Re: 7 years in the waiting i get to start my 42" pompeii
I did run some high temp sealant under the anchor plate to seal against smoke migration.
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7 years in the waiting i get to start my 42" pompeii
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Re: 7 years in the waiting i get to start my 42" pompeii
I left about 1/4 - 3/8" gap to the outside of my double wall SS chimney but I did end up putting mortar in the gap. No issue with expansion due to double wall pipe but could be different with single wall. BTW nice chimney/vent transition.
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Re: 7 years in the waiting i get to start my 42" pompeii
Hi guys I don't know if anybody is on the forum at the min. But I'm just going to cut a circle hole out of 4 bricks for my vent anchor plate how tight a fit should I make the cut? Or should I leave a gap around it for expansion but would smoke not get trapped in there?
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Re: 7 years in the waiting i get to start my 42" pompeii
thanks ncman and steel i got a few cut for the transition today dry laid them out so i know where im going with it . i dont have an anchor plate as yet so i got the sizes from a pdf file on the one im going to buy tomorrow so might wait to lay the bricks until it comes just to be safe it fits. so i started with centered hole size at the top of my vent height and drew a pencil line from that point to the vent start as shown here i cut the top bricks befor i took the pic
the next cut i used is something ive seen on here before not really sure what its called some sort of saddle cut seemed to be the easiest way to anchor the first course
the next cut ties into the arch just a simple wedge out the corner as deep as the arch brick off a full brick and also a half brick bringing the bricwork back in course
then back on to full bricks with just the top to cut level i will also trim down all the egdes stuck out the sides so i can have a small as possible chimney breast
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Re: 7 years in the waiting i get to start my 42" pompeii
Looks great, trust me you will be happy you went through the trouble of redoing the vent area.
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Re: 7 years in the waiting i get to start my 42" pompeii
Lee....you are right, that vent is huge. It should draw good. You'll be glad you changed it, I'm sure. Great looking work, by the way.
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Re: 7 years in the waiting i get to start my 42" pompeii
cement arrived today so i got the arch re-done, the vent opening is hudge now 20" x9" im alot more happy with it. hopefully figure some sort of transition out tomorrow so proberly loads of head scraching and cutting for the day ive seen a few ideas on here not really sure which route to take might even fashion something up myself.i was going to go for a clay flue pipe but after looking at them arches i think i will use a twin wall for the lightness and just encase it with my face bricks and top off with a small clay pot sat on the inside of the face brick could only fine 1 brand of anchor plate for a 8" twin wall here in england but it looks like the dura vent 8" TWIN WALL Anchor Plate (8STC-AP) | eBay
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Re: 7 years in the waiting i get to start my 42" pompeii
Lee......I think you'll be glad you did what you did later on......some builders don't mind some smoke out the front, some do. You did the right thing, since it was important to you to have it the way you wanted. Best of luck w/it.
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Re: 7 years in the waiting i get to start my 42" pompeii
I am not quite to the point of constructing my entryway/vent area so I look forward to how the redesign works out!
Tony
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Re: 7 years in the waiting i get to start my 42" pompeii
Hey hey the concrete turned up on time so I got home early and got out the saw 20 mins later and I'm ready to go again this is going to leave me with a new vent size of 8 ins by 19.1/2 inch well worth the time I think. shouldn't take long to put back up neither cement should be here in 2 days or soreally glad I've done it now
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Re: 7 years in the waiting i get to start my 42" pompeii
That's it then I'm going to get the sthil saw out and chop a few course away I've just ordered another 25kg bag of cement fondue to re-construct it for a wider opening it makes sense listening to all your comments I am having a long chimney around 4 ft high so with a wider vent I should also be smoke free last thing I really want is all my face arch smoke stained. I might get chance this afternoon to cut it down all depends on this concrete wagon turns up on time at work hmmm we'll see thanks for all your input guys
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Re: 7 years in the waiting i get to start my 42" pompeii
G'day
Having a square entrance and 8 in flues are rarer than rocking horse poo in the sub tropics means my oven has a wide vent area. In fact the entrance is 18 in wide and the vent above is 20 ins wide and 5 ins deep. The chimney widens to 22 ins and another 1/2 in in width.
Near zero smoke can be achieved by lighting a top down fire under the chimney then pushing the hot fire into the cold oven. The neighbors can smell the smoke but can't see it.
One disadvantage is with a short chimney is that on a windy day sometimes the wind will push the hot air down the chimney and disrupt the oven breathing but that's a rarity.
If I built again even with an arched entrance to my oven I'd make the vent as wide if possible and no less than 3/4 of the width if I had to.
Regards dave
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