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About The Research institute of building materials NIISM
The Research institute of building materials NIISM was found as an independent economic organization on 01.01.1963. The main scientific departments are identified by construction industry branch subsections and are directed for developing of the relevant tasks. The mutual commitment among them gives an opportunity for solution of fundamental for the construction products industry problems.
NIISM Ltd activities:
* Research, consulting and expert activity of the constructive industry technologies and productions – row materials for the construction industry: cement, gypsum, lime, aggregates, concrete, mortars, constructive and facing ceramics, hydro and thermal insulation products, thermal insulation products, thermal insulation systems, construction adhesives, fireproof products and others.
* Construction products conformity assessment;
* Development and publication of Bulgarian technical approval /BTA/;
* Laboratory control at the Accredited testing laboratory for constructive products;
* Audit of production control systems;
* Standardization documents development and introducing;
* Team of experts assessor and Environmental impact assessment development;
* Production of: chemical supplements for grouts and concrete;
* Thermal, aerodynamic, ecological measuring and devices.
Since 16.08.2007 NIISM has a European Notification of construction products conformity assessment № NB 1950.