St Astier NHL Mortars Consumption Chart

NHL products are bought by weight but mixed by volume. Their low density in comparison with other binders means that with the same weight one would produce up to three times the amount of mortar.

Binder consumption for 1m3 of mortar: volume /weight comparison
  Average Volumetric Mixes - Kg/m3
Binder Density (Kg/m3) 1:2 1:2.5 1:3
NHL 5
666 333 266 222
NHL 3.5 610 305 244 203
NHL 2 560 280 224 186
Lime Putty 1350 675 540 450
OPC/W.Cement 1450 725 580 483

Mortar required per 100 square metres of brickwork with 10mm joints.
Brick sizes have been taken to be 215mm x 103mm x 65mm. Mix ratio 1:2.5.

Type of wall Wall
thickness
No. frog
m3
Single
frog m3
Amount of NHLs in Kg
(No frog/single frog)

      NHL 5 NHL 3.5 NHL 2
Half brick 103mm 1.38 2.26 364/569 336/551 309/506
Cavity 255mm 2.76 4.52 728/1193 673/1102 618/1013
One brick solid 215mm 3.54 5.38 934/1399 863/1293 793/1187
one & half brick solid 328mm 5.69 8.34 1502/2201 1388/2034 1274/1868
  Small Logo

For further Guidance, contact your St Astier Distributor.
Copyright © 2016 CESA, Chaux et Enduits de St Astier