Precast Concrete Copings and Cast Stone Copings Abbotsford BC

What is the difference between precast concrete copings and cast stone copings in the market in Abbotsford? Although the terms are sometimes used interchangeably, the materials are different.

Kamloops Asphalt
(250) 319-4888
1009 Barnhartvale Road
Kamloops, BC
 
Low Cost Contracting Ltd
(604) 464-9163
12-1730 Broadway Street
Port Coquitlam, BC
 
Sunshine Asphalt Paving
(604) 520-1071
765 Sixth Street
New Westminster, BC
 
Columbia Bitulithic Ltd
(604) 324-3591
13340 Mitchell Road
Richmond, BC
 
Dawson Construction Ltd
(250) 374-3657
1212 McGill Road
Kamloops, BC
 
Magna-Core Asphalt Maintenance
(250) 376-1279
376 Campbell Avenue
Kamloops, BC
 
Sealpro
(250) 729-1683
6061 Pine Ridge Crescent
Nanaimo, BC
 
Martens Asphalt Ltd
(604) 858-2145
102-44488 South Sumas Road
Chilliwack, BC
 
Trasolini G Contractors Ltd
(604) 299-7010
908 Sherwood Avenue
Coquitlam, BC
 
Pittman Asphalt
(250) 564-9444
4955 Sandberg Road
Prince George, BC
 

Precast Concrete Copings and Cast Stone Copings

Provided By:

Source: MASONRY CONSTRUCTION MAGAZINE
Publication date: August 1, 1999

What is the difference between precast concrete copings and cast stone copings? Although the terms are sometimes used interchangeably, the materials are different. The primary difference relates to the consistency of the concrete when these elements are made. In cast stone, the concrete mix is very dry and contains no coarse aggregate. This mix is packed into the forms and pressed. The finished product looks very much like natural limestone.Cast stone can be colored and textured to provide a variety of appearances. Cast stone is difficult to air-entrain because some air will be squeezed out when cast stone is pressed into forms. Air-entraining improves the durability of concrete products exposed to cyclic freezing and thawing when wet. Cast stone manufacturers say their products are durable because of the low slump and the consequent low water-to-cement ratio. This gives cast stone a high compressive strength and durability in freeze-thaw environments.Precast concrete is formed with a low-slump fluid concrete that is poured into forms. Precast concrete also can be colored and textured to provide a variety of different appearances. Precast concrete products can be easily air-entrained, improving their durability.

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