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Corbond Closed Cell

How does CORBOND work?
The purpose of buildings for people is to isolate them comfortably from a hostile exterior climate.  The purpose of insulation is to develop this climate isolation beyond minimum shelter to allow complete modern interior climate control.  To achieve this climate isolation successfully requires full isolation between interior and exterior temperature, air, and moisture.  The two climates must not mix in the insulated building cavity.  The system must also be reversible so the building may be both heated and cooled efficiently.  CORBOND achieves the climate isolation necessary by its very nature as a solid cellular plastic - fully adhered in the tin space of the building cavity.  Exterior and interior climates cannot mix so no compromise of climate isolation can occur due to the exterior climatic conditions, however severe.

Does CORBOND need venting like conventional fibrous insulations?
No.  CORBOND does not need venting and meets the International Residential Code requirements for unvented cathedralized attics.  Venting was designed to carry moisture out of fibrous insulation so it can maintain its thermal efficiency and minimize the damaging effects of condensation on hidden building surfaces.  With CORBOND, no air can enter into or through the product, as is is a solid cellular foam.  Since no air or moisture can get in or around CORBOND, it need not be vented off.

How does CORBOND control moisture movement and condensation?
Most damaging moisture within a building envelope cavity is the result of warm moist inside air being exchanged with the cold dry air inside and insulation cavity.  As the moisture in the warm air contacts a cold surface, it condenses, forming dew and/or frost within the insulation.  Because CORBOND does not allow the movement or exchange of air within the cavity, this moisture movement and condensation does not occur.  CORBOND is ideal for use in climates where buildings are both heated and air conditioned (mixed climates) because the situation is reversed in summer with the potential for moisture to form on the back of the interior vapor retarder if fiber insulation is used.

What is the difference between CORBOND and open cell foam?
CORBOND is a closed cell product encapsulating high R-value insulating gas (like high tech windows.)  Open cell foam uses air (like glass fiber), remains soft (like angel food cake) and can take on humidity and water.  CORBOND creates a barrier against humidity and will not take on water.  CORBOND has twice the R-value of open cell foam per inch, allowing for maximum energy savings even in thin wall and roof construction.

At what point of construction is CORBOND sprayed into place?
CORBOND is applied before the sheet rock is put in place but after plumbers and electricians have completed rough-in work.  The spray-in-place product creates a bedding around the popes and closes all penetrations in and through the exterior walls of the structure which completes a nearly monolithic insulating blanket.  CORBOND can be installed quickly.  An average house of 2000 square feet may take a trained crew only 6 to 7 hours to complete.

Is CORBOND environmentally friendly?
Yes!  CORBOND product uses a new generation of environmentally friendly ingredients.  CORBOND now contains no ozone depleting substances.  Also, its superior insulating capabilities dramatically reduce heating and cooling demands, reducing harmful emissions from power plants and home heating units.

What happens if the owners want to add an electrical outlet once CORBOND in installed?
If an outlet must be added, CORBOND drills more easily than wood.  There is also typically a small space left between the wall board and the CORBOND so a wire can slide through.

Can you drill holes in existing walls and fill them with CORBOND?
No.  When CORBOND expands it is very strong.  As a result it may distort a closed wall cavity and then set up hard.  CORBOND is always sprayed into an open cavity.  This also allows for better job quality control because the technician can see what is being insulated.

How long does CORBOND last?
Indefinitely.  As an inert, long lasting plymer plastic, a house wall or commercial structure is the perfect place for CORBOND to do its job for a very long time.

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