Advanced Structural Buildng Systems - Patented Structural Building System.

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  Frequently Asked Questions ~ (FAQ)


What are the advantages of panelized construction over conventionally framed buildings?


Panelized homes made from Sips panels are erected quickly, provide unprecedented energy efficiency, offers tremendous design flexibility and are substantially stronger than conventional framing.  In essence, the panelized system is the construction method of the 21st Century.



What holds the house up since framing is not used?


Structural support is provided by steel framing members placed 24" on center and screw connected to steel engines at both the top and bottom of the panels.  This assembly results in a wall exponentially stronger than a conventional 2" x 4" wall.



What are the disadvantages to this type of panelized construction?


The wall and roof panels are state-of-the-art construction.  As such, many builders may not be familiar with erection techniques.  Fortunately, shell erection can be handled by an experienced  or local contractor familiar with this type of assembly.  Moreover, techniques required for construction are very easy to master, and instruction is provided by



Is there an advantage to the 7" panel thickness for walls and 12" panel thickness for the roof?


Yes, indeed.  This construction system provides the highest level of energy efficiency (4.35 R/1" at 25F, 3.85 R/1" at 75F) for a given wall or roof system available in the industry.  Additionally, because of the design flexibility, the homeowner receives more living space than in comparatively insulated houses, with the same outside dimensions, and vaulted (cathedral) ceilings in all living space directly below roof members.



What is the interior layout like in a Sips ?


Because the building shell provides most of the load-carrying requirements of the house, there is inordinate flexibility of interior design.  In fact, the improved volume space offered by this system is a distinct feature favored by homeowners.  Users can select a  home design, plan the layout themselves, or work with an architect, builder or  representative to provide for all your special needs.  Unlike most houses, the structure does not constrain your design flexibility.



Sips Panels



What are Sips Panels?


Sips panels are highly insulated building panels which have a core of rigid insulation supported with exterior and interior steel framing members made from 1" x 2" 18 gauge galvanized steel.  The steel framing members are joined together with self-tapping screws to provide a warp-free integral structure.  Adjacent panels are joined with top and bottom 1-1/2" x 1-1/2" steel angles which are secured with self-tapping screws.



What kind of exterior siding can be used on the panels?


Virtually any type of exterior application can be employed.  This would include masonry, wood, vinyl or aluminum.



How are panels made?


Panels are designed, cut and assembled to very specific tolerances at the  plant.  Each wall and roof section is custom made for a specific home.  Therefore, both builders and home owners have confidence that the Sips system is made specifically for their use.



Are there problems with dimensional stability of the panels?


Panels are extremely stable, and while they may expand slightly, the effect is almost indefinable.



Does the R-value of the EPS experience thermal drift?


No, when properly insulated, the R-value of EPS insulation remains constant because the cellular structure contains only stabilized air.  The R-value of EPS will not decrease with age.  As a result, the thermal resistance, or R-value, may be used without age adjustment.



Why isn't there a vapor barrier in the panel?


The panel itself serves as the vapor barrier.  Most model building codes require a vapor barrier with a perm rating of 1 or less.  The perm rating of the system is less than 1.  Moreover, with a Sips system wall, voids are eliminated and therefore moisture does not condense.  Moisture is not a problem with this panelized system.  The expanded polystyrene (EPS) material in the panels will absorb and release moisture on a seasonal basis, but there are no harmful effects from this cycling.



Do I need to add a vapor barrier or use a vapor retardant paint?


No vapor barrier is required with the panel.  The only place where moisture migration might be a concern is at panel joints;  however, these joints are sealed following installation to prevent moisture areas, such as kitchens and bathrooms, is recommended.



 Environmental and Health Concerns



What are the physical properties of expanded polystyrene (EPS)?


EPS is an advanced formulation of lightweight, closed cellplastic foam material composed of hydrogen and carbon atoms.  It is derived from petroleum and natural gas by-products and developed for high R-value, structural strength, and for safety characteristics.



Does temperature cycling affect EPS insulating characteristics?


No.  EPS is able to withstand the abuses of temperature (freeze-thaw) cycling without loss of structural integrity or other physical properties, thus assuring long term performance.



Is EPS manufactured with chloroflourocarbons (CFCs) or hydroclorofluoro carbons (HCFCs)?


No.  EPS neither contains nor uses chlorofluorocarbons, usually referred to as CFCs or hydrochloroflourocarbons, referred to as HCFCs, in its manufacturing process.



What happens when the panel burns?


When the panels burn, quantities of carbon monoxide and carbon dioxide are released; however the volume released is substantially less than that released by a comparable amount from white oak or Douglas fir.



What is the wall finish rating of our Panels?


ASTM testing by an independent laboratory showed the wall finish rating of   panels can achieve up to a one hour rating with drywall attached.  Complete information on wall and roof finish ratings is available from



What are the building code requirements for panels relative to fire?


Building and fire codes vary from location to location, however, typically a 15 minute finish rating is required for light construction.  panels, with an interior layer of 1/2" drywall, significantly surpasses this requirement.  Complete information on wall and roof finish ratings is available from



Do I need an air-to-air heat exchanger?


Air-to-air heat exchangers, and/or other types of mechanical ventilation are recommended in all tight houses, including those constructed with our Sips panels.   recommends that air-to-air heat exchangers be incorporated into all of our Sips homes.



 Does EPS offer good moisture resistance?


Yes.  A study by the Energy materials Testing Laboratory has show that EPS insulation does not absorb appreciable moisture, even under conditions characteristic of prolonged, cold, damp winters.  The small amount of moisture absorbed (an average of 0.02% by weight) has little or no effect on compression and flexural strength.  Further, the EPS insulation retains between 95% and 97% of its thermal efficiency.



Finishing a  Home



What skills are required for finishing a  home?


General carpentry skills are all you will need to finish a home constructed with the panelized wall and roof system.  Skilled homeowners can do most of the work themselves, subcontracting work requiring specialized skills such as electrical and plumbing.



How is the roof finished?


After panel joints are sealed, 1/2" OSB or plywood is fastened to the steel structural members in the roof panels, and then felt paper and shingles are installed.



Can exterior siding be directly applied to the panels?


Generally, yes.  Felt paper and other moisture barriers should not be used between the panels and siding;  however, an air barrier such as Tyvek or Typar is recommended.



How should the siding be applied?


Horizontal siding is screwed directly to the structural support members of the panels.



Are windows and doors difficult to install?


Windows and doors are ready to install in a  home because of the exacting standards used to cut rough openings prior to delivery.  After 2"x8" framing, units are set into the openings and shimmed to level.  Then, the perimeters are sealed with expanding foam sealer, resulting in an energy efficient installation.



How are interior walls installed?


Interior partition walls are generally constructed of either wood or steel 2x4s and sheathed with drywall, as in conventional frame construction.  Where an interior partition wall meets an exterior wall, the edge stud is screwed into a structural support member pre-designed for that location.



 How do you run wiring in panels?


Horizontal wiring runs are engineered into the panels prior to assembly, so field wiring is simplified.  Vertical runs can be field routed with minimal effort.



How are electrical boxes attached to panels?


The boxes are field screwed to the structural support members in the wall panels.



How do you run plumbing in a  home?


There will be almost no difference between plumbing in a  home and plumbing in a conventional framed house.



How are walls finished in a  home?


Walls are generally finished with drywall on the interior face.  Typically, the drywall is fastened with self-tapping screws to the support members of the panel;  however, some builders use construction adhesive in applying drywall to the Sips panels, enabling them to use fewer fasteners.



What is the best type of heating system for a  home?


Any type of heating system can be used; however, the advantages of this unique, high energy efficient panelized system will reduce the BTU loading requirement substantially from what is conventionally expected.  Where gas is available, a 50 GAL hot water tank will meet all heating and domestic hot water needs.  Therefore, work with your heating contractor, general contractor or  Representative for recommendations.



For additional information on  homes, custom designs and details on shell erection and finishing, contact  at

Some of the benefits of our patented structural building system and structural panels are as follows:
  • Higher Resale Value
  • Less expensive than stick construction
  • Easier to work with and less expensive than traditional SIPs construction with OSB
  • Less expensive than metal skinned SIPs panels
  • Higher STC Values
  • Ability to meet geophysical hazards
  • Ability to meet structural and energy building codes
  • Energy Efficient
  • Easier and faster to assemble in the field
  • Superior energy savings
  • Environmental sensitivity
  • Enhanced safety and convenience
  • Significant cost savings
  • Less waste ,


For More Information E-Mail us at or use the contact form below.


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Sips Home Manufacturers.. Sips Homes for sale.. SIPs Buildings for sale,


  Are Structural Insulated Panels More Expensive? ~ Building with SIPs generally costs about the same as building with wood frame construction, when you factor in the labor savings resulting from shorter construction time and less job-site waste.  Other savings are realized because less expensive heating and cooling systems are required with SIP construction.  
  SIPs Homes Out Perform Traditional "Stick Built"  ~  SIP buildings are vastly more energy efficient, stronger, quieter, and more draft free than other building systems, such as stud framing with fiberglass insulation. Fiberglass is sometimes used for furnace filters because air moves through so freely. Rigid insulation is used as solid component insulation in almost every industry for its inherent efficiency and lack of air movement. These attributes are built right into a SIP building. Less air leakage means fewer drafts, less noise, lower energy bills, and a much more comfortable indoor environment.  
Save construction time and "MONEY" on your "CONSTRUCTION LOANS"  ~ SIPs Homes construction also saves costly labor hours. A project using stick frame construction may take several weeks with a 4-person crew, but will take as little as 3 days, with the same crew, using our SIPs Homes system. What makes SIPs even better is the wire chases which are factory milled in the EPS (Expanded Poly Styrene) insulation, so wiring is as easy as just fishing the wiring through.  Insulation costs and installation are also a thing of the past; the EPS (Expanded PolyStyrene) replaces the normal insulation and gives a better long-wall insulating value and performance with minimal thermal drift.
Some of the advantages of a We Home are:
  • Insect and Mold Resistant
  • High Energy Efficiency Components
  • Increased Home Resale Values
  • Decreased Building Time
  • A True Green Product
  • Decreased Mortgage & Payment Rates
  • Potential Energy Tax Credits
  • Reduced Energy Costs
  • Increased Life Expectancy of Building
  • High Wind Load Survivability
  • Reduced Thermal Loss
  • Reduced Insurance Rates
  • Higher Overall Resale Value
  • Reduced Costs For Heating and Cooling Equipment









Real Estate Financing Available in: Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine,  Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas,  Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming


Please contact me at for all of your real estate financing needs







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