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.
Celotex GA4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 50mm to 100mm, it can be considered for roof, wall andfloor applications.
Excellent thermal performance with a therm..
£19.27
Ex Tax:£16.06
ACO RalnDraln® B 125 polymer concrete light duty channel drainage system with cast iron Heelguard™ grating.
Channels manufactured from Vienite®, ACO‘s recycled polymer concrete material.Applications: Driveways and small private car parksClip-locking grating for secure and simple installationChannel..
£47.53
Ex Tax:£39.61
Brand: Blue Circle
This cement bag from Blue Circle provides a multi-purpose cement suitable for a wide range of standard uses, including concrete, mortar, rendering and screeds. It is compatible with a wide range of admixtures such as air-entraining agents, workability aids and pigments.
Multi-purpose cementProduced..
£6.94
Ex Tax:£5.78
Brand: British Gypsum
Gypsum plasterboard with glass fibre and additional additives to increase the fire protection characteristics with pink paper lining for easy recognition. The additional fire protection properties above standard board products enable the plasterboard to be used in partition, ceiling and steel encase..
£18.65
Ex Tax:£15.54
Brand: British Gypsum
Gyproc ThermaLine PIR consists of 12.5mm Gyproc WallBoard binded to CFC and HCFC-free, high performance polyisocyanurate foam with two integral vapour control layers. Designed to be used in both refurbishment and new build for walls, ceiling, room in the roof and window reveals where a high level of..
£85.22
Ex Tax:£71.02
Brand: British Gypsum
The thistle bonding coat from British Gypsum is an undercoat 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..
£13.63
Ex Tax:£11.36
This high-strength bulk bag provides fine sharp aggregates used to make ready-mix concrete for multiple applications, such as paving, concreting and constructing floor screeds.
Minimum packed weight of 800kg +/- 5%
Delivered and unloaded in bulk bags for large project quantities
..
£55.74
Ex Tax:£46.45
This plain red stock brick is exclusive to , made at the new Leicester Eclipse Factory. A red stock facing brick; Fully durable with low soluble salts. This is a moderate strength facing brick with high water absorption, ideal for most masonry applications and easy to lay.
F2 Frost ResistanceS2 Sol..
£621.42
Ex Tax:£517.85
Easy to use, self coloured render, machine or hand applied to provide a scraped texture finish.
For use both as a one coat render or as part of a two coat systemMachine or hand appliedOne coat directly on to block workTwo coat in conjunction with a K Rend Base CoatExcellent handling propertiesCan b..
£16.85
Ex Tax:£14.04
A premium co-polymer bonding compound for adhesion and improving flexibility, durability & waterproofing.
KA-Bond SBR is designed to be added to mortar, screeds or renders to provide flexibility, durability along with a water proof finishKA-Bond SBR can also be used prior to the application of rend..
£21.94
Ex Tax:£18.28
The Knauf Aquapanel Tile Backing Board is a tough, impact-resistant glass fibre reinforced backing board ideal for tiling in wet and humid areas.
Ideal for refurbishment projects as can be installed over existing wooden subfloorsResistant to mould and mildewTakes up to 50 kg/m² as soon as boards ar..
£16.39
Ex Tax:£13.66
Knauf Fire Panel offers superior fire protection, Finished with a tapered edge it is intended to be used in between either side of a partition it provides up to one hour of fire resistance which can be achieved with a single layer or two hour resistance with a double layer application.
Gypsum plast..
£14.34
Ex Tax:£11.95