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AAC - the product of tomorrow...the responsibility of today! 

WhiteBridge Construction is building green with innovative building material


What is Autoclaved Aerated Concrete Block or AAC?  It is a Green Building Product


David Wilcox has been building homes in WhiteBridge and the Greater Wilmington, North Carolina area using Autoclaved Aerated Concrete Blocks or AAC. 

He believes he has found what just might be the answer to mold, mildew and even high-wind problems.  He built his personal home with this cement product called AAC.  AAC was first developed in Sweden and some people may recognize it by its German name, Hebel Block.  It’s been used for the past 70+ years in Europe, Asia, Japan and Australia.  David said, "Anything you can do to a piece of wood, you can do to AAC block." 

AAC Block is...                                                                                                     

Autoclaved Aerated Concrete Wall Surface Temperatures
Autoclaved Aerated Concrete Wall Surface Temperatures

  • Lightweight  Weighing approximately 1/5th as much as concrete.  This attribute makes the design and construction of AAC buildings easier and less strenuous. The lighter weight doesn't compromise strength as AAC has a compressive strength of 435 psi.  

  • Energy Efficient  The closed air cell construction of AAC provides superior insulation equivalent to R-values between 20-24.  It is possible to save up to 40% on energy costs. The breathable qualities of AAC allow energy to move through the blocks very slowly, thus ensuring that the interior temperature remains consistent.Fire Resistant   AAC is non-combustible and transfers heat slowly.  AAC has a UL fire rating of 4 hours for a 4" non-load bearing wall.  AAC built structures provide homeowners with added piece of mind in fire prone landscapes.

  • Versatile   Because it can be shaped by ordinary power tools with ease, AAC Block lends itself to aesthetically pleasing designs like curves, arches and domes.

  • Easy to Install   AAC Block can be drilled, cut, cored, shased and shaped on-site.  Plumbing and Electrical lines can be routered directly into the block.

  • Cost Advantages   The installed cost of AAC Block is competitive with other building materials.  Faster construction time, no need for fiberglass insulation, no sheetrock required, color picments can be added to stucco and plaster, energy use is reduced by up to 40%, low long-term maintenance.

  • Sound Absorbing   In addition to providing thermal insulation, dead air cells within the block reduce the passage of sound.  this makes AAC Block ideal for projects next to airports, highways, apartments, resorts or high-density neighborhoods.

  • Wear Resistant   AAC Block is impervious to pests and will not break down or decompose. It is also completely inert and inhibits mold growth.

For more information on building your home in AAC contact David Wilcox, General Contractor

building quality homes since the 1970s


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