just had a quick question about clearance to combustibles. I had read if a shield is used it can reduce the 18" clearance for single wall stove pipe to 9 inches. Is this the clearance to the shield? Or to the combustible material behind the shield (and the 1" air gap)?
question regarding clearances to combustibles
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All clearances are from the pipe to the combustible material. The shield stands in the space between.
Don't know,,curious as I want to place a shield beside mine too, where I am at minimum clearance, just for safety.
Normally the shield is either a sheet of metal attached to the single-wall pipe with spacers or the sheet metal is attached to the wall on 1" spacers and open at the top and bottom. Not sure from this description if there are spacers and an air gap in place.
yes - there are 1" steel spacers on the screws holding the sheet metal an durock up. I just attached the sheetmetal to the durock for some rigidity (and maybe added protection?). The majority of the area shielded is the concrete blocks of the upstairs fireplace hearth.
Concrete blocks usually don't need shielding. Only combustible surfaces need protection. Maybe post a picture? You could be fine.
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