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Grout and Mortar Workington

What is the difference between grout and mortar sold in the market in Workington? Can mortar or concrete be used for grout? The main difference between mortar and grout is the amount of water in the mix.

E Owen Builder
01900 64474
Janell
Workington
 
M.a.t.
01900 62167
5 Grey St
Workington
 
D Robinson
07876 594827
46 Grasmere Avenue
Workington
 
Hewden Hire Centre
01900 873344
5c Buddle Road
Workington
 
T Glendinning & Co Ltd
01900 602926
Clay Flatts
Workington
 
Short Bros (plant) Ltd
01900 872253
Within Corus Rail
Workington
 
Sg Construction
01900 872429
55 Bolton Street
Workington
 
Rmc
(019) 006-7161
Clay Flatts Industrial Estate
Workington
 
David Bell
01900 601909
97 Harrington Road
Workington
 
Colin Duggan
01900 601859
24 Seaton Road
Workington
 

Grout and Mortar

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: June 1, 1990

What is the difference between grout and mortar? Can mortar or concrete be used for grout? The main difference between mortar and grout is the amount of water in the mix. Grout must be made with enough water to make it pourable or pumpable but not with so much water that the grout components segregate. Grout slump generally should be between 10 1/2 to 11 inches. Mortar, on the other hand, should contain only enough water to produce a smooth, plastic, "buttery" consistency that sticks to the trowel and is easy to spread. Mortar and grout also contain different ingredients. Mortar often contains hydrated lime; grout usually contains little if any hydrated lime (ASTM C 476, Specification for Grout for Masonry, allows up to 1/10 part lime to 1 part cement). In addition, coarse grout contains larger aggregates than mortar or fine grout. Mortar should not be substituted for grout unless the substitution is allowed by the architectural specifications. Mortar often is too stiff to flow around steel into small cavities or cores without leaving voids. These voids not only reduce strength but also can lead to water leakage problems. Mortar often is used to slush collar joints instead of filling collar joints with grout. This practice is convenient to masons but has disadvantages.

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