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Metal Roof Basics
Now Centria
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Metals usedcopperzincstainless steelgalvanized steelprefinished steelleadcor ten steelaluminum
Don’t mix metals, twodifferent metals and a littlewater can cause a galvanicreaction which will degradethe less noble metal(pinhole, or disappearance)
Use the same metal fornails, flashing, gutters,downspouts, cleats...
Basic standing seam
Pan
Cleat
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Subcomponents of standingseam
Tin roof, homemadestanding seam
Cleat remnantFrom above
From below
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Kresge Auditorium, M.I.T. campusEero Saarinen 1955
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Kresge Auditorium, M.I.T., Eero Saarinen
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Saarinen uses standing seams, flat lock seams, and batten seams tomanipulated the scale of the texture on the roof
Flat Lock SeamBatten SeamStanding Seam
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Flat Lock SeamBatten SeamStanding Seam
Ingalls Hockey Arena, YaleEero Saarinen 1959
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Milwaukee Art MuseumSantiago Calatrava 2000
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Prefab standing seams
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Preformed pans, snap downseam covers
Snowbirds…hold the snow and ice to prevent “rapid release” (avalanche!)of ice and snow from metal and tile roofs.
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Another snap together standing seam
pan
pan
cleat
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Pan, fold (orsnaps) over cleat
Cleat, fasten todeck orsheathing
Bermuda Roof… Horizontallines
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Isabel Roberts House, River forest
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Isabel Roberts House 1908
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Flashing in tree trunk…reglet?
Newly patched in copper pans