Get €10 off on orders over €50 - Add TJY1222 at checkout (T&C apply)
E-MAIL [email protected]
29.5mm X 2.438m X 1.2m Insulated Pir Plasterboard (8'X4') (T/Liner)
Can we help you? Chat with an expert nowChat with an expert now
Our Thin-R range is a high performance foil faced Polyisocyanurate (PIR) insulation with a certified thermal conductivity as Low as 0.022 W/mK. Thin-R is also available with engineered jointing to provide improved continuity and thermal bridging performance.
XT/TL
Thin-R Thermal Liner Dot & Dab XT/TL is a composite insulated panel of Xtratherm PIR insulation core with a composite kraft facing bonded to 12.5mm tapered edge plasterboard for internal applications, fixed with proprietary adhesive bonding.
The composite kraft facing on both sides of XT/TL incorporates an integral vapour control layer, which helps to reduce the risk of condensation. XT/TL is designed to provide high levels of thermal insulation and drylining in one operation, providing the solution of choice in newbuild and renovation. Whether building new or upgrading, due consideration towards the energy efficiency of your home can have many benefits, including reduced energy costs and improved living conditions.
U-Value calculations to EN ISO:6946
Wall Type 50mm 60mm 70mm 80mm 90mm
300mm Clear Cavity Wall Brick/Block 0.33 0.29 0.25 0.23 0.21
215mm Hollow Block (External Render) 0.35 0.30 0.26 0.24 0.21
Cavity Wall Pumped Block & Block (Pumped Bead @ 0.033 W/mk) 0.17 0.16 0.15 0.14 0.13
| Brand | Xtratherm |
|---|---|
| Weight | 1.0000 |
| Provided by | TJ O'Mahony |
| Delivery Rule | large & heavy |
Last update: 17 August 2026
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 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 |
*Standard delivery policy. Promotional delivery rates may apply during campaigns.
30-Day Returns
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.
![Metal Insulation Nylon Thermal Cap [Sold Per Bag]](https://staging.tjomahony.ie/media/mf_webp/jpg/media/catalog/product/cache/a57e39368eb2920ae1e1b898b5905c27/T/h/Thermal_cap_cover.webp)
