Are They Building Condos Better?

Do New Construction Methods and New Materials make a Better Product?

 Here was the typical multi-family building as constructed 25 years ago: Wood siding, single pane aluminum windows, flat roof, a one or two-ply built-up roof membrane, and galvanized iron water pipes. To make matters worse, the siding often wasn't real wood. Wood substitutes like Masonite, essentially sawdust mixed with glue and pressed in a steam press to resemble wood planks, was used extensively. This was a design formula for disaster. The siding dissolved over time. The flat roof usually didn't stay flat, it deflected causing water to collect because it had nowhere to drain. These “ponds” stayed on the roof until they evaporated. The roofing materials used then could not resist this continued immersion in water and failed prematurely. The plies became separated and the water quickly found its way into the interior of the building. Or, the moisture that the material absorbed heated within the plies and the resulting vapor caused huge blisters to appear on the roof, blisters which eventually cracked and became yet further sources of water leaks. The iron pipe corroded over time, of course, and many buildings had to have all of it removed and replaced with copper.

Many single family houses were built the same way, but since it was up to the owner to deal with all of this, it never gained much attention, because if the owner wanted to maintain the value of her property, she had to repair these problems by re-siding, re-roofing, including adding slope to the roof, and eventually re-piping. But the condominium association saddled with this nightmare had a more difficult problem—it had to find the cash to do the repairs, cash that has always been in short supply. We've written for years about the long-term effect of an association's inability to maintain its buildings—a gradual deterioration of both the physical plant and the value of the individual interests.

But over time, some things have changed...

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