M4 White Mortar 20kg Bag – Easy Mix (AS 3799 Compliant)

M4 White Mortar 20kg is a high-strength, preblended masonry mortar designed to deliver a clean, professional white finish for brick and block projects across Queensland. Ideal for residential and commercial construction, it enhances light-coloured bricks and creates sharp contrast with darker masonry.

Factory blended using white Portland cement, graded white sand, and hydrated lime, this mortar offers excellent workability, colour consistency, and reliable performance. Manufactured to Australian Standards, it is suitable for both DIY users and trade professionals.

AS 3799 Compliant – Class M4 Mortar Composition

Benefits

• Just add water
• Consistent white finish
• Clean, low-mess mixing
• Easy handling 20kg bag

Uses

• Brick and block construction
• Garden beds
• Retaining walls
• Letterboxes
• Barbecues

Coverage (per 20kg bag)

• Up to 26 bricks (≈52 bricks = 1m²)
• Up to 15 blocks (≈12.5 blocks = 1m²)

Cleaning and Sealing

We strongly recommend cleaning masonry surfaces after installation to maintain appearance and reduce the severity of efflorescence and staining. Contact us for expert advice on suitable cleaning and sealing products for your project.

Available now at QBBP, your trusted supplier of bricks, blocks, pavers and landscaping supplies. Order online today for fast, direct-to-site delivery.