I odered an E.P.D.M chimney boot from W.W. Granger yesterday. I asked the saleman( at my local Grainger store) if this E.P.D.M boot was suitable for double walled insulated chimney? He said he didn't know but that we could confrence with the technical dept, for Grainger products in Chicago. The tech came on the line and assured me that the E.P.D.M boot was appropriate for my use and so I ordered one at $114. I also asked the tech to fax me all his information about the specs and install instructions for this boot. The tech did fax me some 6 pages of specs and instructions.
After reading the fax information I became aware of the warning against using E.P.D.M. products in high heat areas. I called the manufacturing company that made the boot and told them that i thought I had been mislead by grainger and really needed a 100% silicone boot, adjustatbe from 7"-11" . The woman tech told me I was exactly right and did need the silicone boot and clamp. She couldn't sell to me as a contractor, but did give me the product # of the silicone boot, which grainger does carry.
I then called grainger back and told then that the company that sells their E.P.D.M. flashing kit told me only silicone would be appropriate for my installation but my order had already been shipped. They were very nice and promised to get me the silicone boot and sent me a call tag to send the E.P.D.M. boot back to them free of all charges.
I have tried to include here a page of the fact sheet from Portals Plus, the manufacturer of both boots which list specs for both Rubber roofing (E.P.D.M.) and silicone ratings Be aware that pure silicone has a higher heat protection point more than double that of the cheaper E.P.D.M. boot. Silicone is up to 500 degrees f where as where as the E.P.D.M. boot is rated for a constant 212 degrees
Sorry I couldn't fax the sheet I had intended to send, as the file was too large. But the companies name is Portals Plus Inc @ !-800 PPI 5240
I hope this may save others a time consumming and safety issue mistake. If you need more help email me. i am a certified installer of E.PD.M. roofing.
After reading the fax information I became aware of the warning against using E.P.D.M. products in high heat areas. I called the manufacturing company that made the boot and told them that i thought I had been mislead by grainger and really needed a 100% silicone boot, adjustatbe from 7"-11" . The woman tech told me I was exactly right and did need the silicone boot and clamp. She couldn't sell to me as a contractor, but did give me the product # of the silicone boot, which grainger does carry.
I then called grainger back and told then that the company that sells their E.P.D.M. flashing kit told me only silicone would be appropriate for my installation but my order had already been shipped. They were very nice and promised to get me the silicone boot and sent me a call tag to send the E.P.D.M. boot back to them free of all charges.
I have tried to include here a page of the fact sheet from Portals Plus, the manufacturer of both boots which list specs for both Rubber roofing (E.P.D.M.) and silicone ratings Be aware that pure silicone has a higher heat protection point more than double that of the cheaper E.P.D.M. boot. Silicone is up to 500 degrees f where as where as the E.P.D.M. boot is rated for a constant 212 degrees
Sorry I couldn't fax the sheet I had intended to send, as the file was too large. But the companies name is Portals Plus Inc @ !-800 PPI 5240
I hope this may save others a time consumming and safety issue mistake. If you need more help email me. i am a certified installer of E.PD.M. roofing.
