dB Blank/Door manufacturer Door thickness Doorset type Head & jamb seals Meeting stile seals Threshold seals Threshold plates Glazing seals Glass type ID
32 Halspan, Prima 54 Double LP1504, LAS1212K, LAS7001 si 2 X LP1504DS LAS8001 si System-36/15 PLUS 15mm Pyrostop® 22