METAMORPHOSIS: Building the Dome of a Home

METAMORPHOSIS: Building the Dome of a Home METAMORPHOSIS: Building the Dome of a Home

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DENSGLASS GOLD® EXTERIOR GUARD DensGlass Gold Exterior Guard, combines glass mats embedded into a treated gypsum core and a gold colored bond-enhancing primer coating for superior performance and moisture resistance. DensGlass Gold Exterior Guard has set an industry standard in sheathing - a panel so weatherresistant that extended exposure to the elements won't affect its performance. They guarantee it. With its patented inorganic glass mat design DensGlass Gold Exterior Guard is the most mold and mildew resistant exterior sheathing product on the market. DensGlass Gold Exterior Guard is lightweight and easy to handle. It's also resistant to jobsite damage. It provides outstanding fire protection. It resists warping, rippling, buckling and sagging. DENSSHIELD® TILE GUARD Based on the same proven Dens Technology as other DensGuard products, DensShield Tile Guard promises to provide superior moisture, mold and mildew resistance on your next tile project. DensShield carries a patented design that includes a gray, heat-cured acrylic coating, which protects both the tile installation and the wall cavity from moisture. Georgia-Pacific recognized the need for a lightweight tile backer that protects the tile installation, keeps water out of the wall cavity and requires minimal work to install. The product weighs from 17 to 32 lbs. less than comparably sized cement board. With no paper to delaminate when exposed to water, DensShield offers the ease of installation of regular wallboard with performance unmatched by any tile backer. DensShield helps prevent moisture migration, which can cause mold and mildew growth and stud or fastener corrosion. No other tile substrate offers such absolute moisture protection. Independent test confirm that DensShield tile backer with its inorganic glass mat design achieved a 10 (the highest rating) in resistance to mold and mildew when tested in accordance with ASTM D 3273. Without a doubt, these are a "must have" series of products in a high humidity environment. The hurricanes did cause some water to enter the dome through the windows. Usually, this creates a serious problem with the mold and mildew rapidly devouring the sheetrock and insulation. Not with Georgia Pacific's Dens Products. We had absolutely no mold or mildew growth on our sheetrock, even though it was dampened from the storms. Using metal studs, foam insulation, GP's Dens Products, and cork flooring virtually eliminated the increased damage mold and mildew would have normally caused. POLYURETHANE FOAM We have devoted a tremendous amount of energy to avoid some of the pitfalls we experienced with our conventional home. Because of its hydroscopic nature, fiberglass insulation definitely needed to be eliminated from the home. The moisture fiberglass insulation absorbs diminishes the R-value and provides a laboratory for mold and mildew to flourish. When we bulldozed our previous home to build the Dome, I was nauseated by the mold covering our fiberglass insulation. Then, I knew why we were suffering sinus complications. Polyurethane foam was an integral part of the plan to build a home that could withstand our coastal environment. It is the layer of the shell structure located between the balloon and the concrete. The exterior walls‟ 6” metal studs were foamed with 4” of 3# foam. We also chose to use the foam for insulation between the walls of the home for its energy conservation; structural strength; sound deadening; and water resistant qualities. The interior walls‟ 3.5” metal studs were foamed with 1” of 2# foam. We also sprayed foam on the garage's ceiling, covering the exposed 69

floor pan and structural beams. No more rust! Another added bonus is the increased heating/cooling efficiency. The foam performed beautifully in Hurricane Ivan, 2004. Ordinarily, the leaks around the windows and doors would have created huge issues with mold and mildew. With the foam insulation, Georgia Pacific's mildew resistant DENS Technology sheetrock, and metal studs, we eliminated a huge coastal concern: hidden mold and mildew in the walls. Please see our chapter devoted to Polyurethane Foam for more detailed information. CORK FLOORING Cork definitely wins my vote for the best flooring ever conceived. It adds a coziness and warmth to the home that we truly love. Mark and I made a concerted effort to select products to use in the Dome of a Home that were environmentally responsible. Initially, we chose cork flooring because the trees are not killed in the process of harvesting the cork. Remarkably, cork trees can live to be 500 years old and can have the cork removed every nine to twelve years. Another key quality of cork is that it is naturally anit-fungal, anit-microbial, and anti-bacterial. Cork definitely interested us because of many features it offers: renewable source, anti-fungal, reduces echoing and noise, and it was soft. But, during Hurricane Ivan, cork‟s invaluable advantages were obviously evident. During Hurricane Ivan, we had some water leak into the house. Although the cork flooring became extremely wet, it never grew mold or mildewed. Wet carpet must be removed immediately to avoid further damage with mold growth on the subflooring and the walls. We let the cork dry out in place and it never began to smell or became compromised with mold, mildew, or other fungi. It was distorted and did need replacing, but the key here is that I didn't have to rush to remove my flooring after the storm. I could wait until I was ready to deal with the floor. This allowed us to focus our attention on other concerns that needed to be handled immediately – a luxury in the state of disarray we existed in after Ivan. PITTSBURGH CORNING GLASS BLOCK http://www.pittsburghcorning.com 800.624.2120 Mark always intended for a glass block wall to grace the master suite's decks. Because of time constraints, an aluminum railing coated in rhino liner was used instead. The coating did not adhere well causing Mark to constantly lament that he hadn't built the glass block wall in the first place. One thing about living in hurricane hell, there seems to be a constant opportunity to replace and redo. Mark seized our inability to have rental clients after Hurricane Ivan as an opportunity to create the beautiful glass block wall he had been envisioning in his mind's eye for years. Ever increasing the artistic quality of the Dome of a Home, his vision was absolutely right on the mark. With every addition, the home transforms, almost taking on the qualities of a sculpted piece of art. The glass block is beautiful as it reflects the movement in the fountain's glimmering water. I was stunned at the metamorphosis. Practically speaking, the glass block wall allows occupants of the Dome to enjoy the deck more than before. It allows for more privacy and blocks the wind for increased comfort. Several people a day stop to look at the house and to take pictures, which is great for visibility. But, this also impedes on sun bathing privacy with only a rail along the deck. 70

DENSGLASS GOLD® EXTERIOR GUARD<br />

DensGlass Gold Exterior Guard, combines glass mats embedded into a treated gypsum core and<br />

a gold colored bond-enhancing primer coating for superior performance and moisture resistance.<br />

DensGlass Gold Exterior Guard has set an industry standard in sheathing - a panel so wea<strong>the</strong>rresistant<br />

that extended exposure to <strong>the</strong> elements won't affect its performance. They guarantee it.<br />

With its patented inorganic glass mat design DensGlass Gold Exterior Guard is <strong>the</strong> most mold<br />

and mildew resistant exterior sheathing product on <strong>the</strong> market.<br />

DensGlass Gold Exterior Guard is lightweight and easy to handle. It's also resistant to jobsite<br />

damage. It provides outstanding fire protection. It resists warping, rippling, buckling and sagging.<br />

DENSSHIELD® TILE GUARD<br />

Based on <strong>the</strong> same proven Dens Technology as o<strong>the</strong>r DensGuard products, DensShield Tile<br />

Guard promises to provide superior moisture, mold and mildew resistance on your next tile<br />

project. DensShield carries a patented design that includes a gray, heat-cured acrylic coating,<br />

which protects both <strong>the</strong> tile installation and <strong>the</strong> wall cavity from moisture.<br />

Georgia-Pacific recognized <strong>the</strong> need for a lightweight tile backer that protects <strong>the</strong> tile installation,<br />

keeps water out <strong>of</strong> <strong>the</strong> wall cavity and requires minimal work to install. The product weighs from<br />

17 to 32 lbs. less than comparably sized cement board. With no paper to delaminate when<br />

exposed to water, DensShield <strong>of</strong>fers <strong>the</strong> ease <strong>of</strong> installation <strong>of</strong> regular wallboard with<br />

performance unmatched by any tile backer.<br />

DensShield helps prevent moisture migration, which can cause mold and mildew growth and stud<br />

or fastener corrosion. No o<strong>the</strong>r tile substrate <strong>of</strong>fers such absolute moisture protection.<br />

Independent test confirm that DensShield tile backer with its inorganic glass mat design achieved<br />

a 10 (<strong>the</strong> highest rating) in resistance to mold and mildew when tested in accordance with ASTM<br />

D 3273.<br />

Without a doubt, <strong>the</strong>se are a "must have" series <strong>of</strong> products in a high humidity environment. The<br />

hurricanes did cause some water to enter <strong>the</strong> dome through <strong>the</strong> windows. Usually, this creates a<br />

serious problem with <strong>the</strong> mold and mildew rapidly devouring <strong>the</strong> sheetrock and insulation. Not<br />

with Georgia Pacific's Dens Products. We had absolutely no mold or mildew growth on our<br />

sheetrock, even though it was dampened from <strong>the</strong> storms. Using metal studs, foam insulation,<br />

GP's Dens Products, and cork flooring virtually eliminated <strong>the</strong> increased damage mold and<br />

mildew would have normally caused.<br />

POLYURETHANE FOAM<br />

We have devoted a tremendous amount <strong>of</strong> energy to avoid some <strong>of</strong> <strong>the</strong> pitfalls we experienced<br />

with our conventional home. Because <strong>of</strong> its hydroscopic nature, fiberglass insulation definitely<br />

needed to be eliminated from <strong>the</strong> home. The moisture fiberglass insulation absorbs diminishes<br />

<strong>the</strong> R-value and provides a laboratory for mold and mildew to flourish. When we bulldozed our<br />

previous home to build <strong>the</strong> <strong>Dome</strong>, I was nauseated by <strong>the</strong> mold covering our fiberglass insulation.<br />

Then, I knew why we were suffering sinus complications.<br />

Polyurethane foam was an integral part <strong>of</strong> <strong>the</strong> plan to build a home that could withstand our<br />

coastal environment. It is <strong>the</strong> layer <strong>of</strong> <strong>the</strong> shell structure located between <strong>the</strong> balloon and <strong>the</strong><br />

concrete. The exterior walls‟ 6” metal studs were foamed with 4” <strong>of</strong> 3# foam. We also chose to<br />

use <strong>the</strong> foam for insulation between <strong>the</strong> walls <strong>of</strong> <strong>the</strong> home for its energy conservation; structural<br />

strength; sound deadening; and water resistant qualities. The interior walls‟ 3.5” metal studs were<br />

foamed with 1” <strong>of</strong> 2# foam. We also sprayed foam on <strong>the</strong> garage's ceiling, covering <strong>the</strong> exposed<br />

69

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