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CEILING SPOTS
CAUSES
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Spots are caused by leaks in the roof |
RECOMMENDATIONS
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Check attic for leaks in deck |
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Check chimney and vents for cracks in flashing |
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Check rafters for leaks that "travel" away from original source |
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Check eaves for water backing up from ice dams |
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Check roof for damaged shingles |
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DAMAGED FLASHING
CAUSES
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Improper installation on a new roof |
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Damaged or missing caulking |
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Drying and cracking on an old roof
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RECOMMENDATIONS
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In most cases it is only necessary to remove
and replace the flashing and shakes around
the damaged area |
Return to Do I Need A New Roof?
MISSING SHAKES
CAUSES
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Improper fastening |
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Wind damage |
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Deterioration of shakes
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RECOMMENDATIONS
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In most cases the missing shakes can be replaced individually,
be sure to check exposed interlayment for damage before
replacing the shake |
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CURLING
CAUSES
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Water absorption (in wood or fiber-reinforced shake) |
RECOMMENDATIONS
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Replace shake, be sure to check exposed interlayment for damage before replacing the
shake |
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Adding proper roof ventilation at time of installation, to prevent curling |
Return to Do I Need A New Roof?
SPLITTING
CAUSES
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Can be the result of natural aging |
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Condition is aggravated by water infiltration in wood, cement tile or fiber- reinforced
cement (FRC) shakes |
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Can result from stress on the shake, like walking on it |
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Excessive foot traffic on roof |
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Problem is compounded in damp climates and areas with
repeated freezing and thawing |
RECOMMENDATIONS
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Cut out and replace damaged shakes be sure to check exposed
interlayment for damage before replacing the shake |
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Caulk smaller cracks |
Return to Do I Need A New Roof?
MOSS/ALGAE GROWTH
CAUSES
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Air-borne algae deposits and grows on roof which can affect long-term performance
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Wood shakes are particularly susceptible to moss/algae growth |
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Occurs most often in damp and/or humid climates or in
shaded areas of the roof |
RECOMMENDATIONS
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Replace with algae resistant shake |
Return to Do I Need A New Roof?
TERMITE DAMAGE
CAUSES
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Shake materials that provide sustenance for termites - particularly wood |
RECOMMENDATIONS
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Exterminate by tenting and fumigating home |
Return to Do I Need A New Roof?
ROTTING
CAUSES
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Moisture absorption in certain shake materials, especially wood |
RECOMMENDATIONS
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Cut out and replace rotted shakes, be sure to check exposed
interlayment for damage before replacing the shake |
Return to Do I Need A New Roof?
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