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AT Specialty Cements specializes in offering the most innovative concrete technology for new and existing construction. 


New construction - Our products bring efficiency and durability to the concrete construction, resulting in profitability and resiliency amidst the challenges of today’s workforce and climate changes affecting the construction industry. 


Repairs - Our technology is bringing the fastest and most reliable results to our customers, minimizing the downtime and returning to service to maximize their total customer satisfaction. 


Preservation & Protection - Our products outperform others in the market. We have the technology that fits your unique needs to extend the service life of your property. We evaluate your structures and its end use before we provide you with customized solutions tailored to your needs and requirements.





Year Established

Projects Completed

Brands Represented



Ing. Tony Vazquez, Project Manager at DM Group

"AT Specialty Cements is like the 911 of concrete, every time I get a problem, I just call Guillermo and the problem is solved"

Emiliano H. Ruiz, PE

"Álvarez Trading represents multiple products related with concrete construction and repair. I have been involved with various projects where many of them have been used, with extraordinary success. And, equally important, the guidance and support by Mr. Guillermo Álvarez, PE, is superb.  "

Ron Shaw,

SprayLock Concrete Protection,

Southeast Regional Sales Manager

"AT Specialty Cements has unbelievable product knowledge! I have worked with distributors all over the country and I can honestly say not one of them posses the total construction knowledge that AT has in its owner Guillermo Álvarez.

His customer service department is always available, knowledgeable, and ready to make your experience with AT Specialty Cements , exceptionally smooth, which I really valued"

Juan J. Galarza Figueroa, PE

Supervisor de Proyectos

"Constructora I. Melendez, LLC is a company that has 50 years of service in the field of construction and has used Alvarez Trading products where we have obtained excellent results in our projects. They have a staff with experience in the field of construction that helps and guides you in the products so that you use the best product that is cost effective and the service of delivery of the products is of excellence. We are very satisfied with the Alvarez Trading service in our projects"

Jaime M. Robert, PE

"Álvarez Trading has been very helpful providing me products for new designs and for repairing existing structures. Also, Eng. Guillermo Álvarez provides me with guidance and support."

Ing. Omar Y. González
Vice-President CRU, LLC

"When we need a concrete solution for a persisten construction problem AT SPECIALTY CEMENT alway have the answer "

Mario Somoza

President and CEO Pan Pepin, Inc.

"AT Specialty has worked on a variety of projects for us, and they always have the right solution for every type of application. Best in class knowledge, service, and expertise"

Kelton Glewwe, Vice-President. 

"From a manufacturer and supplier point of view, you are a great concrete problem solver. You do your research and present concrete repair solutions that are logical and realistic. You go for the best long term solution first even if it is not quickest or easiest method."



More Projects



Fast-setting cement results in minimal traffic disruption for Teodoro Moscoso Bridge rehab

Article published by Roads&Bridges

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Article by Sharon J. Rehana and published by Rapid Set

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PUERTO RICO INTERNATIONAL AIRPORT: Runway Repairs Returned Back to Service in Less Than Two Hours

Article published by Rapid Set




For any inquiries, questions or commendations, please call: +1 787-727-1663 or fill out the following form

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Head Office

605 Calle Pedro de Castro, San Juan, 00910, Puerto Rico



Tel: +1 787-727-1663

Get a quote: +1 787-727-1663