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  • Christmas Sale! Enjoy 15% off composite decking, cladding, fencing, and more! Use code SANTA15 (Excludes fixings and subframes)
  •  FREE DELIVERY on all orders over £1000*

  • Christmas Sale! Enjoy 15% off composite decking, cladding, fencing, and more! Use code SANTA15 (Excludes fixings and subframes)
  •  FREE DELIVERY on all orders over £1000*

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Foundations & Subframe

Plastic Decking Joists Laid Down In A Garden - Assured Composite

Foundations & Subframe

Various subframes can be used when installing our composite deck boards. Be sure that you choose the right subframe taking into account the foundation and the space underneath deck boards for ventilation (minimum 25mm).

Adjustable Pedestal Supports

Our adjustable pedestal supports are used in areas where you require the joists raising off the surface. These are for hard foundations and can be used with timber, plastic, metal or solid composite joists.

Hollow Composite Joists

Our hollow composite joists are used where a concrete foundation is in place so the joists can be fixed directly to the foundation.

Adjustable Pedestal Supports

Plastic or timber joists and posts can be used on hard or soft foundations and are ideal in situations where the ground is uneven or you require a high raised decking area.

Need Some Help? We've Got You Covered!

Explore our frequently asked questions or use our convenient search feature to locate the information you need. Alternatively give our team a call on 01664 400 140 and we'd be happy to help!

© Assured Composite 2024. All Rights Reserved. Assured Composite is a registered company in England and Wales under Company Number: 10166812. VAT Number: 244830019.
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