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.
Type 2 Wall Tie suitable for use in external walls of houses and small commercial developments up to 15 metres in height.
Suitable for 76-100mm cavity widthIncludes multi drip feature to prevent moisture travelling across the cavityThe Staifix RT2 has BBA approval and meets the technical requiremen..
£6.08
Ex Tax:£5.07
A pre-blended single part post mix for the installation of light duty posts, fences and poles.
Pre-blended and ready to use so no time wasted on mixing25Nmm2 compressive strength - fast setting and high strength.Rapid setting - 15 minutes.25kg Shower proof Bag - more for your money.
£11.35
Ex Tax:£9.46
OsmaSoil is a PVC-U Soil system for sanitary waste removal. A comprehensive system available in a variety of colours and sizes with either push-fit or solvent weld joints.
Push-fit couplerRing-Seal sockets at both endsUse as a slip coupler for making repairsFor use with 82mm Wavin OsmaSoil pipeEasy..
£14.91
Ex Tax:£12.43
Celotex CW4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 40mm to 100mm, it can be considered for use in partial fill cavity wall applications.
Excellent thermal performance ..
£15.38
Ex Tax:£12.82
Type 6 stainless steel timber frame tie suitable for 75mm cavities.
Type 6 timber frame tie suitable for domestic houses and industrial/commercial developments up to three storeysSuitable for a 75mm cavitySupplied complete with an annular ring shank nailSupplied in boxes of 250Domestic use up to a ..
£92.95
Ex Tax:£77.46
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..
£22.10
Ex Tax:£18.42
True reproduction of traditional London bricks with an authentic and unique coal spotted face.
Dimensional tolerance - TMDimensional range - RM, Soluble Salt S2F2 rated for frost resistanceWater absorption - 21%Manufactured to BS EN 771–1Genuinely handmade using traditional techniquesSustainable su..
£1,106.34
Ex Tax:£921.95
Used for a variety of construction applications.
Supplied in plastic packagingSuitable for outside storageMultiple use limestone chipsUsed for a variety of construction applicationsActual weight will vary depending on moisture contentThe photo is for illustration purposes and the product is locally..
£3.97
Ex Tax:£3.31
A lighter finer sand used for a variety of construction applications
Supplied in plastic packaging - suitable for outside storage
Actual weight will vary depending on moisture content
The photo is for illustration purposes and the product is locally sourced
£6.37
Ex Tax:£5.31
Celotex TB4000 is an easy to install polyisocyanurate (PIR) insulation board with excellent thermal performance, featuring a low emissivity foil facing. Available in thicknesses from 20mm to 40mm, it can be considered for floor, wall and roof applications.
Excellent thermal performance with a ther..
£47.17
Ex Tax:£39.31
Brand: British Gypsum
Gypsum plasterboard with a higher density noise insulating, fire performance and impact performance core. Designed to provide enhanced sound, fire and impact resistance in the British Gypsum GypWall ROBUST system. The system provides a Severe Duty rating in a single board system application. Gyproc ..
£27.95
Ex Tax:£23.29
An A1 Non-Combustible Glass Mineral Wool roll, manufactured using Knauf Insulation's unique ECOSE® Technology, and designed specifically for use in timber frame applications between studwork.
Best thermal performance in our rangeDesigned to friction fit between timber studs, which prevents air move..
£91.14
Ex Tax:£75.95