Building Materials
Whatever the project, MyDIY has you covered with a wide range of general building materials for both trade professionals and DIY enthusiasts. From essential cement, sand, and aggregates to bricks, blocks, plasterboard, and timber, we supply everything you need to get the job done right.
Our range includes trusted brands and high-quality materials for foundations, walls, roofing, insulation, and drainage, ensuring strength and reliability in every build. With competitive prices compared across leading UK merchants, you can source the right products quickly and cost-effectively. Whether you’re tackling small DIY repairs or managing a larger construction project, MyDIY makes it simple to find and order the building supplies you need online.
Cementone Jointing Compound 15kg
£39.94
Ex Tax:£33.28
Regularised (consistent dimensions) by planing all round with 'eased' (rounded) corners for comfortable handling. Our regularised carcassing finishes 2mm off nominal thickness and 5mm off nominal width.
3000 mm
£38.23
Ex Tax:£31.86
ACO RainDrain® polymer concrete domestic channel with galvanised steel grating, load class A 15.
Channels interlock for quick and easy installationComes with galvanised steel gratingCast iron grating available to order for an improved B125 load classLightweight design for easy handling and installa..
£19.14
Ex Tax:£15.95
Brand: Blue Circle
This concrete from Blue Circle is multi-purpose and ready to use. Manufactured from cement using specially selected and graded sand, and 10mm coarse aggregate, it comes in a convenient weatherproof and tear-resistant plastic bag.
Simply mix with clean waterMulti-purpose for jobs such as steps, bedd..
£6.90
Ex Tax:£5.75
Brand: Blue Circle
This Blue Circle ready to use Postcrete is a ready-mix Portland cement with a blend of selected sand, cement and additives formulated for fixing all kinds wooden, concrete and metal posts. It comes in a convenient weatherproof and tear-resistant plastic bag. Easy to use just add to water. Rapid sett..
£6.82
Ex Tax:£5.68
Brand: British Gypsum
Gyproc Fireline Plasterboard is a fire resistant plasterboard that consists of an aerated gypsum core with glass fibre and other additives encased in, and firmly bonded to, strong paper liners that are pink. This product is suitable for Drylining, wall lining and ceiling systems where increased fire..
£17.76
Ex Tax:£14.80
Brand: British Gypsum
Gypsum plasterboard with a higher density noise insulating core and a blue paper face for easy recognition. The higher density core design of this board enables the wall, partition and ceiling systems to provide greater sound insulating performance levels over standard products by reducing the trans..
£18.65
Ex Tax:£15.54
Brand: British Gypsum
The Gyproc Thermaline plasterboard provides a basic level of thermal insulation and is ideal for areas that need a low-level thermal insulation upgrade. Factory bonded to an expanded polystyrene insulant with zero ODP (ozone depletion potential), the wallboards suit refurbishments and new builds, an..
£36.47
Ex Tax:£30.39
Brand: British Gypsum
A gypsum based board ideal for internal use for walls and ceilings. Easy to cut, shape and fix, it can be plastered or decorated, Not suitable for moist or wet conditions. A tapered edge version is also available.
Reduces noiseResists fire to allow more time for evacuationUse in multiple layers fo..
£11.94
Ex Tax:£9.95
Brand: British Gypsum
This Thistle bonding coat from British Gypsum is a multi-coat plaster ideal for smooth and low suction backgrounds, including medium density blocks, dense blocks, plasterboard, painted or tiled surfaces and more. The plaster comes with a finer mix giving great workability and making it easier to app..
£9.43
Ex Tax:£7.86
Drive Patch Macadam is a high-performance cold-lay macadam designed for quick and effective repair of potholes, utility cuts, and surface defects in driveways, car parks, and roads. Its ready-to-use formulation ensures fast application, minimal preparation, and superior durability. Suitable for a va..
£9.29
Ex Tax:£7.74
This Dupre Vermiculite loose-fill insulation is a highly absorbent protector suitable for packaging, chimney lining, loft insulation and high-temperature insulation. Made from aluminium-iron-magnesium silicates, it is a natural mineral used for void filling. This fill consists of thick flakes, makin..
£25.38
Ex Tax:£21.15