Invisible Grills

About This Service

Invisible grills are the modern alternative to ugly iron bars. Made from 304-grade stainless steel cables tensioned within a sleek anodized aluminium frame, they provide structural security equivalent to — or stronger than — traditional iron grills, while keeping your windows and balconies completely open-looking.

Increasingly popular across Vijayawada's apartment buildings, invisible grills allow natural light, breeze and panoramic views to flow freely while forming an immovable barrier for children, pets and intruders. Hanok Safety Nets specialises in precision-cut, expertly installed invisible grill systems that complement any architectural style.

304-Grade Stainless SteelMarine-grade SS cables resist corrosion, rust and UV. They will not weaken, discolour or snap under normal stress.

Anodized Aluminium FrameThe structural frame is powder-coated for weather resistance and available in custom colours to match your window or wall finish.

Maximum 30kN LoadEach vertical cable sustains over 300 kg of tensile force — providing genuine structural safety, not just visual deterrence.

Unobstructed ViewsCables run vertically with just 5cm spacing — wide enough for air and light, tight enough to stop any entry or fall.

Child & Pet SafeCable spacing and frame construction meet IS safety standards for prevention of child falls and pet escapes from balconies.

Easy to CleanSmooth stainless steel cables wipe clean with a damp cloth — no rusting, no painting, no maintenance headaches.

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Specifications

Technical Specifications

Parameter	Details
Cable Material	304-grade stainless steel (marine quality)
Cable Diameter	3mm (standard) / 4mm (heavy-duty)
Cable Spacing	5cm (standard) — customisable
Frame Material	Anodized aluminium 6061-T6
Frame Colour	Silver, Black, White, Gold, Custom
Max Tensile Strength	30kN per cable
Warranty	2-Year Installation Warranty

Why Choose Us

Key Benefits

Why Hanok's Invisible Grills are the right choice for your home or business.

Virtually Invisible

Thin stainless cables create an almost invisible barrier — your balcony looks completely open from outside.

Superior Security

Steel cables tensioned at 30kN cannot be pushed or cut easily — stronger than most traditional iron grills.

Ventilation Preserved

Unlike solid grills or glass panels, invisible grills let full natural airflow through your home.

Child Safety Certified

5cm spacing prevents children and pets from slipping through — meets IS child safety standards.

Rust & Corrosion Free

304 SS is inherently rust-proof, making it perfect for Vijayawada's humid and coastal climate.

Adds Property Value

A modern, clean aesthetic feature that upgrades the look and safety rating of your property.

FAQ

Frequently Asked Questions

Common questions about Invisible Grills — answered honestly.

Each cable holds 30kN of tensile force — that's over 300 kg. The system is strong enough to stop an adult from falling or pushing through.

Yes. Invisible grills can be retrofitted to any wall, beam or floor with appropriate anchor points, regardless of building age.

Minimal. Wipe cables with a damp cloth every few months. No painting, oiling or replacing needed for years.

Absolutely. We design the grill system with clearance for all existing doors and windows to function normally.

Yes. The frame can be removed with the right tools by authorised persons in an emergency — our team provides an emergency removal guide.

Invisible Grills