We strongly suggest that specifications for such a project avoid the simplicity of the "match existing" statement. This circumstance raises a host of considerations such as the age and extent of weathering of the "old" cmu, possible differences in aggregate from the time of its manufacture to the present, and the fact that a good match now may not last as the "new" cmu weathers. Occasionally, new construction may be required to match an existing wall or structure, dictating the color of new cmu match the color of existing cmu. Contact your representative should the weight or strength to be specified differ from that indicated on a given sample. Similarly, High-Stress units have a different mix design as a result, their color will not be exactly the same as non-High-Stress units. For example, a color in Medium Weight will differ somewhat from the same color in Lightweight. A weight classification will require a specific aggregate mix, which will create its own natural gray and have an effect on any added coloring agent.
As natural raw materials from the same source can change over time, exact color duplication from run to run cannot be guaranteed.Ĭolor will be affected by differences in weight (density) or strength.
A statement of color, then, refers to a range of color. However, variations may occur in color and shade, in natural gray or integral color, as a result of color ranges in raw materials over which we have no control. (See Colors & Textures.) Your representative can offer samples and specific information to assist in color specifications.Ĭmu manufactured by Angelus Block are of the highest quality and uniformity available.
Angelus Block offers an extensive selection of standard and special order integral colors.
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