IS:1659 · Door Grade

Chetak Accord

Interior Doors.

IS:1659 · Door Grade

Specifications

* Terms and conditions apply.

Live demo

Why it holds

Where it's used

A gap-free, warp-free blockboard built for full-height doors.

Imported hardwood battens for premium-grade wall and ceiling panels.

A composed core that stays straight across spans where ply would sag.

How it compares

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

Feature	IS:1659 Chetak Accord Gap-Free Blockboard	Unbranded Ordinary Market Grade Unorganised sector
Certification	Certified to IS:1659 by the Bureau of Indian Standards	Often unbranded, with no verifiable IS certification
Warranty	12 years, written and registered at point of sale	No written or registered warranty
Core construction	Imported HW battens, composed core — 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 (19 / 25 / 30 mm), pressed warp-free	Inconsistent thickness, prone to warping and bowing