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Applications and solutions

Commercial construction

Larger spans, more floors and heavier services — the materials behind offices, shops and other commercial buildings.

  • Structure and envelope
  • Water storage and pumping
  • Risers and drainage stacks
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Overview

Materials for commercial buildings

Offices, shops and other commercial buildings use the same building blocks as homes at a larger scale — with bigger spans, more floors and more demanding services: water storage and pumping, risers, drainage stacks and dedicated fire-water lines designed by specialists.

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Key parts and what they do

What is used — and how it works

The main materials and components in this application, and the job each one does.

  • Structural steel

    Sections and plates for frames, mezzanines, sheds and canopies with long spans.

  • Reinforcement

    High-strength bars for deeper beams, thicker slabs and taller columns.

  • Construction chemicals

    Admixtures, grouts and bonding agents that improve concrete and repairs.

  • Water storage and pumping

    Underground sumps, roof tanks and pumps sized for many users and floors.

  • Risers and drainage stacks

    Vertical supply risers and soil and waste stacks that serve every floor.

  • Fire-water lines

    Dedicated pipework for firefighting systems, designed by specialist consultants.

Step by step

How the services are arranged

  1. Water is received and stored

    The supply fills an underground sump or tank sized for the building.

  2. Pumps lift it

    Pumps send water to roof tanks, or to a pressure system that feeds the floors directly.

  3. Risers feed each floor

    Vertical risers with valves on every floor carry water to the toilets, pantries and outlets.

  4. Stacks take it away

    Soil and waste stacks carry used water down to inspection chambers and the sewer.

Materials used

Related categories

See it in 3D

Utilities in a commercial block

See how tanks, pumps, risers and drainage stacks are arranged in a four-storey building.

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All parts in this scene (9)

  1. Commercial buildings typically use a reinforced concrete or steel frame with larger spans.

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  2. Facades combine masonry, glazing and cladding, sealed against weather with sealants.

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  3. Large roofs need continuous waterproofing and well-placed rainwater outlets.

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  4. Roof tanks feed the building by gravity; some capacity is often reserved for fire-water needs.

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  5. Pumps lift water from the underground sump to roof tanks or boost pressure to the floors.

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  6. Supply risers run in a service shaft with branches and valves at each floor.

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  7. Soil and waste stacks are sized for the number of fixtures and vented above the roof.

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  8. Rainwater downpipes carry roof run-off to storm drains or a rainwater harvesting system.

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  9. Fire-water risers and hydrant points are designed to local fire regulations by specialists.

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Educational visualization only. Layouts, sizes and materials are simplified and are not an engineering drawing, installation guide or guarantee of compatibility. Consult a qualified engineer or plumber for your project.

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