Nail varnish crossword clue

15. PLUMBING AND DRAINAGEFLASHINGS AND LININGSMetalMetal flashings, secret gutters, valley linings and chimney gutters must be of 0,6mm thick commercial grade steel sheet with class Z275 galvanising to comply with SABS 934, or pre-painted to match roof sheets, in lengths of 1800mm, or of other metal and thickness as specified.FlashingsFlashings must be of the following sizes, or as specified:175 x 50mm under tile flashing175 x 50mm over flashing25 x 100mm cover flashing60 x 60mm gable flashing19 or 32mm diameter roll flashingFixingCut, join, lap and form sheet metal flashings, secret gutters and valleys to roof and vertical surfaces to make a watertight finish.Fix flashings to walls with 75mm long flashing nails witha 20mm hook. Fix flashings at ends and at 400mm centres in between. Drive flashing nail into wall above the line of the flashing turn-up, and use the hook of the flashing nail to keep the flashing in position.Lay under tile flashings against parapet orchimney walls on battens and under clay and concrete roof tiles. Under tile flashings must discharge into eaves gutters.Chimney gutters must be turned up 100mm against chimneys and at least 225mm up the roof slope on battens or tilting fillets. Chimneygutters must be lapped onto side flashings or under tile flashings.Fix counter-flashings in formed joints in masonry, keep in place with short rolls of cut-off sheet steel, and fill solid with 1:3 cement: sand mortar.Fix and seal flashings around pipes with suitable clamps. Valley linings must be ridgings turned around, without roll for steep slopes, or with roll for low slopes. Lap valley linings 225mm minimum. Discharge valley linings into eaves gutters.EAVES GUTTERS AND DOWNPIPESSheet metalEaves gutters must be of commercial grade steel sheet with class Z275 galvanising to comply with SABS 934, or other metal as specifiedsuch as 3CR12, with beaded edges, angles, stopped ends and outlet nozzles where necessary, and to the following shapes, sizes and thicknesses, asspecified:Gutter shapeGutter size,mmSheet thickness,mmSize of bracket,mmHalf round1500,632 x 3,5Square125 x 1250,632 x 3,5Square175 x 1750,840 x 5Square225 x 2251,040 x 6
Rectangular150 x 100 deep0,632 x3,5Rectangular200 x 150 deep0,840 x 5Rectangular250 x 200 deep1,040 x 6Sheet steel downpipes must be 0,6mm thick commercial grade steel sheet with class Z275 galvanising to comply with SABS 934, or other metal as specified, seamed along the pipe length. Join pipe lengths, offsets, elbows and shoes with slip joints neatly soldered.Fix sheet steel gutters as follows:Lay eaves gutters in galvanisedmild steel brackets of size as stated in table above (the 5 and 6mm thick brackets must be hot-dip galvanised after manufacture), screwed twice to roof timber at 1000mm maximum centres. Bolt the bracket to the gutter close to the underside of the gutterbead with a 6mm diameter galvanised gutter bolt.Lay gutters in long lengths. Lap gutter lengths at least 20mm and seal with approved sealant.Over-fill lap before sealing. Lay gutters to a fall of 1:500.Strengthen gutter angles with 50mm wide strips of 0,6mm galvanised sheet steel soldered over the internal mitres inside the gutter.Fix downpipes as follows:Fix sheet steel downpipes to walls, 25mm away from the finished wall surface, and with the seam at the back, with 25 x 1,6mm galvanised mild steel clamps, bolted around pipe in two halves, and with 6mm diameter galvanised steel lug with toothed end riveted to clamp and built into wall. Fix downpipes at least twice to walls and at 2m maximum centres.In the case of downpipes to be connected tostorm waterdrains, fit the end of each down-pipe with a 0,6mm thick galvanised flange of diameter to fit into the socket of the drainpipe. Caulk the socket with cement-sand mortar.Rolled continuous aluminium GuttersAluminiumgutters and downpipes must comply with SABS 11, of size as specified. Fix gutters and downpipes with brackets and holder-bats according to the manufacturer's recommendationsuPVCuPVC gutters and downpipes must comply with SABS 11, of size as specified. Fix gutters and downpipes with brackets and holder-bats according to the manufacturer's recommendations.Fibre-cementFibre-cement gutters and downpipes must have a wall thickness of 6mm, with spigot and socket end joints. Downpipes larger than 75mm diameter, and all square downpipes must have a wall thickness of 8mm. Sizes and profiles must be asspecified.Provide downpipes with the necessary swan-necks, branch pieces, plinth bends, radius bends and shoes.Fix fibre-cement gutters and downpipes strictly according to the manufacturer's instructions and as follows:Lay spigot ends onto socket ends in the direction of flow wherever possibleDrill bolt holes through socket and spigot endsClean joining surfaces of spigots and sockets, cover with suitable jointing compound and assemble