Balcony Invisible Grill — Dhone Extension
When it comes to invisible grills in Dhone Extension, the local climate plays a decisive role in material selection.
Dhone Extension's Kurnool-Nandyal's semi-arid industrial belt demands corrosion-resistant 316 Grade SS invisible grills.
This is precisely why hundreds of residents and builders in Dhone Extension choose GCM Invisible Grills — the only manufacturer
supplying AISI 316 Marine Grade Stainless Steel invisible grills directly to Dhone Extension without middlemen.
Our 316-grade SS wire is the same alloy trusted in offshore marine structures and medical-grade equipment, offering
superior resistance to chloride-ion corrosion — a critical factor in Kurnool-Nandyal Belt's climate. The result is a
rust-free, maintenance-free invisible grill that retains its structural integrity and visual clarity for 20+ years.
Beyond material quality, GCM provides end-to-end service in Dhone Extension: free site survey, precision measurement,
custom fabrication at our Karmanghat, Hyderabad plant, and professional installation within 24–72 hours.
Every installation comes with a 5-year material & workmanship warranty. To book your free survey, call
9912399224 or WhatsApp us now.
Choosing the Right Grade for Dhone Extension
GCM supplies two wire grades for invisible grills in Dhone Extension. The right choice depends on your floor level,
proximity to water bodies, and long-term budget:
| Specification | 304 Grade (Standard) | 316 Marine Grade (Best) |
|---|
| Corrosion Resistance | Good | Excellent (Marine-rated) |
| Alloy | 18% Cr, 8% Ni | 16% Cr, 10% Ni, 2% Mo |
| Salt-Air Resistance | Moderate | Outstanding |
| Ideal For | Lower floors, dry climate | All floors, humid/coastal areas |
| Price per sq ft in Dhone Extension | ₹120–140 | ₹160–200 |
| Expected Lifespan | 10–12 years | 20+ years |
| Warranty | 3 years | 5 years |
For apartments above the 5th floor and any location near lakes, rivers, or coastal areas in Dhone Extension,
GCM strongly recommends 316 Marine Grade SS for long-term value and zero-maintenance performance.
