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lohns-fti7anville <br />Specilication No. 252-P fo� use over <br />NAILABLE DEGKS <br />on inc/ines of up to 1/2" per loof � <br />���'�OOnr:?=�?�9!i'Jc"�G'G� �v�.�G�v��"' BUILT-UP ROOfS <br />This specification is tor use over any type of structural deck (without <br />irtsulation) which c�n reccive and adequat�ly ret�in nails or other <br />tyPes ot mechanir�l fasteners as may be recommendcd by the deck <br />manufacturcr. Gxumples ot such decks are wood, plywood, poured and <br />pre-c�st gypswn, structural we�i librr, and some lightweighl a�grr- <br />gale m�icrcle decks no liqhler th:�n 1:4 mix. <br />1'his specificnlion may be used o�•er wual fibrr board iasul�:i•�n �( 1�/" <br />minimum thickncss usingsuitable f:isteners. <br />Prepara(ion oJ Deck — ror intormation on the Preparation of De:k <br />and Rcwf Drainagc, scc section nn ROOP DECI(S, S�xcifiu�tion <br />1�4anual for Johrts-Manviiie i3uilbUp Ra>fs. <br />w.��k� ocu�� <br />SNGTnING /�e[I1 <br />�I! 11[QU�11[0� � <br />ti �e' —� —�e'�. � <br />• - • • <br />� _ �e'�. <br />h • .- <br />z - <br />J <br />? � °� ` --°-�� : � <br />- :. " . . „ . <br />��a �o .SPNh�T SATUiII�TCO <br />fELT i <br />ADUADA4 <br />I • • � I a ASECSTOS � <br />nHitnir�c �ctT <br />�G7�/d�.^Bt}!O!7 �'� �00�lP19 <br />Uver woal Ixcvd ar struclur,d wuud fibc�r d��ck� onc ply nf rosin-sizrd <br />shealhing p:���r inusl be usid m•xt �o ihe drek. <br />I�'i�s[: Apply one laycr ot J-M 30 Ib Asph:�lt SaWr�tcd relt start- <br />ing at the low e[]gc either parallcl or �xrpendicular to thc slopc, and <br />I;ippinq a�ch fclt 2" over the prec<s3ing one 1Vai1 ihe laps at G' centers <br />:tnd down lhc longitudinal crnlrr of ai�!� frlt nuil l�vo rou:s of naiLs �cith <br />r� <br />