ribzac a hi strength rib trapezoid

# RIBZAC™ Hi-Strength Rib Trapezoidal Roofing & Cladding Profile **Strong Profile. Efficient Coverage. Reliable Roofing & Cladding.** **RKPEB RIBZAC™** is a hi-strength trapezoidal roofing and wall cladding profile developed for industrial, commercial and residential building applications. Featuring **35 mm deep ribs and mini stiffening ribs**, RIBZAC™ is designed to provide enhanced profile rigidity and strength while maintaining a clean, contemporary appearance. The trapezoidal profile supports efficient rainwater drainage and is suitable for a wide range of roofing and wall cladding applications. RIBZAC™ has a **1000 mm effective cover width**, **1090 mm overall sheet width** and **250 mm rib pitch**. The end ribs feature an **anti-capillary groove** designed to help reduce water movement through the side-lap area. The **return leg** provides additional support at the side lap and contributes to a secure sheet-to-sheet connection. RIBZAC™ is available in **Galvanised/PPGI steel, Galvalume steel and aluminium**, with multiple coating, grade, gauge, finish and colour options. Custom sheet lengths can also be supplied according to project requirements. ## Key Specifications * **Profile:** RIBZAC™ Hi-Strength Rib Trapezoidal * **Effective Cover Width:** 1000 mm * **Overall Sheet Width:** 1090 mm * **Rib Height:** 35 mm * **Rib Pitch:** 250 mm * **Steel Gauge:** 0.40–0.80 mm * **Aluminium Gauge:** 0.60–1.20 mm * **Galvanised / PPGI:** Z120 / Z275 — 245 / 345 / 550 MPa * **Galvalume:** AZ150 / AZ200 — 245 / 345 / 550 MPa * **Aluminium Finish:** Plain / Stucco Embossed / Colour Coated * **Custom Lengths:** Available * **Length Tolerance:** ±10 mm * **Width Tolerance:** ±6 mm ## Key Features **35 mm Deep Ribs:** Provide increased profile depth to support rigidity and strength. **Mini Stiffening Ribs:** Additional ribs enhance profile rigidity while maintaining an efficient sheet configuration. **1000 mm Effective Cover:** Provides efficient coverage for roofing and cladding applications. **Anti-Capillary Groove:** Helps reduce water movement through the side-lap area when correctly installed. **Return Leg:** Provides additional support at the side lap and helps create a secure connection between adjacent sheets. **Efficient Drainage:** The trapezoidal geometry supports effective rainwater drainage when installed with the appropriate roof slope and detailing. **Multiple Material Options:** Available in Galvanised/PPGI steel, Galvalume steel and aluminium. **Custom Lengths:** Sheets can be supplied in custom lengths according to project requirements, subject to manufacturing, handling and transportation considerations. ## Material & Grade Options **Galvanised / PPGI Steel** * Z120: 245 / 345 / 550 MPa * Z275: 245 / 345 / 550 MPa **Galvalume / Aluminium-Zinc Coated Steel** * AZ150: 245 / 345 / 550 MPa * AZ200: 245 / 345 / 550 MPa **Aluminium** * Plain * Stucco Embossed * Colour Coated ## Applications RIBZAC™ is suitable for: * Industrial Roofing * Factory & Warehouse Roofing * Industrial Sheds * Commercial Buildings * Residential Roofing * Industrial Wall Cladding * Factory & Warehouse Wall Cladding * Architectural & Functional Cladding ## Why Choose RIBZAC™? * Hi-strength trapezoidal profile * 35 mm deep ribs * Mini stiffening ribs * 1000 mm effective cover width * 250 mm rib pitch * Anti-capillary groove * Efficient water drainage * Steel and aluminium options * Multiple coating and grade options * Multiple finishes and colours * Custom sheet lengths available ## Frequently Asked Questions **What is RIBZAC™?** RIBZAC™ is a hi-strength trapezoidal metal profile for roofing and wall cladding applications in industrial, commercial and residential buildings. **What is the effective cover width?** RIBZAC™ has a **1000 mm effective cover width** and **1090 mm overall sheet width**. **What is the rib height and pitch?** The profile has a **35 mm rib height** and **250 mm pitch**. **What materials are available?** RIBZAC™ is available in **Galvanised/PPGI steel, Galvalume steel and aluminium**. **Can custom lengths be supplied?** Yes. RIBZAC™ can be supplied in custom lengths according to project requirements. ## RIBZAC™ by RKPEB RIBZAC™ combines a practical trapezoidal profile with multiple material, grade, gauge, finish and colour options for modern roofing and wall cladding requirements. **Contact RKPEB for RIBZAC™ specifications, pricing and project requirements.**