wf3 wooden floor underlay

wf3 wooden floor underlay, thickness: 3 mm. Flame-retardant wooden floor foam underlay, compliant with British fire safety standards BS4790 & BS5287. Test results: Passed (low radius impact).  with a density of 200 kg/m². It is suitable for use with solid wood and composite flooring. The sound-absorbing effect is 21 decibels. The wf3 wooden floor underlay ensures that your wooden floor does not generate noise that affects rooms below when people walk on it. Please use the  wooden floor foam underlay for laying wooden and composite floors.