For stylish, low-maintenance outdoor decking, Trex Enhance Naturals Composite Decking – Rocky Harbour 140x25mm x 4.88m Grooved is a trade favourite. Combining the natural appearance of timber with the durability of high-performance composite, it’s perfect for decks, patios, and terraces that need to look great year after year.
This grooved board is designed for hidden fastener systems, creating a smooth, clean finish without visible screws. Resistant to rot, mould, splintering, and fading, it’s a reliable choice for both DIY enthusiasts and professional installers.
Key Features:
Composite Durability: Weather-resistant, rot-proof, and splinter-free for a long-lasting, low-maintenance deck.
Grooved Design: Compatible with hidden fasteners for a neat, professional finish.
Authentic Timber Look: Rich Rocky Harbour colour with subtle wood grain for a natural appearance.
Fade & Stain Resistant: Keeps its colour and texture over time, even in harsh outdoor conditions.
Easy Maintenance: No sanding, staining, or sealing required; just clean as needed.
Installation guide can be found in our More Information Tab below
TJ’s Tip:
For the best results, install using a compatible hidden fastener system and allow recommended expansion gaps between boards. Ensure the deck is supported by a stable, ventilated subframe to prevent moisture build-up and maximise longevity.
We offer reliable delivery services throughout the Republic of Ireland, with straightforward delivery charges for both trade and DIY customers. Delivery options are confirmed at checkout based on your order and delivery Eircode.
Delivery Charges & Delivery Times
Delivery Type
Delivery Area
Delivery Charge
Delivery Time
Small Items
Republic of Ireland
€9.99
3–4 working days
Large & Heavy*
Standard delivery area
€29.99
5–7 working days
Extra Large*
Standard delivery area
€50.00
5–7 working days
Paint 5L or less**
Standard delivery area
€19.99
5–7 working days
Swipe sideways to compare delivery options.
Small Items
Delivery area
Republic of Ireland
Charge
€9.99
Delivery time
3–4 working days
Large & Heavy*
Delivery area
Standard delivery area
Charge
€29.99
Delivery time
5–7 working days
Extra Large*
Delivery area
Standard delivery area
Charge
€50.00
Delivery time
5–7 working days
Paint 5L or less**
Delivery area
Standard delivery area
Charge
€19.99
Delivery time
5–7 working days
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
Additional Information
FREE delivery on eligible Small Items and Large & Heavy orders over €1,499, within the standard delivery area only.
Special Order and Catalogue Products require an additional 5 working days.
FREE collection of old appliances is available through WEEE Ireland when purchasing qualifying large appliances.
FREE Click & Collect is available for items in stock at your selected branch.
Large & Heavy and Extra Large items are available within our standard delivery area only.
Paint delivery Paint in tin cans 5L or less is available for delivery. Larger sizes and paint supplied in plastic buckets are available for Click & Collect only.
TJ O'Mahony offers a 30-day returns policy on eligible unused products, giving you additional time beyond the statutory 14-day cooling-off period applicable to most online consumer purchases.
Eligible products can be returned for a refund or exchange within 30 days of delivery or collection, provided they are unused, in their original and re-saleable condition, complete with all supplied parts and accessories, and accompanied by proof of purchase.
Please note: Return restrictions apply to certain products, including Mixed Paint, certain Bagged Building Products, Solid Fuel, Special Order, Non-Stock and Catalogued Products.
Your statutory rights in relation to faulty, damaged, incorrectly supplied or non-conforming goods are not affected.
