Feature |
Cast Stone |
Limestone |
Architectural
Precast Concrete |
Calcium Silicate |
Specification division |
04720 |
04423 |
03450 |
04230 |
Composition |
Portland cement, Coarse and fine sand. Inorganic Iron oxides pigments |
Calcium Carbonate
( CaCO3 ) & Magnesium Carbonate (MgCO3) |
Coarse and fine sand, cement, large aggregates |
Lime and Silica based sand |
Typical uses |
Architectural ornamentation, veneer, or trim: window/door surrounds, bands, coping, columns, balustrades, etc. |
Architectural ornamentation, veneer, or trim: window/door surrounds, bands, coping, columns, balustrades, etc. |
Architectural concrete structural pieces and non-structural panels, etc. |
Variety of sizes and shapes is limited. Architectural applications, including exterior and interior masonry veneer. |
Structural use |
Can be reinforced, but has limited structural applications. |
Cannot be reinforced, used primarily as non- structural veneer |
Structural or non structural |
Non-structural
Not to be used at Grade. |
Colors available |
Almost unlimited |
Limited to white, buff, gray |
Almost unlimited |
Limited to earth tones |
Size of aggregate |
3/8" or less |
none |
3/8" to 3/4" |
3/8" or less |
Compressive strength |
6,500 PSI minimum ASTM C1194 |
4,000 PSI minimum ASTM C170 |
5,000 PSI minimum ASTM C39 |
5500 PSI minimum ASTM C73-99A |
Water absorption |
6% maximum
ASTM 1195 |
7.5% maximum |
7% maximum |
8.8 % maximum ASTM C73-99A |
weight/cubic foot |
140 |
144 |
145 |
129 |
Surface texture |
Fine grain to simulate natural stone, textures: bush hammered, any other finish available on natural stone or terra-cotta |
Fine grain, with directional grain lines |
Architectural finishes such as smooth, exposed aggregate, or sandblasted: not intended to simulate natural stone |
Fine grain to simulate natural stone |
Method of forming
into shapes |
zero-slump matrix rammed into rigid formwork until densely compacted and demoulded immediately |
Mined, cut, and fabricated |
Pouring measurable slump concrete mix into form, vibrating, and removing forms the following day |
Matrix pressed into steel molds under high pressure and demoulded immediately |
Bug holes or air voids |
No bug holes, guaranteed |
No |
Yes |
No |
Anchors supplied
by manufacturer |
Usually supplied by on-site erector. |
Usually supplied by on-site erector. |
Usually supplied by on-site erector. |
Usually supplied by on-site erector. |
Method of anchor
attachment to stone |
Anchor fastens to cast or cut anchor slots and dowel holes |
Anchor attaches to cut anchor slots and dowel holes |
Inserted in piece as it is poured at manufacturing facility or installed separately at the job site |
Anchor fastens to cut anchor slots and dowel holes |
Metal reinforcing |
Galvanized, Epoxy, Stainless Steel or FRP |
No |
Yes |
No |
Industry association |
Cast Stone Institute,
(770) 868-5909
www.caststone.org
staff@caststone.org |
Indiana Limestone Institute of America, Inc.
(812) 275-4426
www.ilia.com |
Architectural Precast Association
(941) 454-6984
www.archprecast.org
info@archprecast.org |
none |
Keys to optimum economy |
Profile repetition, average size 2.0 cu. ft., one flat unexposed surface |
Pieces with simple profiles, short distance of job site from mines |
ideal for larger structural pieces such as large panels or precast lintels |
Manufactured only in specific sizes |
What is Cast Stone and what is the difference between Cast Stone and precast concrete?
One way to explain it is that cast stone is a non structural masonry element used within the masonry veneer system, while precast concrete is best used as a structural building element.
Aesthetics - Cast Stone is free of bug holes and unsightly blemishes. It is manufactured to be used as a replacement for cut limestone, brownstone, sandstone, bluestone, marble and other natural building stones as well as terra-cotta. Cast Stone is generally used as an architectural feature, trim, ornament or veneer for buildings and or other structures.
Physical properties - Cast Stone is held to strict set of standards, less than 6% water absorption, greater than 6,500 psi and must withstand 300 freeze thaw cycles ( about one hundred north east winters). Corinthian Cast Stone far surpassed the ASTM 1364 standards in both in house as well as independent laboratory testing.
Why Corinthian Cast Stone?
- Over a decade of experience in handling projects of every type and size, from private to public, from the smallest to over 2 million dollars, Corinthian Cast Stone has the capacity and capability to handle your job.
- Over 50 employees dedicated to manufacturing cast stone. From estimating, sales, detailing, cnc programming, mold making, batch plant operation, casting, packaging, shipping and human resources, our people get the job done.
- The first computer controlled batch plant in the cast stone industry…this allows us to obtain unparalleled repeatability and quality control that is critical on finished product.
- The first in the world to own a FARO photon laser scanner. This allows us to field measure / capture a 3d model of a profile or a building or a city block, in literally minutes, WITHIN A MILLIMETER! 3d views as well as 2d plans and sections are created. Aside from manufacturing cast stone this service is available to Architects, Engineers and Surveyors.
- 3 axis or 5 axis work…our CNC / Mold department has capacity to mill anything in wood, foam, plastic or composites using 3d software including, Autodesk Inventor, AutoCAD 2009, Rhino, Geomagic, Solidworks, MasterCAM.
- Hundreds of units per day our Casting department produces on a first in first out manufacturing sequence.
- The only cast stone manufacturer to be DRY BLOCK CERTIFIED® (Dry Block® is a trademark of WR Grace).Our product, dry tamp cast stone, is regarded in the industry as among the best.
- Shipping product that looks better (less efflorescence and tighter, crisper edges) faster. Thanks to our Kraft Vapor Energy® cast stone curing system designed and built custom to our application, curing product at 105 F and 100% humidity.
- The only Cast Stone Institute Certified Plant on Long Island and within one hour from New York City.
- Corinthian Cast Stone in conjunction with the Cast Stone Institute® is registered with the American Institute of Architects Continuing Education System to present a one hour educational seminar on Cast Stone for 1 LU/EU.
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