As far as I was aware, any head can be made wax coated. SS plates may rust (depending on grade) but they will last longer than standard. Tyco makes a white coated stainless. Not sure what that is, but may be worth looking into
Todd G Williams, PE Fire Protection Design/Consulting Stonington, CT www.fpdc.com On Jul 23, 2013, at 2:10 PM, Greg McGahan <[email protected]> wrote: > There is no perfect solution to this issue for salt air. Even SS plates > will rust and they are so hard, they have a tendency to fall off. > > Greg > > > On Tue, Jul 23, 2013 at 1:02 PM, Charles Thurston <[email protected]>wrote: > >> Hello Roland, >> >> Well the escutcheons tend to corrode away before then and the ring that >> holds them, Then there is an open hole :( >> >> Tuesday, July 23, 2013, 11:24:03 AM, you wrote: >> >>> Worth noting that NFPA 25, 2014 edition will allow a minor amount >>> of corrosion w/o replacement. Look at the ROP and ROC if really >> interested in what's to come. >> >>> Roland Huggins, PE - VP Engineering >>> American Fire Sprinkler Assn. --- Fire Sprinklers Saves Lives >>> Dallas, TX >>> http://www.firesprinkler.org >> >> >> >> >> >>> On Jul 22, 2013, at 7:36 PM, Charles Thurston <[email protected]> >> wrote: >> >>>> Hello Sprinklerforum, >> >>>> We have a big problem with sprinkler heads outside and corrosion. I am >> looking for suggestions on head finishes that will last for 10 years >> oceanfront and first row. wax over lead has been suggested as best for the >> area, Only problem is that are standard response, Not too good to replace >> existing quick response heads. Any luck with concealed heads? >> >>>> -- >>>> Best regards, >>>> Charles mailto:[email protected] >> >>>> _______________________________________________ >>>> Sprinklerforum mailing list >>>> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> >>> _______________________________________________ >>> Sprinklerforum mailing list >>> [email protected] >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org >> >> >> -- >> Best regards, >> Charles mailto:[email protected] >> >> _______________________________________________ >> Sprinklerforum mailing list >> [email protected] >> >> http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org > > > > -- > Greg McGahan > Living Water Fire Protection, LLC <http://www.livingwaterfp.com> > 1160 McKenzie Road > Cantonment, FL 32533 > 850-937-1850 > fax 850-937-1852 > _______________________________________________ > Sprinklerforum mailing list > [email protected] > http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org _______________________________________________ Sprinklerforum mailing list [email protected] http://lists.firesprinkler.org/listinfo.cgi/sprinklerforum-firesprinkler.org
