In some cases, sealing brick does more harm than good. Theoretically, the sealant keeps moisture from getting into the bricks in. The County Surveyor's Society Bridges Group has produced with the assistance of TRL a Guide to the Repair and Strengthening of Arch Bridges. The earliest still in. This manual provides guidance to state and local bridge forces on maintaining, repairing, rehabilitating, and restoring stone arch bridges. The manual was developed as part of Project Keystone, a management plan designed to identify a portion of the stone arch bridges in the Greater Philadelphia. Best way to seal a hole in brickwork? Just patching up and old gas heaters exhaust hole. What's the best way to seal this up? I have a few matching bricks so I'm thinking of knocking the damaged three out and just replacing it with some mortar. Around 20% of the UK housing stock is more than 100 years old and the vast maj rity of this old stock is constructed from bricks. Introduction to the Construction Industry and Masonry.
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