if your water is freezing in your hose then it will also freeze on floor causing a major slip hazzard so please dont use WFP in these conditions even if you have a hot water system, most on here changed over to WFP for safety reasons to use WFP in these conditions shows a complete disregard for others safety, so look at your work and see what can be done safely trad untill temp rises above freezing, if you are caught out on an occasional job and water freezes then ensure some salt is thrown down.