Building products are industrially manufactured items specifically designed for use in the construction of buildings and structures. Unlike raw building materials such as sand or timber, building products have been processed, shaped, or assembled in a factory and arrive on site ready to install.
Application
The building products industry supplies virtually everything a builder needs beyond raw materials. For DIY builders, understanding this category helps when sourcing supplies and comparing options.
Examples of building products
- Concrete blocks and pavers — Factory-pressed from cement, aggregate, and water to consistent dimensions and strength grades.
- Roof tiles and slates — Manufactured from clay, concrete, or composite materials in standardised profiles.
- Insulation boards — PIR, EPS, or mineral wool boards cut to standard sizes for walls, floors, and roofs.
- Windows and doors — Complete units with frames, glass, seals, and hardware, ready to fit into prepared openings.
- Plasterboard (drywall) — Gypsum-core boards used for internal walls and ceilings, available in standard, moisture-resistant, and fire-rated variants.
- Drainage and plumbing components — PVC pipes, fittings, gutters, and downpipes produced to national standards.
- Fixings and fasteners — Screws, bolts, anchors, and brackets designed for specific applications and load ratings.
Why building products matter
- Consistency — Factory production ensures uniform quality, dimensions, and performance, making construction faster and more predictable.
- Certification — Reputable building products carry CE marks or national quality labels that confirm they meet building code requirements.
- Efficiency — Pre-made products reduce on-site labour and waste. Fitting a factory-made window unit, for example, is far quicker than building a frame from scratch.
Tips for DIY builders
- Always check product specifications and certifications before purchasing — the cheapest option is not always code-compliant.
- Buy from established suppliers who can provide technical data sheets and after-sales support.
- Store products according to the manufacturer’s instructions to avoid damage before installation.
- Keep packaging and batch numbers until the project is complete, in case you need to reorder matching items.
Related terms
- Building materials
- Construction metalwork
- Construction method
- Building permit
Want to learn more about construction terms? Visit our knowledge base at fredsdiyplans.com.