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08000 322 122(NI & UK)
1800 322 122(ROI)
Quinn Lite Standard Blocks (B5)

Mannok Aircrete Standard Blocks

Mannok Aircrete Standard block combines optimum levels of thermal performance, strength and density to make it suitable for almost all on site applications, including party wall construction.

*Mannok Aircrete Standard (previously Quinn Lite Standard)

Performance & Properties

Gross Dry Density (Kg/m3) 650
Mean Compressive Strength (N/mm2) 5.2
Thermal Conductivity (W/mK) 0.17
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)
75* 0.44 96 9.72 4.75 47
100 0.59 72 7.30 6.33 63
115* 0.68 64 6.48 7.28 72
125* 0.74 56 5.67 7.92 78
140 0.82 48 4.86 8.87 88
150 0.88 48 4.86 9.50 94
200* 1.18 32 3.24 12.67 125
215 1.26 32 3.24 13.62 135
250* 1.47 24 2.43 15.83 157
275* 1.62 24 2.43 17.47 172
300 1.76 24 2.43 19.00 188
350 2.06 16 1.62 22.17 219

NOTES
1.*Sizes made to order
2. Wall area includes and allows for 10mm conventional mortar joints
All block face sizes are (Length x Height) 440mm x 215mm
Pack sizes are approx 900mm x 900mm x 900mm

Coursing Units

Length (mm) Width (mm) Height (mm) Unit wt.(Kg)@ 3% moisture No. units per pack Approx wt. (Kg) per pack @ 3% moisture
215 100 65 0.95 364 345
440 100 100 2.95 112 330
440 140 100 4.10 90 370
440 150 100 4.42 90 400
440 150 150 6.63 90 600

Fire Resistance

Mannok 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
Load bearing single leaf wall 215mm 180mm 140mm 100mm 100mm 90mm
Non-load bearing single leaf wall 150mm 100mm 75mm 63mm 63mm 50mm
Load bearing cavity wall 150mm 150mm 140mm 100mm 100mm 90mm
Non-load bearing cavity wall 90mm 75mm 75mm 63mm 63mm 50mm

Acoustics

Mannok Aircrete Standard Blocks have a density of 650kg/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 Mannok Technical Department.

For more information call: 08000 322 122 (UK&NI) 1800 322 122 (ROI)