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Jerome J. Lazar
Senior Member
Username: Lazarcitec

Post Number: 8
Registered: 05-2003
Posted on Friday, August 08, 2003 - 10:27 am:   Edit PostDelete PostPrint Post

Int. Designer has speced 'White Patina Terrazzo' for the floors of public restrooms in a condominium/hotel. ID will not provide any further information. Is this cement terrazzo or epoxy? Which type of terrazzo would be recommended for this application? Not being a terrazzo maven, I look to this forum for suggestions and recommendations.
Helaine K. Robinson CCS
Member
Username: Hollyrob

Post Number: 4
Registered: 07-2003
Posted on Friday, August 08, 2003 - 10:33 am:   Edit PostDelete PostPrint Post

Why not start with the NTMA at http://www.ntma.com/?
Jerome J. Lazar
Senior Member
Username: Lazarcitec

Post Number: 10
Registered: 05-2003
Posted on Friday, August 08, 2003 - 10:45 am:   Edit PostDelete PostPrint Post

Helaine, NTMA is an excellent source, however it does not have a sarch choice and google searches for 'White patina terrazzo' turn up nothing..also I look here on this forum for the knowledge from my peers and those who have learned their lessons over time. I find forum information to be extremely helpful as a specification writer in expanding my knowledge base.
Helaine K. Robinson CCS
Intermediate Member
Username: Hollyrob

Post Number: 5
Registered: 07-2003
Posted on Friday, August 08, 2003 - 10:52 am:   Edit PostDelete PostPrint Post

Another good source might be a terrazzo contractor such as Santarossa in Indianapolis:

David Santarossa
ds@santarossa.com
(317)632-9495 (ext. 3020)

- Holly
Bill DuBois (Unregistered Guest)
Unregistered guest
Posted on Friday, August 08, 2003 - 03:01 pm:   Edit PostDelete PostPrint Post

Question: Why use epoxy terrazzo instead of traditional sand-cushion cementitious terrazzo?
Answer: Because of its unlimited color palette and higher strength epoxy terrazzo offers more design possibilities than cementitious terrazzo. Epoxy terrazzo provides better resistance to stains resulting from wetting, food, urine, oils, acids, and mild alkalis. Cementitious terrazzo is generally not recommended for use in toilet rooms, kitchens, and laboratories. Epoxy terrazzo contributes considerably less weight (3 p sf versus 30 psf) and thickness (3/8 versus 2-1/2) to construction. Reduced installation time of epoxy terrazzo results in reduced cost. The cost difference depends on the market. For instance, in union markets like New York City, epoxy terrazzo can be 20-25% less expensive than sand cushion terrazzo. In non-union markets, the difference may not be as great.
Dave Metzger
Senior Member
Username: Davemetzger

Post Number: 49
Registered: 07-2001
Posted on Friday, August 08, 2003 - 03:35 pm:   Edit PostDelete PostPrint Post

There is no universal panacea.

Everything that Bill duBois says is true. Additionally, you are not limited to divider strips avery 4 feet or so with epoxy terrazzo, as you are with sand-cushion cementitious terrazzo.

However: epoxy terrazzo does have disadvantages. Polymer patching mortar is required for slab patching; typical flash patch and similar products are not strong enough (general rule, substrate must be stronger than subsequent toppings and finishes). Epoxy systems are not suitable where the possibility of hydrostatic pressure exists (as with slab on grade)--use polyacrylate-modified cementitious terrazzo in these locations, with the caveat that generally epoxy terrazzo will wear better than polyacrylate).
Jerome J. Lazar
Senior Member
Username: Lazarcitec

Post Number: 11
Registered: 05-2003
Posted on Friday, August 08, 2003 - 04:18 pm:   Edit PostDelete PostPrint Post

Thanks Bill & Dave, your information is what I seek, now I can do further research at NTMA and General Polymer as I need to provide answer by Monday...much appreciation.
Jo Drummond
Senior Member
Username: Jo_drummond

Post Number: 66
Registered: 03-2002
Posted on Monday, August 11, 2003 - 05:00 pm:   Edit PostDelete PostPrint Post

Epoxy may yellow if exposed to UV. Your color sounds like it is white, so that may be a problem, depending on the exposure.

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