Engineered for Strength. Designed for Performance.
Modern industrial and commercial buildings demand roofing systems that offer structural integrity, long-term durability, superior weather resistance, and an aesthetically pleasing finish. TRIMZAC™ Smart Trapezoidal Profile Sheet, installed by RK Engineering & Contractor (RKEC), is designed to meet these requirements while delivering exceptional performance for roofing and wall cladding applications.
At RK Engineering & Contractor, we specialize in the design, supply, and installation of high-quality roofing systems for Pre-Engineered Buildings (PEB), industrial sheds, warehouses, factories, commercial buildings, logistics parks, agricultural structures, and infrastructure projects across India.
TRIMZAC features a precision-engineered trapezoidal profile that provides excellent load-bearing capacity, efficient water drainage, and long-lasting protection. Combined with RKEC's professional installation expertise, it ensures a roofing system that is durable, leak-resistant, and built to perform for decades.
Whether you are constructing a new industrial facility or upgrading an existing structure, RK Engineering & Contractor delivers complete roofing solutions that combine quality, reliability, and engineering excellence.
Why Choose TRIMZAC™ Roofing with RKEC?
At RK Engineering & Contractor, we don't simply install roofing sheets—we deliver complete engineered roofing solutions designed for long-term performance and customer satisfaction.
Key Benefits
High Structural Strength
Lightweight Construction
Superior Weather Resistance
Excellent Rainwater Drainage
Leak-Resistant Profile Design
Corrosion Resistant Coatings
Fast & Professional Installation
Low Maintenance Requirements
Long Service Life
Attractive Architectural Finish
Suitable for Roofing & Wall Cladding
Cost-Effective Lifecycle Performance
Technical Specifications
Specification Details
Profile Type Trapezoidal Roofing & Wall Cladding
Effective Cover Width 1015 mm
Overall Width 1080 mm
Profile Height 28 mm
Pitch 203 mm
Steel Thickness 0.40 – 0.80 mm
Aluminium Thickness 0.60 – 1.20 mm
Steel Grades 245 / 345 / 550 MPa
Coating Options Z120, Z275, AZ150, AZ200
Sheet Length Custom Cut to Project Requirement
Engineered for Maximum Performance
The optimized trapezoidal profile enhances structural rigidity while ensuring efficient rainwater drainage. Its rib configuration improves load distribution, making it suitable for demanding industrial applications and long-span roofing systems.
The lightweight design minimizes structural loads, speeds up installation, and reduces project costs without compromising strength.
Premium Material Options
RKEC installs premium-quality roofing sheets manufactured from high-performance coated steel and aluminium.
Available material options include:
Galvanized Steel
Galvalume Steel
Colour Coated Steel
Aluminium Roofing Sheets
Zinc-Aluminium Coated Steel
Available finishes:
Polyester
SMP (Silicon Modified Polyester)
PVDF
High-Durability Coatings
Applications
TRIMZAC roofing systems installed by RKEC are suitable for:
Industrial Buildings
Manufacturing units, engineering workshops, fabrication facilities, process plants, and production units.
Warehouses & Logistics Parks
Distribution centres, logistics hubs, storage facilities, fulfilment centres, and cold storage warehouses.
Commercial Buildings
Retail complexes, office buildings, shopping centres, showrooms, and commercial establishments.
Institutional Buildings
Schools, colleges, hospitals, auditoriums, exhibition halls, and educational campuses.
Agricultural Structures
Poultry farms, dairy farms, livestock shelters, agricultural warehouses, and food storage facilities.
Infrastructure Projects
Metro stations, airports, railway stations, sports complexes, government buildings, and public infrastructure.
Professional Installation by RKEC
Proper installation is essential for maximizing the life of any roofing system. RKEC follows industry best practices to ensure safe, leak-proof, and durable installations.
Our installation process includes:
Accurate roof alignment
Proper side lap installation
Self-drilling screws with EPDM washers
Anti-capillary overlap positioning
Ridge and flashing installation
Quality inspection at every stage
Every project is executed by experienced engineers and skilled installation teams following strict quality standards.
Weather Protection
TRIMZAC roofing systems are engineered to withstand:
Heavy Rainfall
High Wind Loads
Extreme Heat
UV Radiation
Humidity
Corrosion
Dust
Industrial Pollution
These features make the profile ideal for industrial, commercial, and coastal applications where long-term durability is critical.
Compatible Roofing Accessories
RKEC supplies and installs complete roofing systems including:
Ridge Flashings
Valley Gutters
Corner Flashings
Turbo Ventilators
Ridge Ventilators
Polycarbonate Skylights
Roof Insulation Systems
Wall Flashings
Self-Drilling