navigation links
     
 
APPLICATION NOTES
Building and pointing mortars

 

For stone construction, durable Sandstone, Limestone and semi-vitrified brick (moderately permeable). For all exposures and in demanding situations.

Bleaklow coarse stuff with brickdust/pozzolana. Alternatively one of the following mixes:

 
1

2

3

4

5

6

7

8

9

0
LIME PUTTY
SHARP SAND
SOFT SAND
BRICKDUST
CEMENT
Mix A
3
6
2
1
0
Mix B
2
8
1
0
1

 

For soft brickwork, well weathered Sandstone and Limestone (permeable) in most exposures and for most situations.

Bleaklow medium stuff with or without brickdust/pozzolana. Alternatively one of the following mixes:

 
LIME PUTTY
SHARP SAND
SOFT SAND
BRICKDUST
CEMENT
Mix A
4
8
2
1
0
Mix B
3
11
0
0
1

 

For pointing carried out as a replacement of hard cement pointing or to repair badly weathered joints. The following formulas will provide two good general purpose mortars.

Bleaklow medium stuff with or without brickdust/pozzolana.

Bleaklow fine stuff with or without brickdust/pozzolana .

Alternatively one of the following mixes:

 
LIME PUTTY
SHARP SAND
SOFT SAND
BRICKDUST
CEMENT
Mix A
4
10
2
0
0
Mix B
4
10
2
0
0.5

 

Mortar requirements will vary for each building material but as an example for a one brick solid wall with the frog up typically 215mm thickness with 10mm joints and no mortar wastage, allow 0.53 cubic metres per 10 square metres of walling.