Staircase Invisible Grill — Bonakal
When it comes to invisible grills in Bonakal, the local climate plays a decisive role in material selection.
Bonakal's Khammam's high humidity and forest-belt moisture make 316 Marine Grade SS invisible grills the safest choice.
This is precisely why hundreds of residents and builders in Bonakal choose GCM Invisible Grills — the only manufacturer
supplying AISI 316 Marine Grade Stainless Steel invisible grills directly to Bonakal 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 Khammam'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 Bonakal: 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.
Technical Specifications — GCM 316 Grade Invisible Grills in Bonakal
Wire Grade: AISI 316 Marine SS
Wire Diameter: 0.8mm – 2mm
Wind-tested: High-rise approved
Every GCM invisible grill in Bonakal is fabricated at our Karmanghat, Hyderabad plant using AISI 316 marine-grade
stainless steel — electro-polished to provide an extra anti-corrosion layer. The wire is tensioned to factory-specified
intervals using aluminium alloy or SS 316 fittings, creating a barrier that is simultaneously invisible to the eye,
structurally robust, and maintenance-free for the life of the product.
