We replaced our airtight sheet metal no-longer-legal-but superior stove with a "modern" contrivance (stove) because age took its toll ie it burned out. With the new "modern" contrivance (stove) we then got a big rust streak down each side of the roof below the stack. Oxalic acid removed the...
Looking at vinyl windows the question came up of how much the % of recycled vinyl used affects the structure quality.
The question in my mind is just how is the recycled stuff incorporated into the product? Is it just a ground up filler? Or does it get re-polymerized? If the latter there...
