Could you please tell me what calculation you use to come up with 3.5?
I,m trying to figure this EPD stuff out and I have no clue as to how they come up with the, say, +40, - whatever. Thanks for any responses that help this challenged person
Dick
I posted this on another forum so I thought I would try here too and see if I can get as many tips as I can
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Learned something the hard way this past winter with all the rain weve had. When I bought this place, all...