b'Bits and Pieces About Built-up Roofing Continued from page 12 second ply oflt is appliedifnotcompleterenewal.and contraction and arefromthewall.Wherethe fe govabove,tendingly 6Flashings generally wear outerned by different disinte flashingis in good condiex roughinches all around the bound long before the flat area ofgrating forces. All breaks intion, plastic may be forced the patch.and aries ofOpen sidetheroof,mainlybecausethe base flashingmust bebehind the felta 4-inch or end laps canrepairedthey are affectedby addrepaired by at coveringfabric s pon top bei fel tri cemented byforcingplasticcementtional disintegrating forces.applied over the break in theto seal the. edgeundercement These include the movementcase of bituminous flashingsAll felt flashingsshouldbe the laps and 4-inch ing amembrane stripof the roofdeckatsuchand by new metal flashingscoated with a liquid coating as a lap moveme numbover the.intersections, thentwhere metal has been used.preservative. Also, aer of 0Where ais badly worn,of the materials inwallWhere therearenocapapplicato use modified bitumen roofthers theflashingsofparapetandthemovem t oftheflashings,it will befor repairing or replacing flashen found walls and other projectionsflashing materials.l havethat the upper edge of theings inroof assem ies. Al built-upblwillrequire repairingdifferent rates offlashinghaspulledawayThis use of modified bitumen usuallyexpansionhas ACfMETAi:. DECK SUPPLY \'w\'il3 E. :W11.so111 SWr31oJi"\'II11,QAD Bvssat BAl\'AVIA, ILUNOISi:idS!0lENOIR t nY, l\'ENNESSE&77n 630.879.7757423.675.688f F.u 6~1).879.8131fAx42:M,5.Ji\\M JMfA ~'