About ColdMatrix

❄️ What Is ColdMatrix?

ColdMatrix is a digital tools platform that provides free, practical online calculators and engineering utilities for engineers, contractors, builders, business owners, technicians, and general users. Our tools simplify calculations for cold storage, sandwich panels, prefab construction, steel structures, material estimation, and everyday business needs.

But ColdMatrix is more than just a calculator website. It is directly connected to Cold Matrix Advanced Solutions — our professional engineering and construction business. This connection ensures every tool we build is rooted in real-world project experience, not just theory.

📜 Our Companies

Cold Matrix Advanced Solutions is a division of Saleem & Sons Enterprises, guided by the legacy of our late father, Muhammad Saleem Arain (Rest in Peace), whose hard work and vision continue to inspire everything we do.

🏗️ Cold Matrix Advanced Solutions

Cold Matrix Advanced Solutions is our professional engineering and construction business. We specialise in:

• PU/PIR Sandwich Panels — supply, installation, and fabrication
• Cold Storage & Cold Rooms — complete construction, fabrication, and installation
• Refrigeration Systems & Solutions — design, supply, and installation
• Cold Store Doors & Accessories — insulated doors, hinges, locks, gaskets
• Prefabricated Buildings & Warehouses — industrial and commercial prefab construction
• LGS (Light Gauge Steel) & PEB (Pre-Engineered Building) Structures
• Industrial Sheds & Structural Solutions
• Residential & Commercial Panel Blocks (offices, control rooms, living spaces)
• Refrigeration Vans for food & meat transport
• Portable Cabins & Site Offices
• Complete installation services for cold stores & PEB buildings

We work with reliable international brands for compressors and refrigeration equipment, including Bitzer (Germany), Copeland, Frascold, and Gianni condensing units, evaporators, and accessories.

🔧 What We Do

Our work covers the full spectrum of insulated and industrial construction:

• PU/PIR insulated wall and roof panel supply and installation
• Cold room design, fabrication, and construction
• Cold storage flooring and insulation solutions
• Refrigeration system design and project solutions
• Prefabricated warehouse and industrial building construction
• LGS and PEB structural solutions
• General insulated and industrial construction solutions

🎯 Our Approach

ColdMatrix Tools was not built by theorists. It was built by a cold-storage contractor with over 9 years of hands-on work. Every calculator, every recommendation, comes from real projects, real measurements, and real mistakes corrected over nearly a decade in the field.

We focus on practical calculations, reliable materials, professional installation, and project-oriented solutions.

🌍 Who We Serve

Our services and tools are built for:

• Engineers and contractors
• Builders and construction companies
• Cold storage and refrigeration professionals
• Prefab and PEB fabricators
• Business owners and project managers
• General users needing practical calculation tools

We serve clients across Pakistan and the UAE.

🏭 Local Manufacturing — Karachi, Pakistan

We now manufacture import-quality PU/PIR sandwich panels right here in Karachi, in collaboration with a trusted international partner. These panels meet the same standards we once imported from Dubai (Kingspan, TSSC, and Emirates Industrial Panels) — but produced locally to serve you faster and more affordably.

🧠 Experience You Can Trust

With 9+ years of practical, on-site cold storage experience, we have worked directly with world-leading brands – Bitzer (Germany), Copeland, Frascold, and reliable Gianni condensing units, evaporators, and accessories. Before local manufacturing, we spent three years importing premium panels, which gave us deep knowledge of international quality and thermal performance.

📍 Our Location

We serve clients in Karachi, Lahore, Islamabad, and all across Pakistan, as well as the UAE.