In addition to our extensive timber offering, Gower Timber is proud to supply a wide range of building materials and site essentials to support tradespeople, developers, and self-builders across Swansea and South Wales. Our building supplies cover everything needed for strong, durable structures, from quality bricks, blocks, and versatile lintels to sand, cement, and traditional hydrated or hydraulic lime for masonry and mortar work. Perfect for constructing, renovating, or managing ongoing site projects, our extensive stock ensures your projects are built to last
Explore our core categories of building materials below:
Cement, Aggregates & Mortars
We stock a full range of bagged cement, ready-mixed mortars, and high-quality aggregates for general building, bricklaying, and landscaping projects. Our cement range includes general-purpose Portland cement, post mix for fencing, and quick-set options ideal for fast-paced construction. We also supply building sand, sharp sand, ballast, and gravel in convenient bag sizes, suitable for both DIY and trade use.
Plaster & Plasterboard Products
From multi-finish plaster to standard and moisture-resistant plasterboard, Gower Timber provides high-quality solutions for interior wall and ceiling finishes. Whether you’re drylining, repairing, or constructing new partitions, we offer products from trusted brands with consistent stock availability. Jointing compounds, tapes, and accessories are also available to complete your installation.
Insulation Materials
We carry a range of thermal and acoustic insulation solutions suitable for walls, lofts, floors, and ceilings. Choose from rigid insulation boards (such as PIR or polystyrene), glass/mineral wool rolls, or foil-backed options helping improve your building’s energy efficiency, reduce sound transmission, and meet Part L regulations. Need advice on U-values or compliance? Our experienced team is here to help.
Roofing Materials & Felt
For roofing projects large and small, we stock bitumen roofing felt, underlay membranes, and breathable roofing felts to protect and ventilate your structure. Whether you’re roofing a shed, extension, or pitched roof, Gower Timber provides reliable solutions backed by industry knowledge. Fixings, adhesives, and sealants are also available to ensure a watertight finish.
Damp-Proofing, Membranes & Site Protection
Prevent moisture ingress and improve durability with our range of damp-proof courses (DPC), polythene membranes, and site protection products. We offer damp-proof rolls, cavity closers, and vapour control layers suitable for both new builds and remedial work. These materials play a vital role in preserving structural integrity and complying with building control standards.
Fixings, Adhesives & Finishing Materials
To support your project from start to finish, we stock a wide range of essential accessories, including general-purpose and structural screws, nails and fixings, as well as high-performance adhesives and sealants. You’ll also find wood glues, expanding foams, silicone products, gap fillers, and a full selection of surface preparation and finishing solutions. Everything you need to assemble, secure, and complete your project is available under one roof at Gower Timber.