GBQS Certification Explained — What GhanaBrick's Quality Standard Means for Buyers
If a brick supplier can't tell you its compression strength, it's not a real supplier.
What GBQS is
The GhanaBrick Quality Standard (GBQS) is a 15-point inspection applied to every batch of clay bricks from every partner kiln before dispatch. It covers three categories: visual, strength, and durability. Each point is scored. Batches must hit the grade-appropriate minimum before they ship.
The 15 points
Visual tests (5 points): size consistency ±3mm, colour uniformity, edge sharpness, surface texture, weight verification.
Strength tests (5 points): drop test from waist height, compression strength in N/mm², impact resistance, edge durability, load-bearing capacity.
Durability tests (5 points): water absorption (max 12%), salt crystallisation resistance, efflorescence check, thermal cycling, weathering simulation.
Grade tiers
Bricks passing 13–15 points: **Premium grade**. Suitable for facing, structural, and decorative work.
10–12 points: **Standard grade**. Structural, non-exposed interior work.
7–9 points: **Basic grade**. Structural backing-up, non-visible internal work.
Below 7: rejected, not dispatched.
What the certificate covers
Every GBQS certificate issued with an order states the batch number, date of inspection, grade awarded, and the 15-point score. It also references our 50% money-back guarantee: if any batch fails to match the stated grade on arrival, we refund 50% of the affected batch value. You keep the bricks.
The certificate is the core trust artifact we offer. No brick ships without one.
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