Technical Support & Engineering Resources

 

Access engineering data, material specifications, and structural calculation parameters for insulated metal panel projects.

 

Technical Support Overview

 

This portal provides project engineers, contractors, and specifiers with verified technical documentation and structural calculation metrics under ASTM, EN, and GB frameworks. Contact our engineering group directly for project-specific submittals, load span tables, or custom structural detailing.

 

Product Selection Guide

 

Core Material Matching:

Specify PIR for high thermal efficiency and fire behavior; select Rock Wool for non-combustible hourly fire ratings; utilize EPS for cost-sensitive, dry environments.

Thickness Matrix:

Standard thicknesses range from 50mm to 200mm. Select thickness based on regional climate zone U-value compliance mandates.

Panel Specification Guide

 

Technical Parameter

Specification Range

Test Standard / Reference

Face Sheets

Prepainted Galvalume / Hot-Dip Galvanized Steel (0.4mm - 0.8mm)

ASTM A792 / EN 10346

Core Densities

PIR: 40 +/- 2 kg/m3
Rock Wool: 80 - 120 kg/m3

ISO 845 / EN 1602

Effective Widths

Wall: 1000mm - 1150mm
Roof: 950mm - 1000mm

Factory Standard

Thermal Conductivity

PIR: lambda <= 0.022 W/(mK)
Rock Wool: lambda <= 0.038 W/(mK)

EN 12667 / ASTM C518

Standard Lengths

2.0m to 11.8m (Max container limit 11.8m for 40'HQ)

Transport Tolerances

 

Material Selection

 

Substrate Protection: Hot-dip galvanized steel with minimum Z275 (275 g/m2) zinc coating or Galvalume (AZ150) to prevent sub-surface oxidation.


Coating Systems:
SMP: Standard industrial durability (20 - 25 um topcoat).


PVDF: Minimum 70% Kynar 500 resin for UV resistance, coastal zones, and chemical plants.


Food-Safe PVC/PET Laminates: Applied to interior faces for cleanrooms and food processing facilities.

 

Technical Guidance
 
 

Thermal Expansion:

Fixation layout must account for steel skin thermal movement on continuous spans exceeding 6m. Use sliding clips for long roof runs.

 
 
 

Vapour Barrier:

Tongue-and-groove joints must be sealed with butyl tape or factory-injected polyurethane gaskets in high-humidity environments.

 
 
 

Deflection Limits:

Verify purlin spacing under wind and snow loads. Do not exceed allowable deflection limits (L/200 or L/250).

 

 

Fire Performance Guide

 

 

PIR Core:

Achieves B-s1, d0 fire rating (EN 13501-1). Forms a carbonaceous char layer upon flame exposure to mitigate smoke propagation.

 

Rock Wool Core:

Non-combustible Class A1 rating. Provides up to 4 hours of fire integrity per ASTM E119 / EN 1364-1.

 

Flame Spread Index:

Tested per ASTM E84 (Flame Spread Index < 25, Smoke Developed < 450).

 

 

Roofing & Wall Panel Selection

 

Roof Panels:

Incorporate 3-rib or 4-rib trapezoidal exterior profiles (height >= 30mm) with concealed or through-fix systems. Requires a minimum roof pitch of 5 degrees (1:12) for drainage.

 

Wall Panels:

Utilize hidden-fix interlocking tongue-and-groove profiles that conceal fasteners, eliminating thermal bridges and water infiltration paths.

Cold Storage Technical Guide
Cam-Lock Integration:
High-density polyurethane (45 kg/m3) joints fitted with eccentric cam-locks for airtight alignment in chillers.
Thermal Break:
Continuous insulation paths at corners and floor junctions using thermal break extrusions.
Vapor Pressure:
Facilities operating below -25 degrees C require pressure relief valves and specialized silicone perimeter sealants to prevent ice accumulation.

 

Installation Guide

 

Substructure Inspection:

Verify purlin alignment, squareness, and corrosion protection before panel erection.

01

Base Channel:

Install galvanized base tracks with closed-cell foam insulation tape to isolate concrete slabs.

02

Erection:

Lift panels using vacuum lifters. Plumb and level the starter panel.

03

Fastening:

Drive self-drilling carbon steel fasteners with EPDM washers perpendicular to the panel surface. Do not over-torque.

04

Flashing & Trim:

Install ridge caps, corner flashings, and drip edges with joint sealant to ensure weather envelope closure.

05

 

Installation Support
 

Erection Manuals:

PDF documentation covering flashing details, corner treatments, and penetration flashing.

CAD/BIM Details:

Standard drawing blocks (DWG and IFC formats) for architectural detailing.

Engineering Troubleshooting:

Direct access to technical support staff for real-time site queries.

 

Project Technical Consultation

 

Custom Engineering Review: Submit structural layout drawings for panel span optimization and BOM auditing.


Submittal Packages: Request technical data sheets, test certificates, and material compliance letters for local authority approval.

 

Technical FAQ

 

Q: What is the maximum unsupported span for roof panels?

A: Dependent on thickness, core type, and wind load. A 100mm PIR roof panel typically spans up to 3.0m under a 1.5 kN/m2 uniform load. Refer to span tables for exact engineering limits.

Q: Can panels be cut to length on-site?

A: Cutting exterior steel skins with abrasive discs (angle grinders) damages anti-corrosion coatings via thermal sparks. Use low-speed metal shears or nibblers, and touch up exposed edges immediately.

Q: How do concealed-fix wall panels handle thermal movement?

A: Hidden-fix systems use slotted clips that allow the outer steel skin to expand and contract longitudinally relative to structural girts.