Heavy Duty Portal Frame Scaffolding System | High Load-Bearing Steel Structure Quick Assembly Safe Cross-Bracing

Heavy Duty Galvanized H Frame Scaffolding Foldable Mobile Scaffold Frame

1. Product Introduction

This galvanized H frame scaffolding is a modular steel platform for crews that need to raise a level quickly. Each set contains two welded H frames, a pair of diagonal cross braces and one perforated steel walk board. Frames fold flat for truck loading and stack on coupling pins for extra height.

2. Characteristics

Foldable H frame design that cuts storage and truck space

Galvanized grid walk board with an open perforated surface

Quick-lock pins and stacking coupling pins, no loose bolts

Welded Q235 steel tube frames with consistent rung spacing

3. Technology

Frames are fabricated from industrial-grade Q235 carbon structural steel tube and welded on fixed fixtures, so rung spacing and frame outline stay identical unit after unit. Galvanizing is applied after welding and covers the welded joints as well as the tube, leaving no bare seam where rust starts.

4. Theory

Working height is created by stacking one H frame on another. Vertical loads travel down the legs into the base plates, while the diagonal braces carry horizontal and wind loads back into the frame, holding the bay square and the board level. Extra height adds bays instead of stressing one joint.

5. Application / Usage

Widely used for building construction, masonry, plastering, painting, facade decoration, ceiling access, interior fit-out and maintenance work.

6. Advantages / Selling Points

1. High load capacity from balanced load distribution across legs and base plates
2. Precision welded Q235 steel construction for long service life
3. Galvanized grid platform that resists corrosion and drains rainwater
4. Quick-lock pins that let one worker assemble a bay without spanners
5. ISO 9001 quality system covering the full production chain

8. Service

OEM and ODM orders, customised frame sizes, sample orders, technical drawings and container loading plans before shipment.

9. FAQ

Q1. Can the frames be stacked?

Yes. Stacking coupling pins let one frame lock on the frame below, so height is added bay by bay.

Q2. How many workers assemble one bay?

One, because every connection is a push-and-lock step.

Company Profile

Sichuan Xinshenghang Technology Co., Ltd. is a professional scaffolding manufacturer with 16 years of industry expertise. We operate 5 production facilities spanning over 60,000 sqm and employ 200+ skilled workers. Our core products cover Ringlock scaffolding, steel props, frame scaffolding, and a complete range of scaffolding accessories, delivering a one-stop solution for high-rise buildings, bridges, tunnels, and industrial facilities worldwide. All products are fabricated from high-strength Q355B/Q235 steel with automated CNC welding and undergo full-process hot-dip galvanizing for superior corrosion resistance and durability. Backed by an ISO-certified quality control system and a standing inventory of 30,000+ units, we guarantee 24-hour dispatch on standard components. Our products are trusted across Europe, the Americas, Southeast Asia, the Middle East, Asia, and Belt and Road countries. Welcome to contact us for a quote.