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Modular Offices Completely Remove Hidden Costs and Delays
Fitting Out a New Office
Tunnelling Techniques Used To Create Tunnels
Ready to Kiss the Sky Once Again!
What Is a CDM Co-Ordinator And Why Are They Important?
The Effect Of The Recession On The Construction Industry
Five Things Wrong with Commercial Rooftop HVAC Ductwork
Great Advantages of Steel Buildings
Use Your Commercial Building as a Rain Water Collection System
Bollards: What Functions Are Top Priority?
Save Money and Time Using Modular Office Buildings
Cambridge, Massachusetts Community Preservation Fund
HUD Secretary Tours Indian Reservation
Housing Affordability in San Diego
Case Study of Energy Savings for 2 Bank Buildings
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Asheville, NC May Ease Affordable Housing Zoning Laws
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Commercial Construction - Why We Build in South Florida the Way We Do
Modular Church Buildings Offer Affordable Expansions
Modular Offices - Easy, Quick, and Affordable
Structural Insulated Panels or SIPs and Seismic Performance
5 Things to Remember When Picking a Land Surveyor
  Weather Protection for SIPs (Structural Insulated Panels)
SIPs are manufactured from 3 basic components. These components are Exposure I Rated oriented strand board (OSB) for the outer faces, an Expanded Polystyrene foam core, and a crosslinked structural rated adhesive. The EPS core and the adhesives are capable of withstanding long term exposure to moisture. However, the exposure to moisture for the OSB is a key item with respect to the durability of a SIP.

The Exposure I Rated OSB is designed for limited exposure to moisture that can occur during construction, but SIPs must be covered during storage to protect from exposure to rain, snow and other elements. After installation, the SIPs should be covered with a secondary weather resistive system as soon as possible. This is required to protect the OSB from exposure to moisture long term. The installation of SIPs and the secondary weather resistive system should not occur during periods of heavy rain.

Installation details must ensure that the OSB facings and other wood components of the SIP construction are not subjected to moisture over the life of the structure. Moisture exposure could be exterior by means of bulk water making its way through the siding system or from the interior of the structure in the form of water vapor. In order to manage these potential sources of moisture, proper detailing must be accomplished.

These key detailing considerations help achieve the long term durability SIPs:

1. Application of manufacturer approved sealant at panel joints. Sealant must always be installed in a sufficient amount and applied in a continuous unbroken fashion.
2. Proper use of SIP Tape or vapor retarders as required. Selection and placement is dependent upon building use and climate conditions.
3. Proper use of code recognized exterior weather resistive systems which must include both a primary and secondary system. The cladding must provide a rain screen design which provides an avenue for water that penetrates the primary weather resistive system to drain from the wall. The cladding must be installed over a secondary system that is rated as weather resistant, such as building paper or house wrap products (i.e. Tyvek, housewrap, etc.).
4. Proper flashing and detailing of all window openings and penetrations. Ensure that the detailing of openings is consistent with forming a drainage plane which works in conjunction with the exterior weather resistive system.

R-Control SIPs is a leading supplier and manufacturer of structural insulated panels throughout North America and the world. Learn more information on SIPs from R-Control.

Learn about how to protect your SIP Panels by visiting R-Control, the SIP industry leader.


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Modular School Buildings: Versatile In Their Utility
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Mobile Classrooms: Taking Education To the Masses
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Modular School Buildings Are The Need Of The Hour
The Many Pluses Of Modular School Buildings
The Many Advantages Of Mobile Classrooms
Budget Cuts Forcing Housing Authority Consolidations
Weather Protection for SIPs (Structural Insulated Panels)
Dubai and the Pearl Project, a Landmark
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