Historic Restoration
This article is currently only available in PDF format, please click the link to the top right.
This article is currently only available in PDF format, please click the link to the top right.
Mark K. Howell is a recognized leader in concrete and masonry maintenance repair and has been involved in the restoration of many historic structures during the last decade. Howell is a member of International Concrete Repair Institute, American Society of Testing Materials E6 Committee, Sealant Waterproofing Restoration Institute, and the Exterior Design Institute.