Contact Us Mattis construction company Limited has provided a range of repair and maintenance services to customers throughout whole country Rwanda. With our trademark services of waterproofing, Epoxy Flooring, carbon fiber, seismic stabilization, epoxy injection, and concrete repair, joint sealants and General Construction, our crews have worked on almost every major commercial building, Hospitals , water projects , Etc<85>. Mattis serves your building through a big professional engineering teams and trained skilled labours