The attached PDF is is similar to the system we used at Austels frank -------------- next part -------------- A non-text attachment was scrubbed... Name: Fire_Rated_Duct_Seals___EN3166_Test.pdf Type: application/pdf Size: 1595312 bytes Desc: not available Url : http://lists.bcn.mythic-beasts.com/pipermail/bitlist/attachments/20130401/cd44a227/attachment-0001.pdf