Choose tested windows
- because it is important to know what you are getting
On February 1st 2010 new rules for window marking will be introduced. This will mean that all manufacturers must mark their windows with the well-established CE mark. CE marking gives manufacturers the opportunity to document the quality of their windows and the resistance to extreme weather conditions. These tests are voluntary, but for Rationel the decision to test was easy – because it is important to know what you are getting.
Rationel has very high quality demands and that is why Rationel is one of the first manufacturers to be fully accredited with the CE mark on all our windows and doors. With the new rules, there is now an external evaluation that will make it easier for our customers to compare Rationel with other window manufacturers.
How to benefit from the CE mark?
With the new rules for testing in place, you will get an idea of the impacts and extreme conditions that our windows can resist. This way you can be confident that Rationel windows can resist extreme weather conditions.
See the test results here.
TESTED FOR AIR, SOUND, WATER AND WIND
At Rationel we make high demands on the quality of our windows and doors. Our products must not only meet the demands of the window industry but also achieve results at the high end of the scale. The products have passed the tests with the following classes: Air 4, water 9A (except tilt and turn doors that are classified as 8A) and wind C4.
Tests from real life
The tests are realistic and evaluate windows and doors in critical areas that most people can relate to.
Testing the air-tightness
This test simulates extreme conditions up to 69 mph (31 m/s)(600 Pa), which is equivalent to a voilent storm force 11.
Air passing the area of the unit
Class | Max pressure when testing | Air passing at 100 Pa m3/m2 area per hour | 0 | Not tested | Not tested | 1 | 150 | 50 | 2 | 300 | 27 | 3 | 600 | 9 | 4 | 600 | 3 |
Italics = Guidelines from VinduesIndustrien Bold = Rationel test result
Air passing between sash and frame
Class | Max pressure when testing | Air passing at 100 Pa m3/m2 area per hour | 0 | Not tested | Not tested | 1 | 150 | 12.50 | 2 | 300 | 6.75 | 3 | 600 | 2.25 | 4 | 600 | 0.75 | <
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Italics = Gui delines from VinduesIndustrien Bold = Ratione l test results
Testing the sound reduction
Windows are tested in a special sound lab, where they are exposed to sound waves. The output is a curve showing the sound reduction as a function of the frequency. The sound reduction of the window is given as Rw(C;Ctr).
Rw is the average sound reduction of the window and is given as dB. Because this test do not take especially high/low and monotonous sounds into consideration 2 additional values are given – C and Ctr. C is used in situations where there is music with high tones or where there is traffic noises like horns and other sudden high sounds. Ctr is sounds like speak, uniform music and monotonous noise from trains and traffic. These 2 numbers must be subtracted from the Rw value to find the sound reduction that matches the given situation.
Testing the water-tightness
The windows and doors are tested for their ability to resist water penetration. During the test a storm with 62 mph (28 m/s) storm force 10 winds (450 Pa) and rain is simulated. The units are evaluated and the class is determined as to whether or not water penetrades the window construction at the mentioned wind pressure.
Class (method A) | Pressure Pa | 0 | - | 1A | 0 | 2A | 50 | 3A | 100 | 4A | 150 | 5A | 200 | 6A | 250 | 7A | 300 | 8A | 450 | 9A | 600 |
Italics = Guidelines from VinduesIndustrien Bold = Rationel test result
Testing the resistance to wind load
The test is not about water penetration, but about the robustness of the window itself. With blasts of wind up to 116 mph (52 m/s), the test simulates conditions so extreme that the Beaufort scale does not have a word for it (1600 Pa). The windows are evaluated from two criteria: deflection - how much the window flexes and partly for permanent deformations.
Class | Max deflection | | Class | Wind force Pa | A | <1/150 | | 0 | - | B | <1/200 | | 1 | 400 | C | <1/300 | | 2 | 800 | | | | 3 | 1200 | | | | 4 | 1600 | | | | 5 | 2000 |
Italics = Guidelines from VinduesIndustrien Bold = Rationel test result
Rationel has achieved excellent test results compared to the guidelines laid down by VinduesIndustrien and remember that Rationel also meets requirements for the existing building regulation standards.
Please note that a small range of special units cannot be tested and these units are classified by CE as no performance determined (npd). All the other test results can be seen here.
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