5mm Thick PVC Support Disc
Fine-tune your paving or decking build-up with this heavy-duty 5mm PVC support disc – a simple yet effective way to raise surfaces by 5mm while protecting substructures and waterproofing layers.
Engineered from high-quality PVC, this support disc is designed to sit beneath existing pedestals or directly under joists and paving slabs, providing an incremental 5mm height increase. It’s ideal for adjusting build-up levels on-site without disrupting your layout or requiring mechanical fixings.
With a smooth, flat finish and a generous 150mm diameter, the disc distributes weight evenly across the sub-deck, helping to prevent damage to sensitive surfaces like waterproof membranes. Commonly used on terraces, balconies, and flat roofs, it offers a fast, low-impact solution for overcoming minor height discrepancies and improving overall surface drainage.
Key Features of the 5mm PVC Support Disc
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Incremental Build-Up: Adds 5mm to total system height for precision levelling.
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Wide Support Base: 150mm diameter ensures load spread and stable positioning.
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Exceptional Strength: Load-bearing capacity up to 8,000kg.
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Durable Composition: Manufactured from robust PVC for long-term outdoor use.
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Weather & Chemical Resistance: Performs in temperatures from -40°C to +75°C; resists acids, alkalines, and environmental exposure.
Ideal for Layering and Precision Levelling
Perfect for making micro-adjustments to decking and paving levels, this support disc can be stacked or layered beneath headpieces, joists, or pedestals to fine-tune installation height and improve drainage. It’s an essential accessory for installers working on waterproofed flat roofs, podium decks, or external terraces where precision is key.
Why Choose the 5mm PVC Support Disc?
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Adjusts height quickly without altering your main pedestal system
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Protects underlying membranes from abrasion and point loading
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Compatible with a variety of decking and paving systems
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Easily combined with cross spacers for enhanced alignment and water management
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Lightweight, stackable, and simple to install – no tools required
Need help calculating how many discs you'll need for your project? Download our technical guide or contact us for expert advice.
