While feeling a soft spot or warm spot in your floor might indicate a leak, it doesnât necessarily indicate where the leak is located. Water has the ability to travel quite a distance before making an obvious sign. Locating a leak under a slab is a two step process. 1. Locate your houseâs pipes. 2. Use an electronic leak detector to pinpoint the location of the leak.
The FDA RACC (Reference Amounts Customarily Consumed per eating occasion) for fruit juices normally used as ingredients (such as lemon or lime juices) is 5 ml per occasion, so about  15 ml per day.
Lime mortar repointing costs around 50 per square metre for labour and materials. This does not include travel costs and scaffold hire. Normally, I can repoint 2.5 square metres per day. For example, the side of most two storey pre-1914 houses is 80 square metres, and uses nearly one tonne of lime mortar.