B
Billy Bob Bob
A link ?
it would take so long to link it of this crap lap top i am using i may die of boredom,you can either wait for my new pc to arrive or look at stans fb page gas engineers uk
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A link ?
I've seen loads sealed, un-sealed, foam, mortar, rock wall, kitchen roll, mastic, carrier bags but whatever was used the sealing collar was usually in place so nothing was going back in
worcester are the only manufacturer whos instruction/ Tech Bull ive seen saying you can seal externally with the rubber and expanding foam the inside to seal it. you need a six inch hole tho.
what they dont tell you is how to terminate the blow off back to the wall in flats without a ladder or scaff.
solder a 22mm cap in 15mm pipe and push through 28mm hole, make good in side.
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