NCMA (National Concrete Masonry Association) E-Tech

The E-Tech Series is a compilation of technical topics for industry professionals that have been developed to ensure quality concrete masonry design and construction.  Each E-Tech is 4 to 6 pages and focuses on a specific issue.

ICPI (Interlocking Concrete Pavement Institute) Tech Specs

Click on the following link to access Tech Specs directly from the ICPI website.  Tech Specs provide detailed guidance on practically every aspect of design, construction, and maintenance of interlocking concrete pavements.

Specifications

Click on any one of the following links to view specifications based on the standard "16 Section" format:

Section 04200 - Concrete Masonry Units

Section 02780 - Interlocking Concrete Pavements

Section 02832 - Segmental Retaining Walls

Common Questions

Click on any one of the following links to see answers to some of our more common questions on each topic:

Concrete Blocks

Paving Stones
Retaining Walls
Efflorescence