Advance AT293 Premier Closure Plate Tape. A polythene coated pressure sensitive tape specially developed for sealing gas fire closure plates, and conforming to British Gas PRS10- issue 2. Premier Closure Plate Tape Unique Surefire® thermosetting adhesive Very high tack Good high and low temperature resistance 'Writeable' surface allows easy identification of service engineer and date Excellent conformability to awkward shapes Good abrasion resistance Non-corrosive adhesive Water resistant finish PRS10 approved