN 6923 serrated hex flange nut. M8 (M8×20 and M8×70) for 50×50 mm tube and M10 (M10×25 and M10×120) for 100 mm tube. Joints without fins (SL25 and SL55) are supplied without fasteners.
Yes. StarModul offers kits in which profiles, connectors, and components can be prepared to facilitate their identification and assembly directly on-site.
The bolted, modular design makes it easy to disassemble, modify, or expand the system, provided that the new configuration is technically compatible and properly sized.
Flange connections incorporate auxiliary surfaces for fasteners, enclosures, or supports. Non-flange connections offer a cleaner and more versatile solution for many standard configurations.
PROJECTS AND GUIDES
APPLICATIONS
The same bolted joints and galvanised steel tube work for many types of structure.
HousesGalvanised steel frame and complete kit for your home.View
Industrial buildingsBolted buildings: spans of up to 12 m with tube and up to 20 m with IPE sections.View
Custom structuresWe design the structure to your dimensions and use.View
Porches and pergolasAttached or free-standing porches, pergolas and garden roofs.View
Garages and carportsGarages, carports and storage sheds.View
Bungalows and cabinsCabins, bungalows and small auxiliary buildings.View
Solar panelsGalvanised mounting structures for PV panels.View
Car washesStructures and roofs for car wash bays.ViewTell us about your project
Leave your name, phone number and the town where the project is: we will call you to work out the StarModul solution that fits it best.
Prefer to talk now?
