Mr. Allen joined Construction Systems Group, Inc. in May 2001. He is a licensed Professional Engineer and a certified expert in the design, detailing, implementation, and construction of building envelope systems, drainage, and pavements. He works with clients on a wide range of projects—from restoration to new construction—focusing on building envelope issues including rehabilitation and restoration of waterproofing systems, concrete, EIFS, masonry facades, window systems, sealants, and pavements.

In addition to his design expertise, Mr. Allen conducts field investigations, prepares remedial design documents, and provides construction management services. He has also served as an expert witness in multiple litigation matters.

Prior to joining CSG, Mr. Allen performed forensic engineering investigations, analysis, and modeling related to the types and causes of masonry failures and repairs for the Brick Industry Association. In March 2001, he served as a member of The Masonry Society Disaster Inspection Team following the Nisqually Earthquake, where he inspected and reported on seismic masonry design practices in the Seattle, Tacoma, and Olympia, Washington areas.

Mr. Allen is the author of several articles on masonry systems published in Brick News and The Reporter. He is also co-author of the award-winning paper, “Proposed Provisions for Design of Anchorage to Masonry,” published in The Masonry Society Journal.