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.
Brand: British Gypsum
British Gypsum Glasroc Rigidur H is a Gypsum fibre plasterboard with additives for rigidity, durability and mechanical strength. High performance impact resistant gypsum fibre board for use in the GypWall EXTREME system. Gives high levels of sound insulation, Class A2 and Class 0 reaction to fire pe..
£110.34
Ex Tax:£91.95
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..
£69.70
Ex Tax:£58.08
Brand: British Gypsum
ThistlePro FastSet Finish is the guaranteed way to get the job done faster. It's a quick setting gypsum finish plaster that provides a smooth high quality surface finish. Ideal for patch and repair jobs as well as smaller internal walls & ceilings. It provides a durable base for applying decorative ..
£10.14
Ex Tax:£8.45
The Cotswold Stone Chippings Come In A Natural Blend Of Cream And Yellow Shades, Which Is Ideal For Brightening Garden Spaces. These Decorative Gravel Stones Are Angular In Shape, Which Can Be Used To Line Paths, Patios And Borders - Making It The Perfect Choice For Landscaping.
Actu..
£86.21
Ex Tax:£71.84
Use for fence posts, gate posts, pergolas and garden lighting.
Fast-setting formula for jobs where speed is essentialAggregate mix to ensure good initial support for the postSets in under three minutes
£7.14
Ex Tax:£5.95
Ultra high performance basecoat render for use on unusual substrates.
For use on low density backgrounds (Lightweight block)Hand or machine appliedUsed as backing for K Rend finishesPolymer modified, fibre reinforced and cement basedImproved crack resistanceImproved adhesion.Outstanding flexibility
£28.98
Ex Tax:£24.15
An A1 Non-Combustible multi-application Glass Mineral Wool slab, manufactured using Knauf Insulation's unique ECOSE® Technology, and designed for use in multiple applications in both timber and steel frame construction to allow flexibility across a range of projects.
Easy to installFast and close f..
£64.66
Ex Tax:£53.88
Strong, Versatile and good value, Knauf Wallboard is a standard Plasterboard with an ivory paper face ideally suited to receive a plaster finish or for direct decoration. Knauf Plasterboards have a conductivity figure of k = 0.16 W/mK. Knauf Wallboard complies fully with BS EN520 and is categorised ..
£18.83
Ex Tax:£15.69
This original London Brick sometimes known as a fletton has been used for over 130 years and is a tried and tested brick, it does not have a decorative face like many bricks but can still be used as a facing brick if required, main uses are more functional, below DPC, non visible walls, garden use, ..
£602.46
Ex Tax:£502.05
Rockwool RWA45 Insulation Slabs are a high quality resin bonded slab that can be used in a variety of applications including; floors, walls, roofs, and industrial applications. They provide A1 fire protection and are finished with a water repellent seal to prevent moisture decay. This slab is perfec..
£30.43
Ex Tax:£25.36
SikaBond SBR+ is a one component, water based, general purpose, styrene butadiene rubber emulsion. When diluted with water it produces a gauging solution for improving adhesion, workability and waterproofing of mortars and cementitious mixes.
Water resistant bonding agent for external rendering and..
£26.45
Ex Tax:£22.04
80mm diameter insulation retaining clip for use in partial fill cavities.
£3.77
Ex Tax:£3.14