WHAT DOES JUAL BESI GRATING MEAN?

Fiberglass: Susceptible to absorbing moisture, fiberglass could become a breeding floor for mold and mildew, bringing about minimized efficiency and costly replacements.At the time fiberglass insulation will get moist (and it'll get damp, because of condensation) it's going to drop r-benefit! Drinking water trapped amongst fiberglass insulation and