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Composite Decking

Trex composite decking is one of the most trusted solutions for low-maintenance outdoor decking in Ireland. At TJ O’Mahony, we supply a wide range... Read more
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Trex composite decking is one of the most trusted solutions for low-maintenance outdoor decking in Ireland. At TJ O’Mahony, we supply a wide range of Trex composite decking boards, fascia boards and installation accessories, suitable for garden decks, terraces, patios and commercial outdoor spaces. As authorised Trex distributors in Ireland, TJ O’Mahony offers professional access to the full Trex decking system, including boards from the Trex Enhance® and Trex Transcend® ranges, along with compatible railing systems and installation accessories. Trex decking is widely used by builders, landscapers, contractors and homeowners looking for a long-lasting alternative to traditional timber decking.

Trex composite boards are manufactured using approximately 95% recycled materials, combining reclaimed timber fibres with recycled plastics to create a durable outdoor surface that resists rot, warping and splintering. Unlike traditional timber decking, Trex boards do not require staining, sealing or painting, significantly reducing long-term maintenance requirements. Modern Trex decking ranges feature protective shell technology, helping resist fading, staining, scratching and mould growth. Popular colour options available in Ireland include Biscayne, Island Mist and Rainier, offering natural timber aesthetics while maintaining consistent performance over time.

Trex decking systems are backed by a 25-Year Limited Residential Warranty, including fade and stain protection on high-performance ranges. This warranty reflects the durability of the material and its suitability for long-term outdoor use. Beyond decking boards, Trex offers a complete outdoor system including composite railing, lighting and structural accessories, allowing builders and homeowners to create fully integrated outdoor living spaces.

Trex composite decking is commonly specified for:

  • Garden decking areas
  • Patio and terrace installations
  • Residential landscaping projects
  • Hospitality and commercial outdoor spaces
  • Renovation and outdoor upgrades

Because Trex boards require minimal maintenance, owners can spend more time enjoying their outdoor spaces rather than maintaining them. Trex decking products and samples can be viewed across the TJ O’Mahony branch network within Ireland, where our teams can assist builders, contractors and homeowners in selecting the right boards, colours and installation accessories for their project.

Why Choose Trex Composite Decking?

While composite decking may have a higher upfront cost than pressure-treated timber, the reduced maintenance and long service life typically result in better long-term value. Compared with traditional timber decking, Trex offers several practical advantages:

  • Resistant to rot, warping, splintering and insect damage
  • No staining, sanding or painting required
  • Manufactured from recycled materials
  • Consistent colour and finish
  • Long lifespan with 25-year warranty protection

Installation Resources

For builders and installers working with Trex decking systems, detailed installation documentation is available:

Trex Decking Installation Guides

  • Trex Full Installation Guide
  • Trex Decking Installation Guide
  • Trex Colour Match Screws Installation Guide
  • Trex Signature Decking Installation Guide

Trex Railing Installation Guides

  • Trex Signature Railing Post Installation
  • Trex Post Mount Installation Guide
  • Trex Joist Mount Post Installation Guide
  • Trex Horizontal Crossover Bracket Guide

Additional documentation can be found via the Trex technical resource library.