Get €10 off on orders over €50 - Add TJY1222 at checkout (T&C apply)
E-MAIL [email protected]
Can we help you? Chat with an expert nowChat with an expert now
Quinnlite Block B7 4 (72)
The Quinn Lite Seven combines a very high strength to weight ration with an excellent thermal performance making them ideally suited multi-storey domestic and commercial buildings.
Performance & Properties
Gross Dry Density (Kg/m3) 760
Mean Compressive Strength (N/mm2) 7.5
Thermal Conductivity (W/mK) 0.19
Dimensional Tolerance in GPLM D1
Dimensional stability/moisture movement (mm/m) <0.4
Block Thickness(mm)
Note 1 Thermal Resistance (m2K/W) No. Block per pack Wall area per pack (m2)
Note 2 Approx Block Wt. @ 3% moisture (Kg) Approx Wt. of wall per m2 (Kg)
| Block Thickness(mm) Note 1 | Thermal Resistance (m2K/W) | No. Block per pack | Wall area per pack (m2) Note 2 | Approx Block Wt. @ 3% moisture (Kg) | Approx Wt. of wall per m2 (Kg) |
|---|---|---|---|---|---|
| 100 | 0.53 | 72 | 7.30 | 7.41 | 73 |
Length (mm) Width (mm) Height (mm) Unit wt.(Kg)@ 3% moisture No. units per pack Approx wt. (Kg) per pack @ 3% moisture. Fire Resistance
Quinn Lite thermal blocks provide excellent fire protection in both load bearing and non load bearing applications. They are classed as non combustible and have a Class 0 resistance to surface spread of flame and category A1 in accordance with BS EN 13501-1. Block thicknesses required for fire resistance periods are shown in the table below.
6 Hours 4 Hours 3 Hours 2 Hours 90 Mins 60 Mins
Acoustics
Quinn Lite Seven Blocks have a density of 760kg/m3 and so are suitable for use in party wall construction. Guidance on party wall construction can be found in Robust Details or alternatively contact the Quinn Lite Technical Department.
| Brand | TJ O'Mahony |
|---|---|
| Weight | 21.0000 |
| 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.
