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� <br />-.., <br />�,� " r� CASCADE TESTING LABORATORY, INC. <br />ti G�� \I TFFTING & INSPECTION/ENGINEERS/GEOLOGISTS <br />����� �� <br />��.'� �� �� In120 NE. �bc STAEET <br />L tlELLEVl1E. W45`UNGTON 98009 12081661•3393 <br />October 28, 1981 <br />Cert. No. 8110-45 <br />hir. Dave Brandvold <br />7600 Evergreen Way <br />Everett, WA 98203 <br />Reference: Reroofing of the Brandvold Building <br />7600 Evergreen Way <br />Everett, Washington <br />Dear Mr. Brandvold: <br />9EATTLE 1^091339�6N0 <br />EVERETT 1^OE1239�OBt'l <br />In response to your request we inspected the above noted roof on <br />Tuesday, October 27, 1981. <br />The purpose of this inspection was to coni-irm the types and mate- <br />rials of the built up roofing membrane, note blisters, and determine <br />compliance of the roof materials for Class A or Class e fire resist- <br />ance criteria. <br />Inspection of the roof found ponded water, a plugged rooE drain, and <br />numerous blisters in both the new and old membranes. We also noted <br />that the recently applied membrane does not extend under the sheet <br />metal flashing at the parapet. <br />A rooE samole was cut and repaired by maintenance personnel orovided <br />by htr. Brandvold. <br />The roof sample consists oE three membranc sections which consist of <br />two (2) plies of fiberglass felts, with a cap sheet, over mineral <br />fiber insulation. The next group oF plies consist of a kraft paper <br />vapor barrier, three plies of fiberglass felts, with a glaze coat- <br />ing. This last layer of roofing felts were covered by what we <br />understand to be ATCO 1818 with a polyester sheet embedded in it and <br />covered by ATCO 1818. <br />z <br />0 <br />� <br />c� <br />m <br />.. ., <br />-a -n <br />., � <br />N S <br />m <br />v <br />c o <br />m o <br />� <br />O 3 <br />m <br />_ -�I <br />m <br />o z <br />c <br />n� <br />rx <br />.. .. <br />-� �n <br />� <br />T <br />on <br />3 <br />-t m <br />x <br />m� <br />N <br />O <br />o r <br />c� m <br />c �n <br />3 N <br />m <br />z ;� <br />�rn <br />a <br />� <br />� <br />x <br />n <br />z <br />--I <br />x <br />.. <br />N <br />z <br />0 <br />c� <br />m <br />� <br />