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System Specifications MECHANICALLY ATTACHED TPO Revised March 2015 4. Allow-adhesive to dry until it turns yellow and.does not transfer to a dry finger or pull away from the,substrate. Aqua Base 120 adhesive Will take a longer time to dry. Adhesive must remain tacky. 5. Mate surfaces tbQ'et.h6r avoiding wrinkles. Immediately roll the bonded area of the sheet With 6 2-inch Wide rubber hand roller to promote drsitive . maximum p contact between the membrane and the substrate. Overlape all adjacent flashing sheets a-mi,himi.im of inches. 6. Do not apply adhesive in area to be heaVwelded. 7. Extended drying times can be expected during.cool,overcast, humid,shaded,or late day applications.The adhesive must be dry(Out still tacky)before mating surfaces to avoid permanent blisters due to trapped moisture. 8. TPO Membrane Flaphings shall extend a minimum of 6 inches onto the field sheet and be,adhered securely. ther'e'shall be a' minimum of f.2-inches_ hes between the front of the fastener plates and the edge of the sheet.to allow for heat Welding. All side- laps are to overlap a minimum of 2 inches. 9. All flashings shall be extended a-minimum Of.8 inches above roof membrane level and be terminated uhl6ss pfeviciusly accepted by the owner or his representative and the,Mu.le I-Hiss Technical bepArtment. All I flashings shall be hot air welded at their connections with the roofing membrane. Apply Cut Edge Sealant at all welded edges of cut membrane flashings. Refer to Mule-Hide TPO Standard Details for more information. NOTE: After flashing is adhered in place,*promote full contact adhesion by going back over entire area with a 2-inch rubber hand roller. 10. All flashings shall be hot air welded at their connections with the roofing membrane. All hand welds shall be a minimum of 1-1/2"wide. 11. All flashings shall be properly terminated according to Mule-Hide's published Standard Details. NOTE: When using Mule-Hide AlkPurpose Bar under Couritcirflashingto,terhiinatewall flashing or when coping.js used,TPO Bonding Adhesive, Low VOC Bonding Adhesive; LoW VOC Bonding Ing Adhesive—1168, or Aqua base li6'Bondirig Adhesive may be eliminated when flashing height is 1Z'-18"or less, depending on the type of termination. Refer to Mule-Hide's published Standard TPO Details for additional information. 3.12 Drains,Expansion Joints,Pitch Pans A. Roof Drains 1. Prepare the surface around each drain to prevent any distortion,tenting,or bridging of the membrane. A smooth transition shall be provided from the roof surface to the suriace of the drain bowl/clam-ping ring. 2. All existing roofing materials and metal flashings shall'be removed. 3. Mule-Hide requires the application of one full tube of Water Cut-Off Mastic per drain applied to.the drain: bowl, under the membrane,where the clamping ring will be Seated. This will provide a continuous seal between the membrane and the drain bowl. 4. Do not run field teams through drains or sumps. If sheet layout causes a seam to fall.in line with a drain,a target patch (minimum-36"x 36")shall be required. MULE-HIDE PRODUCTS CO.,INC 05-1111 Page 25