Products and services Destinations Isoportti Oy In cooperation Contact information Quality control Isoportti Oy carries out versatile precast concrete work and related installation services Our main business is the manufacture of concrete elements, installation and construction activities related to the elements. Our area of operation is the Helsinki metropolitan area and southern Finland, other areas in accordance with the agreement. Detached houses (detached, terraced and semi-detached) Basement solutions Small apartment buildings Public Industrial halls Civil protection The best way to find out more about us and our services is to contact us . At the same time, you can ask for a quote for your own project. Quality control Read and download our Inspecta quality control certificate in PDF format Read more Inspecta quality certificates 25.8. 2015 Isoportti Oy's products were certified to meet the requirements of TR 61: 2014 with certification certificates Read more © 2017 Isoportti Oy Tel 020-7649600 Fax 020-7649601 isoportti @ isoportti.fi Isoportti Oy Sementtipolku 1 04620 Mäntsälä Finland