PermaBase® brand Cement Board is a rigid substrate made of Portland cement, aggregate and glass mesh that provides an exceptionally hard, durable surface that is able to withstand prolonged exposure to moisture.
PermaBase offers a competitive advantage over similar products on the market with its patented EdgeTech® technology. The tapered, reinforced edge design allows for closer nail or screw application to the edge.
Double-wrapped edge with EdgeTech technology allows for closer fastener application of nails or screws at the edge without crumbling or spin out.
IRC and IBC 2006 Compliant – Meets ASTM C 1325. PermaBase resists the growth of mold and mildew achieving a panel score of 10, the highest score possible, per ASTM D 3273.
Homogeneous core has fewer voids and provides a very easy and clean score and snap.
Can be cut utilizing a standard utility knife and straightedge. With PermaBase’s unique core composition, little or no additional labor is needed to clean the edge after a cut
Non-Combustible -A1 rating- 1 and 2 hour fire rating depending on wall build up
Moisture resistant - will not be effected by water or moisture
Mould resistant - will not promote mould growth
Dimensionally stable - will not expand / contract
Increases Acoustic values
Impact resistant
Excellent tile backer board - can be tiled onto without primer
Can be used a render receiver board - basecoat / acrylic or sand and cement
* 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
Indicator
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.