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i have this in my basement not sure if it is mold does anyone know? :) Thanks

i have a 2.5 ton unit in my house. house is 2500 square feet, 1321 upstairs and 1130 downstairs. unit is in the basement with trunk line run in the basement with 6 inch cut off to all areas of the house. i am in the process of replacing horrible flex duct with hard duct to help and is making a...

If a concrete block wall is underground does it need insulation or is the ground sufficent? if not i understand that i shoud use to the styro foam insulation just to control moisture absorbtion can it just be glued to the block wall and then frame and drywall?

Hello everyone my mother in law asked me to post this question. When her gas furnace first comes on it makes a loud bang as if being hit by a hammer, sounds like metal.....any ideas? thanks:mad:

i have a house built in 1968 with a full basement i am remodeling. i have a small level of radon i would like to bust up the concrete and install a 4" pipe then exhaust up and out. So here is my question does anyone know if there might be a gravel bed under the slab built in 1968?:)

i was wondering about duct insulation. i know that it has to be insulated in an unconditioned area but does that include the space between the basement and the second floor? I had an accoustic ceiling but I will be hanging a drywall ceiling (fun huh) so if i have metal duct between floors does...

I think that I have some mold or mildew in my basement. i have been ripping out walls and insulation there is a black discoloration on the insulation and on the studs but there is not any build up has anyone had any experience with this kind of problem at all and if so how should i clean the...

Hello everyone I am new to the forum and already finding good solutions to some of my problems I will be posting questions and thanks in advance for the help.