"Robin Lewis" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] : Sue asked about her chimney collar: : : > Our seal between the collar and the top of the boat keeps cracking. Are we : > using the wrong sort of mastic? : > : : Not an answer to your question, but as a matter of interest, our boat : doesn't have the normal collar, but a short length of 6in diameter flue : pipe welded to the roof. So, no possibility of a leak, assuming the : weld is sound. I wonder why more boatbuilders don't do it this way. :
You wait until you need a new chimney and you'll find out -- Brian Ancient Order of Sewer Ants Visit this site and help save our waterways http://www.savethewaterways.org.uk/
