Sheet Weathering Step flashings Feature tops Ornamental roof

Sheet Weathering Step flashings Feature tops Ornamental roof tops Roof canopies and bay tops Flat roofs Side cladding Parapet gutters From Plumbing (3 rd edition), R. D. Treloar, page 353 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com Lead sheet

Sheet Weathering Bossed corner Picture shows the excess lead that has been worked up as the corner was moulded and bossed From Plumbing (3 rd edition), R. D. Treloar, page 354 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com

Sheet Weathering surplus lead cut off ‘setting in the corner’ blows directed into the base of the corner crease line lead dummy to give support pull up sides to the required angle surplus lead trimmed off finished detail stiffening crease bossing stick bossing mallet Internal corner boss lead in and up bossing mallet to give support lead bossed round corner drip plate bend lead to the required angle surplus lead cut off finished detail From Plumbing (3 rd edition), R. D. Treloar, page 355 lead bossed into new corner Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com Lead bossing External corner

Sheet Weathering lead wedge 20– 25 mm 00 – 5 0 30 mm cover flashing clip hooked over top of batten; alternatively the clip can be screwed to the wall face 3 layer roof felt continuous fixing clip at drip edge welded cover patch plumbers black solder tack welded to back of sheet dot mould lead secret tack alternative fixing clip to above welded dot lead dot soldered dot From Plumbing (3 rd edition), R. D. Treloar, page 357 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com Sheet fixing

Sheet Weathering Example maximum bay size for code 6 lead, as illustrated would be: 2. 25 x 0. 675 = 1. 5 m 2 2. 25 m 50 mm 25 mm 0. 6 m 150 mm code 6 1/3 length of bay 2. 0 m Bay detail of flat roof 0. 675 m lead weathering junction timber support fixing bracket plywood backing panel galvanised or stainless steel bar 1/3 max lead weld Preformed cladding at corners From Plumbing (3 rd edition), R. D. Treloar, page 359 Lead roof coverings and wall cladding Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com

Sheet Weathering 45 mm drip 40 mm 45 mm 25 mm standard size drip wood cored roll 55– 60 mm splash lap roll incorporating additional clip thus omitting the splash lap overcloak 25 mm 75 mm 50 mm hollow roll lead drip up to 3° undercloak used on pitched roofs 75 mm vertical cover nail heads sealed with lead welded dots lap 35 mm 25 mm standing seam welt 75 mm fixing clip From Plumbing (3 rd edition), R. D. Treloar, page 361 Expansion joints for lead roofs Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com lead drip 3– 10°

Sheet Weathering lead wedge 100– 150 mm soaker fixing clip 75 mm 25 mm 100 mm 450 mm cover flashing 25 mm 1. 5 m 75 mm min 150 mm min 75 mm 1. 5 m max 150 mm apron flashing 25 mm continuous step flashing and soakers offcut setting out of steps to stepped flashing water line From Plumbing (3 rd edition), R. D. Treloar, page 363 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com 85 mm 65 mm 150– 200 mm Abutment flashings in lead step and cover flashing

Sheet Weathering Chimney flashings From Plumbing (3 rd edition), R. D. Treloar, page 364 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com

Sheet Weathering saddle piece (for use where the chimney passes through the ridge) cover flashing back gutter tilting fillet gutter sole soakers lead welds Lead welded back gutter cut lines step flashing front apron gusset 150 mm width of stack Lead welded front apron roof pitch From Plumbing (3 rd edition), R. D. Treloar, page 365 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com fold lines 150 mm 45° width of stack 25 mm (turn in at brick joint) 150 mm gussets 200– 250 mm 100– 150 mm 150– 200 mm Chimney flashings in lead 150 mm sole 100 mm upstand

Sheet Weathering flat butt weld vent pipe weathering collar solvent welded to pipe roof pitch 150 mm flange slate in position 150 mm lead slate 150 mm overflow pipe saddle valley lead sleeve 75 mm Lead welded slate tilting fillet 225 mm 150 mm pitched valley gutter Lead slates and pitched gutters From Plumbing (3 rd edition), R. D. Treloar, page 367 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com 150 mm min eaves

Sheet Weathering code 5 lead 2 m sole of gutter gets progressively wider 2 m 2 m code 8 lead 3 m 3 m pitched roof Drip design gutter sole by using thicker lead, longer bays can be achieved Box gutter 100 mm cover flashing Tapered gutter chute catchpit overflow hopper downpipe From Plumbing (3 rd edition), R. D. Treloar, page 369 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com Gutter linings

Sheet Weathering dormer top welted vertical joint incorporating fixing clip return welt soaker weathering bead side cheek tray and apron flashing Lead covered dormer windows From Plumbing (3 rd edition), R. D. Treloar, page 371 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com Dormer windows

Sheet Weathering 9 mm 16 mm 32 mm 8 mm Single lock welt 14 mm 32 mm 45 -50 mm 22 mm fixing clip Double lock welt overcloak 45 mm Batten roll undercloak 38 mm 32 mm 25 mm Standing seam 50– 65 mm Vertical drip Dog ear corner Aluminium and copper sheet weathering From Plumbing (3 rd edition), R. D. Treloar, page 373 Copyright Blackwell Publishing Ltd, all rights reserved: www. blackwellpublishing. com