wire mesh

welded wire mesh first appears in our research notes in April 1905 when Monash told Gummow that the Expanded Metal Co of New York had "active agencies in Victoria vigorously exploiting the use of expanded metal for floor plate construction". At current prices JM did not fear competition but thought it would be perforated metal fair to him to exclude expanded metal from the classes of work on which he had to pay royalty.(Gummow agreed to this.) In February 1906 Gummow told JM that he had lost a job in Sydney for NMLA because the architect's specification permitted alternatives to the Monier floors designed by GF&Co, and he had accepted a "cheaper" and "inferior" floor system with expanded metal. JM continued: "It will serve no useful purpose to commiserate with you on the shabby treatment of [by] the Architect in question. I strike some men of welded wire mesh the same class here occasionally, though it has not so far resulted in any damage to our interests here. I have adopted a rather militant policy in Melbourne, and whenever a favourable opportunity offered, have decried the unscientific character of expanded metal construction so far with excellent effect." JM added he knew Col. Templeton, the company's general manager, and Mr Stock their actuary. "They leave their architects very much alone but Stock is favourable to Monier."

The use of perforated metal panels to extract solar energy for the daytime winter heating of occupied space in New Zealand has considerable potential. Experiments carried out using a modified Styleline profile metal sheet raised the air temperature flowing through the panel by almost 15oC. The outdoor test showed that the wire mesh optimum collector porosity was between 0.2% and 0.4%.The experiments also showed that the UTS collectors have the potential to transfer 60% of the incident radiation to the air stream. It was also recognised that reduced suction rates and high wind speeds will reduce this collector efficiency.The data currently generated by the analytical computer model predicts the performance of these collectors within a reasonable accuracy and this is a good guide to assess the benefits of UTS collectors. The model needs further improvements before it can be used to design more razor wire complex systems and to explore their commercial value in New Zealand.The exterior experiments will be resumed this winter for a range of corrugated roofing sheets profiles made by Dimond.

Using razor wire and broken glass in order to stop people getting in to your home is not advisable perforated metal . You are making yourself liable to civil action as you owe a duty of care to ensure that visitors to your property are reasonably safe. As absurd as it may seem you also owe a lower duty of care to trespassers.The use of such a preventative measure could also be seen as being detrimental to the neighbourhood.Using other methods of crime prevention such as trellis fencing and defensible planting is often more effective and pleasant to look at.Trellis fencing is effective because it increases the height of the boundary and it is not usually strong enough to hold an intruders weight and they will not want to welded wire mesh risk climbing over it, breaking it and making a loud noise.Prickly plants such as Hawthorne, Poncira, Pyracantha (rapid growth), Rosa rugosa, or any kind of Berberis are an effective obstacle against possible intruders and much more pleasant to look at.