No one promises a roof system will last forever. So a roofing
crew from KY-KO Roofing Systems, Phoenix, was not surprised when it
was asked to perform roof system repairs on an existing tile roof
system at The Palisades, an apartment complex in Phoenix. But the
crew was surprised to discover the roof system had been on the
building for just 10 years and simple repairs would not be
"After inspection, we informed The Palisades personnel that
because of material failures and faulty tile installation
practices, we would need to completely rebuild the roof system by
removing tile, installing a new underlayment and reinstalling the
existing tile," says Joe Nelson, tile division manager for KY-KO
Roofing Systems. "We also would need to bring in matching tile to
replace broken tile and compensate for additional tile to allow for
a proper 3-inch (76-mm) headlap."
At first, The Palisades management wanted spot repair for the
leaks on many of the roof systems. However, once KY-KO Roofing
Systems showed the extent of the problems, The Palisades management
realized a complete roof system removal and replacement was the
best course of action. The possibility of doing the work in phases
was discussed, but management decided to complete the entire
project at one time. This led to what would be an overhaul of the
apartment complex's roof system.
"This was an established, fully occupied apartment complex of
536 units," Nelson says. "The roof systems failed only 10 years
after original construction. It is estimated that half the 36
buildings—35 buildings and an office building—had
leaks. This project seemed unique to me because the owners of The
Palisades understood the seriousness of the problems and decided to
bite the bullet and just take...
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