IS:5509 · FR · BWP · 25 Yr

Chetak Suprima

Fire Retardant BWP.

IS:5509 · FR · BWP · 25 Yr

Specifications

* Terms and conditions apply.

Live demo

Why it holds

Where it's used

Fire-retardant boards rated for public-assembly projects.

IS:5509 with IS:710 — fire safety without compromising waterproof performance.

The mandated grade under most state building codes above eight storeys.

How it compares

How a certified Chetak board measures up against generic, unorganised-sector plywood of the same nominal grade.

Feature	IS:5509 Chetak Suprima Fire Retardant BWP	Unbranded Ordinary Market Grade Unorganised sector
Certification	Certified to IS:5509 by the Bureau of Indian Standards	Often unbranded, with no verifiable IS certification
Warranty	25 years, written and registered at point of sale	No written or registered warranty
Core construction	100% red wood — uniform, gap-free	Mixed filler core with internal gaps and overlaps
Borer & termite	Chemically treated — borer and termite immune	Frequently untreated and prone to infestation
Calibration	Calibrated thickness (6 / 9 / 12 / 15 / 16 / 19 mm), pressed warp-free	Inconsistent thickness, prone to warping and bowing