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Match replacement tiles to the originals for color,
size, thickness, and type of tile.
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Install new tiles with same weather exposure as the
originals.
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Do not walk on tile roofs.
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Wood Shingle Roofs. When repairing a wood shingle roof,
use long life materials. Use modern fire-rated wood
shingles when they are available.
(See Figures 4-16 and
4-17.)
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Replace damaged shingles with new wood shingles of
same width, shape, and exposure to weather.
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Sheet Metal Roofs. If kept painted, galvanized sheet
metal roofs last indefinitely. They may be standing-seam,
flat-seam, or batten-seam.
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When replacing, keep the same shape and configuration
as the original (i.e., standing-seam, flat-seam,
batten-seam) .
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Do not walk on sheet-metal roofs.
Lead and Lead-Coated Copper Roofs.
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Do not repair by soldering or using bituminous (tar)
patches.
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Consult an experienced roofer if anything more than
minor repair is needed.
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Tin or Terne Roofs.
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Use lead-coated fasteners or copper nails.
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Keep painted. Prime the underside and exterior of the
metal with linseed oil and iron oxide primer paint;
the exterior with an oil-based coat.
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Fill cracks with a non-shrinking caulk as a temporary
measure only; Plan to replace.
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Galvanized Roofs.
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Repair sheet metal with similar material. Seal leaks
with non-shrinking caulk, not with tar products.
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Paint metal roofs if they were historically painted or
if base metal is showing through. Use historically
appropriate colors.
4-32
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