07 26 00 Vapor Retarders

07 26 00 Vapor Retarders


Specification Details

Pages

1

Dimensions

8.5" x 11"

Editable

Word Doc

Usage Limit

Unlimited Projects

Section

07 26 00

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07 26 00 Vapor Retarders

Use this CSI 3 part SimpleSpecs™ master specification to specify vapor retarders to control moisture vapor transmission passage through the roof, wall, and floor floors.

 

Materials are used in interior and exterior assemblies where areas of different conditions occur.  Such as steam rooms. A vapor retarder is generally defined as a material having a moisture vapor transmission rate less than 1 perm.

 

Careful consideration of numerous factors is required to prevent condensation from occurring within roof, wall, and floor assemblies. Climatic conditions including mean summer and winter temperatures and average relative humidity, both indoor and outdoor, can have a huge effect on moisture vapor movement. In addition, the location of the vapor retarder within the assembly is critical.

 

In order to be effective, the vapor retarder must be continuous, with joints sealed and the vapor retarder sealed around all penetrations and at the perimeter.

 

The use of the term vapor barrier is discouraged since it is nearly impossible to construct an absolute barrier.

 

Manufacturers listed in this Section:

Tex-trude-logo vapor retarder

 

Yellow-Guard vapor retarder 07 26 00

 

Related SimpleSpecs™ master specification:

03 30 00 – Cast-in-Place Concrete

07 28 00 – Weather Barriers 

31 32 13 – Radion Mitigation

 

 

07 26 00 Vapor Retarders

       
The SimpleSpecs™ master specs concept
 
Adding More Words Does Not Make Specifications More Enforceable.    
Design professionals are accustomed to seeing lengthy project specifications, so why is SimpleSpecs™ so short?
 
Specifications have grown evermore wordy over the years for several reasons:
  1. The mistaken belief that specifications must be lengthy and legal-sounding to be enforceable.  In fact, quite the opposite is true.  Having shorter, easily understood specifications makes us less likely to have problems in the field.
  2. A belief that having lots of words protects us from a Contactor making mistakes.  There is no way to include enough statements to protect yourself from a bad contractor, regardless of the length of your specification.
  3. Our desire to be in control of the project by specifying means and methods instead of including simple, enforceable statements.
 
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