For reliable drainage in areas with restricted digging depth, the 4All Grey Galvanized Shallow Channel is the perfect trade solution. This 1-metre channel combines a robust polypropylene base with a hard-wearing, grey galvanized steel slotted grate for superior durability and effective water removal.
Engineered to the A15 EN1433 standard, this channel is ideal for patios, paths, and door thresholds where standard depth channels cannot be used. The galvanized finish is designed to resist rust and corrosion, ensuring a long lifespan in the Irish climate.
Key Features:
Shallow Depth: With a height of approximately 90mm, it fits easily into low-dig areas and shallow paving builds.
A15 EN1433 Certified: Rated for pedestrian traffic and light domestic use (max 1.5 tonnes).
Grey Galvanized Steel: Provides a classic, industrial aesthetic that is highly resistant to wear and tear.
Interlocking System: Features a simple tongue-and-groove connection system for extending runs effortlessly.
Easy Maintenance: The securely fixed grate can be removed for simple cleaning and inspection of the channel base.
Technical Specifications:
Dimensions: 1000mm (L) x ~120mm (W) x ~90mm (H)
Material: Polypropylene body with Galvanized Steel Grate
Load Class: A15 (1.5 Tonnes)
Standard: EN1433 Approved
TJ’s Tip:
The shallow design is perfect for retrofitting drainage into existing concrete bases or patios. Ensure the base is laid on a solid bed of mortar to prevent movement. Don't forget to grab the 4All Drainage Channel Accessory Kit to get the correct end caps and a 110mm vertical outlet for this channel system!
* Effective from 3 December 2025 * Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.
Zone Indicator:
To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:
Types of goods
Available zones
Descriptions
Small & light items
All Zone area
Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors)
Large and bulky items Extra Large items
Zone 1 & 2 only
Wet & hazardous bagged, items over 20Kg weight & oversized; Euronics white goods, TVs of all sizes.
Large Paint items (6L / 6L+)
Zone 1 only
Large hazardous items (6L+) - available for collection
Available zones
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Descriptions
All zone area
This icon with all zone area in green, indicates this items can be shipped to all Zone.
Zone 1 & 2 only
Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2
Zone 1 only
Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only.
Old Appliance Collection:
When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.
At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within 30 days of delivery.
This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.
Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.