Concrete & Mortar | Building Supplies
Concrete and mortar are essential materials for building, groundwork, landscaping and structural construction. Whether you’re laying foundations, setting fence posts, repairing surfaces or creating load-bearing structures, these mixes deliver dependable strength and long-term performance for both DIY and trade projects.
Concrete for Foundations, Slabs and Structural Builds
Concrete is widely used for house foundations, shed bases, driveways, garden paths, floors and heavy-duty structural work. Our bagged concrete options offer consistent strength, easy mixing and reliable setting properties, making them suitable for both small tasks and large construction projects.
Post Mix Concrete for Fence Posts and Rapid-Setting Fixings
Post mix concrete provides a fast and convenient solution for securing fence posts, gate posts, decking supports and rotary washing lines. Designed for quick setting directly in the ground, post mix concrete eliminates the need for manual mixing and delivers strong, stable support within minutes.
40N Concrete for Heavy-Duty Structural Applications
40N concrete is formulated for high-strength applications where maximum durability is required. Ideal for industrial flooring, reinforced bases, structural beams and demanding groundwork, 40N concrete provides exceptional compressive strength and long-term reliability in load-bearing environments.
Mortar Mixes for Bricklaying, Blockwork and Repairs
Our mortar mixes are designed for bricklaying, blockwork, patch repairs and pointing. With controlled setting times and excellent workability, these mixes ensure a smooth, consistent finish on both new builds and maintenance jobs.
Ready-To-Use and Easy-To-Mix Options
All products in this category are supplied in easy-to-handle bags for convenient mixing and accurate batching. Whether you prefer rapid-set, ready-mix or standard blends, our range supports efficient on-site work with minimal waste.
FAQs
What concrete should I use for fence posts?
Post mix concrete is perfect for fence posts because it sets quickly and requires no pre-mixing.
When is 40N concrete required?
40N concrete is used for heavy-duty structural work where high compressive strength is essential.
Can bagged concrete be used for foundations?
Yes — bagged concrete is suitable for small foundations, bases, steps, paths and general structural applications.
Check out our other Building Supplies and Aggregates and Cement range at JJ Building Materials.
