04 03 01 Masonry Cleaning

04 03 01 Masonry Cleaning


Specification Details

Pages

1

Dimensions

8.5" x 11"

Editable

Word Doc

Usage Limit

Unlimited Projects

Section

04 03 01

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Masonry Cleaning

Use this CSI 3 part SimpleSpecs™ master specification to specify paint stripping and chemical masonry cleaning of existing surfaces.

 

Since there are a multitude of products that can be used for this purpose, field testing of actual substrate samples is typically required in order to determine materials and procedures which must be specified.

 

Chemical cleaners and paint strippers can be hazardous to persons and plant life and therefore should be used with extreme caution. Consult local codes and ordinances for regulations governing the use of these products and the containment of runoff.

 

In general, the weakest dilution of cleaning solution and lowest pressure spray are the most desirable. Strong cleaning solutions can burn or discolor the surface, and high pressure water can cause physical damage to the masonry. Water and chemical cleaning introduce moisture into the masonry, which can cause efflorescence, freeze spalling, and interior moisture accumulation.

 

Sandblasting of historic masonry is generally not recommended due to the high potential for physical damage to the masonry.

 

For additional information on this subject, refer to the following Preservation Briefs by the National Park Service, www.nps.gov:

–  No. 1 – Cleaning and Water Repellent Treatments for Historic Masonry Buildings.

–  No. 6 – Dangers of Abrasive Cleaning to Historic Buildings.

 

Also, see Common Problems with Brick Masonry

 

Related SimpleSpecs™ master specifications:

04 21 13 – Brick Unit Masonry 

04 21 33 – Adhere Brick Veneer

32 14 16 – Brick Unit Paving 

 

 

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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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