Evaluates and classifies the performance of the construction systems that make up a building at MINIMUM (M), INTERMEDIARY (I) and SUPERIOR (S) levels according to the result achieved in the application of the tests set forth in this standard. For sealing masonry systems (ABNT NBR 15.575-4 – Internal and External Vertical Sealing Systems (SVVIE)), the standard characterizes and evaluates these systems and determines that for a SVVIE to be in compliance, they must be tested for mechanical resistance, tightness, soundproofing, and fire resistance, being obligatory the minimum compliance with all these requirements. The following is a description of each of these tests.

NBR 15.575-2, items 7.3, 7.4 and 7.6 which respectively deal with resistances for internal and external vertical sealing systems (SVVIE) to the actions of suspended loads, impact of soft body and impact of hard body. Impact of actions of suspended loads: The impact test of actions of suspended load is tested according to ABNT NBR 15575-4:2013, which has as main objective to verify the resistance of the system subjected to the action of shear stresses and bending moments simultaneously. Impact of soft body: This test aims to determine the resistance of the system to possible shocks that may occur due to its use. For this, a 40kg bag filled with glass beads is thrown in a pendulum movement against the most unfavorable point of the wall. Different heights are used to simulate different requests. Impact of hard body: This test aims to determine the mechanical resistance of the wall to impacts from the use of the system. To do this, a 1kg steel sphere is projected several times against the external face of the wall (face that would be exposed to the public) and the impact is analyzed according to the criteria of NBR15.575. Still regarding this test, the inner face is also subjected to impacts of a 0.5kg massive sphere with different energies and also the impact is analyzed according to the performance standard.

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The test consists of evaluating the performance of the vertical sealing system in case of fire, its fire resistance time and its behavior in relation to structural stability and smoke tightness, as well as thermal insulation.
The test method used was that prescribed by ABNT NBR 10636:1989 – Partition walls without structural function – Determination of fire resistance. The purpose of the test was to verify the characteristics of stability, tightness and thermal insulation of the product, as well as specific behaviors relevant to fire safety.

Below is a summary of the results: CERAMIC BLOCK HORIZONTAL HOLES

Sound insulation tests are performed in accordance with ISO 10140:2010 and ABNT NBR 15.575-4 which test the sealing system by the emission of several frequency bands to determine the value (in decibel) of the noise reduction.

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The tightness of a system is a preponderant factor when it comes to performance. It is what guarantees the aesthetic and mechanical conservation of a building besides being directly linked with the maintenance of hygiene and healthiness. The tests stipulated by ABNT NBR 15575-4 simulate the incidence of rain, wind and humidity with the use of a sealing chamber coupled to the sealing system. Subsequently, impacts such as the appearance of moisture spots, water penetration or any pathological manifestations in the laying or coating are measured. The tests were carried out following the procedures prescribed by the standards ABNT NBR 15575-4:2013, Annex C. For this purpose the water sprinkling system of the chamber is activated, and a flow of (3.0+/-0.3)dm³/min/m², kept constant during the test, lasting 7 hours. The static pressure to be used in the test is chosen as a result of the region of Brazil, region V, with a pressure of 50 Pa.

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