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Grout and Mortar Moor Row

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

J Sullivan Ltd
01946 814977
Joraine Bank
Cleator Moor
 
R & I Robson
01946 61884
6 Acer Grove
Whitehaven
 
West Cumbria Scaffolding
01946 692678
Moresby Parks
Whitehaven
 
R & S Builders
07863 249108
40 Cambridge Rd
Whitehaven
 
David Mingins Joinery
01946 817318
47 Todholes road
Cleator Moor
 
Kevin Christian
01946 590262
36 Rutland Avenue
Whitehaven
 
Carter Plant Hire
01946 811357
29 Penzance Street
Moor Row
 
C M B Properties Ltd
01946 815111
Unit 12
Cleator Moor
 
K J Solutions
01946 810646
25 Church St
Whitehaven
 
W R Patterson
01946 694058
Resovoir House
Whitehaven
 

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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