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.
Sika-4 Rapid Setting is a ready to use liquid for accelerating the set time of concretes and renders where low water pressure or slow water movement exists.
Resists water pressurePrevents cement washoutFor mortars, screeds and rendersReady to useQuick settingDoes not contain chloridesPlease note th..
£94.98
Ex Tax:£79.15
A BBA HAPAS approved Rapid Strength Bedding Mortar for use with access covers, bedding and profiling of kerbs.
Fast Set in only 15 minutesRapid Strength gain 24Nmm2 compressive in 60 minutes allows for the opening of traffic in 1 hourShrinkage compensated to eliminate crackingCan be used from 10mm-..
£31.14
Ex Tax:£25.95
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 ..
£15.77
Ex Tax:£13.14
White cement is suitable for general purpose concrete, mortar, render and screed.
Consistent colour and quality for applications requiring bright,vibrant coloursSuitable for use with pigments
£17.94
Ex Tax:£14.95
EcoTherm Eco-Deck comprises a fibre free rigid polyisocyanurate (PIR) insulation core, faced with an aluminium foil composite on both sides, bonded to 6mm exterior grade plywood on one side.
Suitable for use with mechanically fixed single-ply waterproofing membranes, mastic asphalt, roll & pour and..
£196.74
Ex Tax:£163.95
Brown Dragfaced Perforated Wirecut Facing Brick. Order In Singles. See Tech Spec For Pack Quantity.
£834.95
Ex Tax:£695.79
Knauf Wallboard is a plasterboard with an ivory paper face, ideally suited to receive a plaster finish, or for direct decoration. Strong, versatile, and good value, Knauf Plasterboards have a conductivity figure of k = 0.16 W/mK. Knauf Wallboard complies fully with BS EN520 and is categorised as Typ..
£12.85
Ex Tax:£10.71
Rockwool Ablative Coated Batt is a specially designed insulation batt that acts as an air seal barrier whilst reinforcing fire resistance and acoustic performance of concrete floors, masonry walls and drylining systems. Its unique design means it has outstanding fire performance of up to 4 hours, wh..
£35.18
Ex Tax:£29.32
This trade pack provides sand and stone ballast that creates concrete when added to cement. Ideal for concreting and laying screeds, it can also be used to provide an even and strong sub-base prior to laying paving for projects such as driveways and shed bases.
Supplied in plastic pa..
£4.08
Ex Tax:£3.40
Type 2 Wall Tie suitable for use in external walls of houses and small commercial developments up to 15 metres in height.
Suitable for 50-75mm cavity widthIncludes multi drip feature to prevent moisture travelling across the cavityThe Staifix RT2 has BBA approval and meets the technical requirement..
£5.82
Ex Tax:£4.85
Wavin OsmaSoil and vent range offers an exceptional choice of pipe and fittings including brackets, bends, junctions, access fittings, terminations and problem solvers.
Push-fit 87.5° tight radius bendRing-Seal sockets at both endsWavin Osma 110 and 160mm fittings incorporate captive seal technolog..
£22.63
Ex Tax:£18.86
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..
£38.59
Ex Tax:£32.16