Lime mortar lime putty when mixed at a 1 to 3 ratio, fill these voids to create a compact mortar. Analysis of mortar samples from historic buildings typically indicates a higher ratio of around 1 part lime to 2 part aggregate/sand was commonly used. A traditional coarse plaster mix also had horse hair added for reinforcing and control of shrinkage, important when plastering to wooden laths and for base (or dubbing) coats onto uneven surfaces such as stone walls where the mortar is often applied in thicker coats to compensate for the irregular surface levels. If shrinkage and cracking of the lime
Queensland Cement and Lime Company Queensland Cement and Lime Company Queensland Cement and Lime Company (QCL) was a company that manufactured cement and lime for use in construction in Queensland, Australia. It supplied many major projects in Queensland. It was also known as Queensland Cement Limited. The company was established in 1914, operating a cement factory at Darra in Brisbane. From 1916, it obtained limestone from Gore on the Darling Downs. In the early 1930s, it built a wharf on the Brisbane River at Seventeen Mile Rocks. The company had a dredge at Mud Island in Moreton Bay from where they obtained coral, which was