Founded in 1978, Danosa Caribbean, Inc. is a manufacturer of SBS and APP roll waterproofing membranes.

We are committed to excellence in our operations and are leaders in our business sector because we manufacture products that meet the strictest quality controls. Above all, we have the capacity to deliver great results. 


Our highly qualified Quality Control Department supervises the process, transformation and results of the final product.

We are continuously testing and researching ways to improve each product, as well as, developing new alternatives for more resistant and lasting waterproofing membranes. 


We manufacture a variety of products for both do-it-yourself and contractors markets in different reinforcements, and system configurations. We are also a distributor of a variety of roofing solutions.

Our products are used in diverse applications in residential, institutional, and commercial buildings.

We take pride in the fact that more than half of our staff have been with us for more than 10 years.


Our Corporation is led by entrepreneur Waleska Rivera. She was Chairwoman of the Puerto Rico Manufacturers Association (PRMA) from 2013 to 2015, she currently serves as President of the Association's Internationalization Committee leading a number of initiatives as part of PRMA's Strategic Hemispheric Agenda. Ms. Rivera holds a BA with honors in Accounting from the University of Puerto Rico-Mayaguez and an MBA in Industrial Management from Inter American University. Ms. Rivera has received a number of awards and recognitions including being named a Top 10 Business Leaders of Puerto Rico by Caribbean Business for the last three consecutive years.



SBS & APP Modified Membranes (Aluminum Clad, Granules, Smooth) UL, FM, Energy Star Miami

Green Roof Systems

Cool Roof Systems

"Single Ply" Systems

Liquid Applied Polyurethane and Acrylic Coatings

Roof Tiles Foam Adhesives

Below grade, Pedestrian Surfaces, and Parking Decks Waterproofing

Roof Penetration Protection "Pitch Pockets"

Standing Seam, Bermuda, and Curved Metal Panels

Solar Panels

And much more...