Product specification:  pure and natural hydraulic lime. Contains no additives.
Conforms to European Norm (EN 459) and French Norm NFP 15.311
Strength factor: 5 (Eminently hydraulic)Whiteness index:  67
Residue @ 0.09 mm: 7%  Surface cover 244 sq.ft/oz
Density (volumetric weight) typical. 43.7 lbs/cu.ft. Expansion : < 3/64"
Available (free) lime Ca(OH)2 after slaking: 15-20%Residue of quick lime after slaking: < 1%
Shelf life: 8-12 months kept sealed and dry Packing: 66lb. Bags 

MORTARS
Compressive Strength PSI
 
Elasticity Moduli (Mpa)
MIX RATIO
EN459*
1 : 2
1 : 2.5
1 : 3
 
1 : 2
1 : 2.5
1 : 3
7 Days 
284
245
128
 
n/a
n/a
n/a
28 Days
5*
319
290
217
 
10800
11000
10000
6 Months 
1060
857
770
 
18000
17050
16900
12 Months 
1346
1282
942
 
18510
17280
16150
24 Months 
1567
1277
1131
 
21500
18020
17430
Consumption for 1cu. yd  
590
472
393
       
*Incoming European Norm EN 459 (mortar ratio 1:1.3 with ISO 679 Sand)

Mixing: can be mixed in regular mortar mixers.

Application by spray gun: possible. Please consult us.

Working temperatures: not below 40oF or above 85oF.  Make sure that high suction materials are thoroughly dampened before application.  Avoid rapid drying due to high temperatures or strong winds by curing with a light water mist several times a day if necessary. Protect from frost, rain, direct sun and strong wind for a minimum of 48 hours.
SUITABLE FOR LATH WORK / LIME CONCRETE/INJECTION/GROUTING:see relevant sheets.

Reworking: possible within 8 hours.


Mortar composition: MASONRY/POINTING/CAPPING/MASS WALL BEDDING/ FOUNDATION/SEA DEFENSE WALLS/CHIMNEY STACK/NEW BUILD ( Masonry)

Depending on the conditions of the support/background, the fineness of the sand and the size of the joints, binder : sand ratio values vary between 1: 1.5 to 1: 2.5

Choose well graded sands (#6 to #200).
See also “General Guidelines – Sands for NHL mortars”.

RENDERING   
A.  Scratch coat (1/8"-3/16") 1 VOLUME NHL 5 : 1.5  VOLUMES of SAND Cast on recommended  
B.  Undercoat  (5/8"-3/4") 1 VOLUME NHL 5 :  2 VOLUMES of SAND * (1:2.5 max)  
*At this dosage the consumption is approx 2.34lbs. of NHL 5 per sq.yd for each 1/8" of thickness  
C.  Finishing (3/16"-3/8") USE NHL 3.5 OR NHL 2, see relevant sheets 

Please also refer to General Guidelines:NHL Renders.

The above details are given for information purposes only. Final dosages and application should be checked with our technicians. The Factory reserves the right to alter specifications.