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360 pounds can be obtained. Please contact Carlisle's at those locations where Fastening Plates are located Systems Design and Review Group sheet sizing and (along length of the membrane) and a minimum of Z" at fastener spacing. end roll sections (width of the membrane). 6. Cementitious W ood Fiber and Gypsum - The Cazlisle 4 Hot air weld the membrane sheets a minimum of 1-1 /2" HP-N'TB Fastener is required with a minimum pullout with an Automatic Hot Air Welding Machine. of 300 pounds. 5. Membrane that has been exposed to the elements for 3.03 SUBSTRATE PREPARATION approximately 7 days must be prepared with Weathered Membrane Cleaner. Wipe the surface where Weathered A. On retrofit-recover projects, cut and remove wet insulaYion, Membrane Cleaner has been applied with a clean, dry as identified by specifier, and fill all voids with new HP Splice Wipe or other white rag to remove cleaner insulation so it is relatively flush with existing surface. residue prior to hot air welding. B. For all projects, substrate must be even without noticeable C. Additional Membrane Securemeot high spots or depressions, and must be free of accumulated water, ice or snow. The membrane must be secwed at the perimeter of each roof level, roof section, expansion joint, curb, skylight, interior C. Clear the substrate of debris and foreign materiaL Fresh wall, penthouse, etc., at any angle change which exceeds 2" bitumen based roof cement must be removed or concealed. in one horizontai foot and at all other penetrations in accordance with Carlisle's Details published with Carlisle's 3.04 INSTALLATION Specifications. Refer to the applicable Material Safety Data Sheets and Technical D. Membrane FiAShing Data Bulletins for applicable cautions and warnings. l. Fiash all walls and curbs with Sure-Weld reinforced A. Insulallon Attac6ment membrane. Non-Reinforced membrane shall be limited to inside and outside comers, field fabricated pipe seals, l Carlisle Insulation sha(1 be mechanically fastened to ihe scuppers and Sealant Pockets where the use of pre- roof deck as follows: molded accessories are not practica(. Terminate the flashing in accordance with an appropriate Carlisle SW- a. For HP Recovery Board or minimum 1-I/2" thick 9 Termination Detail. Polyisocyanurate, a minimum of 5 fasteners and plates per 4' x 8' boazd are required. 2. On vertical surfaces, such as walls, curbs and pipes, Bonding Adhesive is not required when the flashing b. For Polyisocyanurate less than 1-1/2" thick or height is 12" or less and the membrane is terminated Foamulaz or DOW Eactruded Polystyrene, any under a metal counterflashing (nailed). When a coping thickness, a minimum of 6 fastenets and plates per or termination baz is used for vertical terminations, 4' x 8' board are required. Bonding Adhesive may be eliminated for flashing heights 18" or less. Note: Extruded polystyrene insulation is for use directly under white Sure-Weld E. Other Related Work membrane only 1. Walkways are required for all traffic concentration c. Insulation boards 4' x 4', regardless of thiclmess, points (i.e., roof hatches, access doors, rooftop ladders, must be fastened at the minimutn rate of 1 fastener etc.), regardless oftraflic frequency. Walkways are also and plate every 4 square feet. required if regular maintenance (once a month or more) is necessary to service rooftop equipment. Walkways 2. Carlisle Piranha Plates, Seam Fastening Plates (2" are considered a maintenance item and are excluded diameter) or InsWation Fastening Plates (3" diameter) from the Cazlisle Warranty must be used with appropriafe Carlisle Fastener for insulation attachment. 2. Sure-Weld Heat Weldable Walkway Rolls are required when walkway pads are specified and are heat welded to B. Membrane Placement, Attachment and Hot Air Welding the Sure-Weld Membrane. 1 A minimum of one perimeter sheet shall be installed at When concrete pavers are used, they shall be loose laid edges of each roof level and 12', 10' or 8' wide and installed in conjunction with a slip sheet of membrane shall be installed in the field of the roof. reinforced membrane or two layers of HP Protective Mat. Concrete pavers are not recommended when the 2. Membrane sheets shall be mechanically fastened with roof slope is greater than 2" per i horizontal foot. the appropriate Carlisle FastenedFastening Plate spaced 6" to 12" on center, depending on project criteria, within Carlisle Interlocking PaversTM, 24" X 24" X 2", the membrane splice. Refer to the "Design Criteria" weighing approximately 6 pounds per square foot may section for required number of perimeter membrane be loose laid directly over the membrane. Installation sheets and fastener spacing. instniction sheets are available from Carlisle. 3. Overlap adjacent membrane sheets approximately 5-1/2" 3 600319 SWMF Guide - 2/2006