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Jeff Johnson Timber Frames, Inc.

562 Terrell Road
Franklin, North Carolina

828-524-7585 Local
866-524-7585 Toll Free
828-524-5611 Fax
828-342-5393 Cell

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Why Panel Enclosures?

Strength and energy efficiency through structural panel construction.

Since their introduction more than fifty years ago,SIPs have been used in thousands of homes and light commercial buildings. It is our opinion that you can not find a better enclosure for your timber frame home. Talk to a few of our home owners and I think you will find a true testament to their benefits.

The insulation values for panels are far superior to conventional framing and insulating methods. The insulation core is polyurethane, 2.2 lb. density closed cell foam. Outer and inner skins are 7/16″ Oriented Strand Board (OSB).
Minimum R-Values are as follows:

  • Walls – R-24, R-28
  • Roof – R-40

SIPs also have superior transverse and axial-loading capabilities with increased racking resistance over conventional framing enclosures. Foam fire rating is Class 1. No formaldahyde or CFC’s are contained in this product.

Reading articles and viewing photos of recent natural disasters will only reinforce a positive view of SIPs.

  • 1993 earthquake in Kobe Japan, SIP houses left undamaged amid other destruction.
  • 1998 a tornado rolls through conventionally-framed houses in an Atlanta suburb, but causing only superficial damage to a SIPs home in the middle of the destruction.