High Cement Content Problems Bronxville NY

Portland cement gives a mortar added durability, high early strength, a consistent hardening rate, and high compressive and bond strengths. However, mortar with excessively high cement contents can affect water permeability and durability of the masonry.

Local Companies

Ugolini Elio Mason Contractor
(201) 433-4304
213 Harrison Ave
Jersey City, NJ
Anton Haddad Plumbing & Heating
(201) 792-1587
15 Saddlewood Ct
Jersey City, NJ
A La Marca Construction
(718) 526-7795
14402 91st Ave
Jamaica, NY
Kabinet King
(718) 291-5023
17605 Linden Blvd
Jamaica, NY
Pezzino Nely
(718) 358-1481
2221 Parsons Blvd
Flushing, NY
E C Hufnagel Landscaping Inc
(201) 869-5680
51 Broad Ave Apt 1
Fairview, NJ
Albanese J Construction Co Inc
(201) 659-6165
123 Oakland Ave
Jersey City, NJ
Samson Stone Co Inc
(201) 656-2417
1000 Newark Ave
Jersey City, NJ
Malatesta Paladino Inc
(718) 523-5656
13919 109th Ave
Jamaica, NY
Peter Home Improvements Corp
(718) 699-8441
5841 Waldron St
Flushing, NY

Provided By:

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


Portland cement gives a mortar added durability, high early strength, a consistent hardening rate, and high compressive and bond strengths. However, mortar with excessively high cement contents can affect water permeability and durability of the masonry. Water permeability is increased for three reasons. First, mortars with high cement content have greater shrinkage and more frequent shrinkage cracks. Shrinkage cracking often takes the form of evenly spaced vertical cracks in bed joints and evenly spaced horizontal cracks in head joints. The mortar may also separate or pull away from the body of the brick at the bond interface. Although high cement content mortar itself is less permeable, water can penetrate the shrinkage cracks. The second reason that high cement content mortars may increase water permeance is that these mortars are stiff and not easily workable. Because of this, good bond may not be achieved at the time of construction. Finally, the high strength (high cement content) mortars are hard (brittle) and don't easily accommodate movement of the masonry (due to environmental changes or foundation settlement) and therefore may result in cracking of the masonry wall. Cracks make the walls more susceptible to freeze-thaw deterioration even though hi...

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