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70 DESIGN TABLE -RE-COVER-MECHANICALLY ATTACHED <br /> Insulation/Substrate <br /> Attachment Insulation/Substrate Membrane Type <br /> Existing Roofing <br /> System Type Gypsum Wood Fiber/ 3/6 oz VersaShield® Fleece <br /> Mech.Fast. Adhesive/LRF ISO Board Perlite' EPS/XPS Fanfold3 (P ) Solo' None Smooth (FB) <br /> olyma <br /> Smooth Yes Yes' Yes Yes Yes Yes Yes Yes Yes Yes <br /> BUR/IB Yes Yes Yes Yes Yes Yes Yes Yes Yes <br /> Single-Ply Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes? Yes <br /> Membrane Yes Yes' Yes Yes -,Yes Yes Yes Yes Yes <br /> Granule-Surfaced Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes <br /> c BU"IB Yes .Yes4 Yes Yes Yes Yes Yes Yes Yes ; <br /> Gravel-Surfaced Yes Yes4 Yes Yes Yes Yes Yes Yes <br /> BUR/MBS Yes Yes4 Yes Yes Yes Yes Yes Yes <br /> Yes Yes4 Yes Yes Yes Yee Yes <br /> Standing Seam Meta16 <br /> Yes .Yes'..., Yes Yes Yes Yesz Yes. <br /> ' Roof moisture scan required for use of perlite/wood fiber in re-cover roofing systems. <br /> z.An approved cover board is required when XPS Is used as flute fill material. <br /> 3.Fanfold to be used as a re-cover board only. <br /> 4.Low rise foam or hot asphalt can be used for cricket and saddle attachment.If specification requires insulation to be adhered in a mechanically attached system,use foam adhesive designed for <br /> insulation attachment,or hot asphalt. <br /> s.All loose gravel must be removed. <br /> 6.When recovering over an existing standing seam metal roof,fasteners must be directly installed into structural purlins with appropriate fastener type.Fastening into the panel in not permitted. <br /> '.Existing single-ply membrane must be clean,smooth,dry and free of debris. <br />