Many British temperature records have tumbled so far in 2019. We had our warmest ever February day when temperatures reached 21.2C, and the hottest day on record this July when the mercury reached 38.1C. While people can wear short...
The British Standard for wall ties – BS1243 was introduced in 1945 and was a ‘prescriptive’ standard – ie all ties had to conform to the approved design of the time, and the ‘butterfly’, ‘double triangle’ and ‘fish-tail’ were...
How does Peter Cox isolate old fish tail ties? My mortar bed is about 10 mm thick