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Mar 14, 2010 12:12am

Stop the Bailout for the Great Chinese dryWall

Real Estate, Environment, Design, Uncommon Sense, Humor

We ought to be paying the Chinese for finally building a product that self-destructs so quickly.  Yes, it’s the cellulose fibers (or bacteria laden fillers) that are added to the ‘Dead sea animals with nitrogen removed’, aka Gypsum, aka Calcium Sulfate, aka Drywall (‘cause ya better keep it dry or it’ll kill you).  The fibers make better pathways for the vapor-turned-microdroplets-of-condensed-water to dissolve the Gypsum, separating into Sulfuric acidic salts in solution to corrode and then neutralized to grow bacteria, esp. aneorobic that doesn’t need any oxygen but that supplied by the SO4 or Sulfate.

Careful studies of homes should have been done to design where this stuff can be hidden without causing problems … remember ‘DO NO HARM’ … guess what? It applies to design as well.  Dew points, vapor pressure, heat of condensation, levels and types of insulation, solar incidence and even landscape design are a few of the subjects that need a thorough reference in any standard being used if drywall is used as a building material.

Personally, the National Assn. of Home Builders talked the bumbling Gerald Ford to allow drywall in homes in 1974l.  I wouldn’t buy a home built after 1974.  Another reason not to use it is because there is little structural value to it, even the stuff that is ‘approved’ in the USA.  It’s dissociative constant is over a million times greater than Calcium Carbonate, or mortar, cement, stucco and sea shells … we have a clue that sea shells don’t dissolve in water, even sea water.

Drywall should never be used on outside or walls where a great temperature and or a humidity level difference from one side to the other is present.  This is especially true in coastal southern states where humidity and temperature levels remain high for several months. Compounding  all this is  AC, which takes warm air through a coil and squeezes the moisture out as the heavy moist air passes through the cold fins of the coil.  The moisture accumulates and is usually removed from the system, but this system has many maintenance requirements which are often overlooked, or in many hospitals and commercial structures, which have humid outside air coming in and don’t require air exchangers.  Often the cold outlets have drip; air is too cold and too humid.

Well, I don’t feel like paying for Ford’s and NAHB’s greedy stupidity.  Start educating people, and stop spinning this crap.  And no, you can reuse it …. just reduce it to zero.

This blog is nothing but industry or political blather, offering no solutions.

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