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Grout and Mortar Maryport

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

Garry Atkinson
01900 815881
28 Flemming Street
Maryport, Cumbria
 
Graeme Ivison
01900 817864
16 Eaglesfield Street
Maryport
 
G & J Builders
01900 818289
13 Grasslot Street
Maryport
 
Philip Barkhouse
01900 810343
27 King Street
Maryport
 
Stephen Morrison
01900 814150
30 Wood Street
Maryport
 
Martin Murray Ltd
01900 815792
49 The Beeches
Maryport
 
Acp Concrete
01900 810841
Solway Trading Est
Maryport
 
C Bailey & Son
01900 814204
41 Kirkby Street
Maryport
 
Pearce & Redman Building Contractors
01900 818382
3 Christian St
Maryport
 
Linde Castle
01900 810492
Unit 25a
Maryport
 

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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