On May 2, 10:32*am, gonjah gonjah.net wrote:
On 5/2/2012 12:30 PM, dpb wrote:

SNIP

I have to respectfully disagree but thanks anyway.

You disagree all you want with dpb (respectfully or otherwise)
but based on my similar experiences with older homes (tile floor, bath
tubs, etc)........ his analysis is "spot on".

good luck

let us know how it all turns out

cheers
Bob

PS my home is 81 years old (I've owned it for 33 years) and I have
never had to mess with the vents