November 2012 Table of Contents

November 2012
Volume 51, Number 11

FEATURES

Air Barriers: Impermeable or Permeable?
Architects and engineers are faced with the challenge of selecting an air barrier from the many types available. Masonry reports.

Green Building
A case study focuses on how blended cements aid in sustainable design and construction.

Natural Stone
Learn how Indiana limestone is restored on buildings and structures that have been damaged by age, neglect and use.

Patching: Extending the life of masonry
Understanding the products available for patching lets you make better selections for each condition.