Is it necessary to support the tops of interior masonry partitions? How can these walls be connected to the structure while still allowing the structure to deflect? More
The interior face of masonry walls in a clock tower near Chicago are spalling badly. When the spall was removed, the back face was covered with a white powdery substance. Has this substance caused the spalling or has it entered the crack after the spall occurred? What can be done to stop this from occurring? More
Denver's totally cast-in-place 312-foot-high Barclay towers is the result of an integrated construction sequence combined with a structural design unusual for a building of its size. More
In concrete buildings I am designing it is important that exposed concrete decks over interior spaces be free of leaks. I need a tested and proven admixture or sealer to provide a permanently waterproof deck. The deck will be exposed concrete, subject to More
A 10-foot by 60-foot wall that was formerly an exterior basement wall is now the interior wall in an addition and it is desirable to paint it. The trouble is that it has an asphalt coating. How can we get the asphalt off? More
A set of specifications requires stiffer forms for the exterior surface of an architectural concrete wall than the interior. Is this common, and if so, why? More
Is there any difference in epoxies for indoor and outdoor application? More
What treatment is recommended for the interior of concrete tanks which are to be used for the storage of molasses? More