The Advantages of Raised Flooring Systems for Modern Outdoor Spaces

September 10, 2026
3 min read
Queen outdoor setting

Balconies, terraces, podium decks and roof decks are often required to perform multiple functions simultaneously. Alongside the architectural requirements of the finished space, designers must accommodate drainage, protect underlying waterproofing systems and allow for future maintenance access.

Raised flooring systems have long been used to address these challenges, supporting surface finishes above waterproofed substrates while maintaining accessibility and drainage performance.

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Accommodating Falls Without Compromising the Finished Surface

Waterproofed deck constructions rely on falls to direct water towards drainage outlets. While essential for drainage performance, these falls can create constraints when surface finishes are installed directly onto the substrate.

Raised flooring systems separate the finished surface from the waterproofed structure below, allowing pavers, tiles or decking to remain level while the substrate retains the required falls. Water passes through open joints and flows across the waterproofing layer to designated drainage points.

This approach allows the drainage strategy to function as intended without influencing the finished surface geometry.

Protecting Waterproofing and Simplifying Maintenance

The long-term performance of any waterproofed outdoor area depends on maintaining the integrity of the membrane system beneath. Once concealed below surface finishes, access for inspection or repair can be difficult and disruptive.

By supporting the finished surface above the waterproofing layer, raised flooring systems reduce direct traffic on the membrane while preserving access when required. Individual pavers, tiles or decking elements can be removed and reinstated without disturbing surrounding areas, simplifying maintenance and future repairs.

For enclosed weathertight deck constructions, maintenance access is also a regulatory consideration. E2/AS1 requires raised removable surfaces of tiles, pavers or timber decking over the underlying deck surface to facilitate cleaning and maintenance. Raised flooring systems provide a practical means of achieving this requirement while maintaining accessibility throughout the life of the deck.

This accessibility is equally beneficial where drainage infrastructure, irrigation systems, lighting or other services are located beneath the finished surface.

Equus jacks different levels

Greater Design Flexibility

Raised flooring systems can support a variety of exterior finishes, including porcelain pavers, ceramic tiles, natural stone, concrete pavers and timber decking.

The ability to accommodate changes in height, align finished floor levels and manage variations in substrate conditions provides flexibility across a range of project types. This can be particularly valuable where multiple materials, landscaping features or complex interfaces need to be incorporated within a single outdoor space.

Supporting Long-Term Building Performance

Accessibility and serviceability can have a significant influence on the long-term performance of outdoor spaces. The ability to inspect waterproofing systems, access concealed services and carry out localised maintenance without major disruption can simplify ongoing maintenance while helping to protect the underlying structure.

Combined with effective drainage and membrane protection, these advantages make raised flooring systems a practical solution for balconies, terraces, roof decks and podium areas where lifecycle performance is an important consideration.

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Poker Grid System

A Complete Raised Flooring Solution

The Equus Jacks range includes adjustable and fixed-height pedestals, modular support grids and installation accessories for tiles, pavers and timber decking.

Suitable for balconies, terraces, roof decks and podiums, Equus Jacks systems facilitate drainage and ventilation beneath the finished surface while helping protect underlying waterproofing membranes.

The result is a durable and serviceable solution for modern outdoor spaces.

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