Direct Technical Linehello@hazellaminates.com
WhatsApp Support+91 92901 24174
Registered OfficeH.No: 13, Devton Bazar, Bollaram, Alwal, Opposite to Ratnadeep Super Market, 500010
EN 438-7 & DIN 7337 Substructure Fasteners • Architectural Powder Coating

HPL Facade Fixing Colour Rivets
& Heavy-Duty Contractor Riveter Guns.

Factory powder-coated blind rivets with 16mm anti-pullthrough flanges precisely matched to Hazel woodgrain, solid, and stone exterior decors, paired with heavy-duty compound lever and swivel riveter tools engineered for facade contractors.

Fastener Engineering: High-Pressure Laminate exterior rainscreens expand and contract up to 2.5 mm per meter under seasonal temperature swings. Hazel colour-matched facade rivets feature a 16 mm extra-large flange (K16) and high-tensile AlMg5/SS304 alloy that securely clamps panels without crushing or cracking. When installed with 1 Fixed Point and oversized Floating Points using our compound lever riveter guns, they guarantee zero panel warping and 100% rust-free facade performance.

Anti-Pullthrough
16mm Flange

Spreads negative wind suction across panel surface.

Anti-Corrosion
SS304 / SS316

Stainless steel mandrels prevent unsightly rust runs.

Finish Stability
100% UV Baked

Baked polyurethane coating won't chip or discolor.

Contractor Tools
Compound Ratio

Fatigue-free setting of structural stainless rivets.

Engineered Substructure & Fastening Line

Colour Rivets & Contractor Riveter Guns

Every exterior ventilated facade panel requires certified fasteners that match decor color codes and accommodate thermal expansion. Explore factory-coated 16mm flange rivets and heavy-duty compound riveters built for facade contractors.

Shade Group:
Woodgrain Match
16mm Flange

Architectural Walnut Brown

UV-baked polyurethane powder-coated head matched precisely to natural dark walnut woodgrain exterior HPL elevations.

Decor Match:Hazel American Walnut Deep & Smoked Walnut
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 12.5 mm (for 8mm HPL)
Tensile Strength:4,200 N
Woodgrain Match
16mm Flange

Burma Golden Teak

Rich honey-amber tone with satin low-glare texture for architectural warmth on villa facades and soffit paneling.

Decor Match:Hazel Burma Golden Teak & Natural Teak
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 12.5 mm (for 8mm HPL)
Tensile Strength:4,200 N
Architectural Solids
16mm Flange

Anthracite Slate Grey

High-spec architectural matte dark grey. Zero color drift under aggressive ultraviolet and monsoonal exposure.

Decor Match:Hazel Anthracite Slate & Deep Charcoal HPL
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 14.0 mm
Tensile Strength:5,800 N
Stone & Corten
16mm Flange

Rustic Corten Copper

Specialized multi-tone textured powder coating engineered to blend invisibly against oxidized corten metal finishes.

Decor Match:Hazel Weathered Corten Rust & Oxide Metal
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 12.5 mm
Tensile Strength:4,200 N
Architectural Solids
16mm Flange

Polar Architectural White

Chalk-resistant high-reflectance pure white coating conforming to Qualicoat Class 2 architectural standards.

Decor Match:Hazel Polar White & Alpine Matte HPL
Body / Mandrel:AlMg5 / SS304
Grip Range:6.0 mm – 11.0 mm (for 6mm HPL)
Tensile Strength:4,200 N
Architectural Solids
16mm Flange

Matte Jet Obsidian

Deep matte micro-textured black. Widely specified for shadow reveals, dark corner profiles, and high-contrast facades.

Decor Match:Hazel Noir Black & Shadow Dark HPL
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 13.0 mm
Tensile Strength:5,800 N
Metallic Finish
16mm Flange

Champagne Silver Metallic

Mica-infused metallic coating with subtle sheen replicating architectural brushed aluminum accents.

Decor Match:Hazel Titanium Silver & Anodized Metallic HPL
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 12.5 mm
Tensile Strength:4,200 N
Stone & Corten
16mm Flange

Travertine Sandstone

Warm neutral sandstone tone for institutional facades, residential podiums, and exterior stone-look cladding.

Decor Match:Hazel Beige Travertine & Roman Stone HPL
Body / Mandrel:AlMg5 / SS304
Grip Range:8.0 mm – 12.5 mm
Tensile Strength:4,200 N
Engineering Guidelines (DIN 7337 / EN 438-7)

Technical Fastener & Subframe Matrix

Correct facade fastening geometry is critical to prevent thermal stress fractures. Follow the official Hazel engineering specifications below when detailing aluminium or steel subframes.

Hazel Architectural Facade Rivet Specifications

Standard technical values for 4.8 mm and 5.0 mm large-flange blind pop rivets.

Rivet Diameters4.8 mm (3/16") & 5.0 mm standard
Head Diameter (Flange)16.0 mm (Large Flange K16) conforming to EN 438-7
Flange Thickness2.0 mm low-profile aerodynamic dome
Body MaterialAlMg5 (5056 Aluminium Alloy) or A2 (AISI 304) Stainless Steel
Mandrel MaterialA2 (AISI 304) or A4 (AISI 316) grooved high-retention stainless steel
Color Coating TechnologyArchitectural UV-resistant polyester powder coat (baked @ 200°C)
UV ColorfastnessGrey Scale 4–5 under accelerated Xenon Arc (EN ISO 105-A02)
Salt Spray ResistanceASTM B117 / ISO 9227 > 1,000 hours with 0 red rust
Standard Grip Ranges4.8x16 (6-10.5mm), 4.8x18 (8-12.5mm), 4.8x21 (11-15.5mm)
Recommended Hole in HPLFixed Point: 5.1 mm | Floating Point: 8.5 mm (or 10.0 mm)
Recommended Hole in Subframe5.1 mm concentric pilot hole in Aluminium / GI runner
A

Single Fixed Point (5.1 mm)

Every HPL panel requires exactly one Fixed Point located near the center of the sheet. Drill a 5.1 mm hole matching the rivet diameter so the panel is securely anchored against gravity and dead load.

B

Multiple Floating Points (8.5 mm)

All remaining fastener holes in the HPL panel must be drilled oversized to 8.5 mm (or 10.0 mm for long sheets). The 16 mm flange bridges the oversized hole while allowing radial sliding expansion.

C

0.3 mm Clearance Gap

Use our Hazel Pro-500 riveter with specialized centering nosepiece to maintain a 0.3 mm clearance between rivet head and panel face. Never clamp the rivet dead-tight against the panel.

Contractor & Engineering Queries

Fastener & Tooling FAQs

Why must large flange (16 mm) rivets be used for exterior HPL panels?

Exterior High-Pressure Laminates (HPL) experience dynamic suction and positive wind loads. A standard 10mm rivet head can pull through or cause micro-cracking at the hole edges. The 16 mm large flange (K16) distributes the clamping load over three times the contact surface area, preventing localized stress concentrations and panel pull-off in storm conditions.

What is the difference between a Fixed Point and a Floating (Sliding) Point?

Every exterior HPL panel must have exactly ONE Fixed Point (5.1 mm hole in the panel, matching the 4.8 mm rivet size) to anchor the panel's dead weight. All other fastening locations across the panel must be Floating Points (8.5 mm or 10.0 mm oversized holes). The rivet head clamps gently over the 16 mm flange without pinching, allowing the panel to expand and contract freely (up to 2.5 mm/m) under ambient temperature and humidity fluctuations without bowing.

Why should stainless steel (A2/A4) mandrels be specified instead of carbon steel?

When a blind pop rivet is installed, the retained ball of the mandrel remains permanently trapped inside the rivet body. In outdoor facade exposures, carbon steel mandrels corrode, generating unsightly rusty streaks running down the decorative HPL face. Hazel rivets feature A2 (AISI 304) or A4 (AISI 316) marine stainless steel mandrels that are 100% rustproof and chemically inert.

Which hand rivet gun is best for installing exterior HPL facade cladding?

For setting 4.8 mm stainless steel facade blind rivets on aluminum or GI framework, the Hazel Pro-500 Dual-Handle Lever Riveter is the recommended professional choice. Its compound leverage arm reduces the physical setting force by over 60% compared to small standard plier-style riveters, allowing installers to set hundreds of rivets daily with zero hand strain. For tight soffit corners and reveals, the 360° Swivel Riveter provides critical angular access.

Can Hazel Colour Rivets be matched to custom facade shades?

Yes. In addition to our 8 core stock shades (Walnut Brown, Golden Teak, Anthracite Grey, Corten Rust, Jet Black, Polar White, Silver Metallic, and Travertine), we formulate custom RAL powder-coated rivets to match any specified Hazel exterior HPL decor, timber veneer finish, or architectural panel line.

Order Certified Colour Rivets & Riveter Guns

Supplying turnkey exterior facade hardware kits across India. Get custom RAL / decor shade matching, box quantities, and contractor riveter tools delivered directly to your project site.