EXAMINE THIS REPORT ON RETROFIT DOUBLE GLAZING IN LONDON SW1X

Beneath the mass-air-mass resonance frequency (about 250 Hz In this instance) the TL of triple glazing is about 3 dB bigger, consistent with the mass regulation prediction for rising the window’s mass by 50%. At larger frequencies, the TL curves are Nearly identical. The STC rankings for the two windows are the same.This issue is for tests if you

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