Doing a room takes about 45 minutes to an hour, and will leave you a fresh concrete surface that can be sealed, or preferably, epoxy coated for a good looking, basically bombproof floor.  

I think though am not sure that you can seal solid wood better than you can engineered as far as pouring two coats of poly on it after installation.

Pays for itself after a few years where you would have needed to do a yearly re-seal anyway.http://www.graniteshieldproducts.com/catalog/item/7759781/8279265.htm

I was redoing one of the hardwood floors in the house and in the end, double sealed the countertop with a coating of clear Varnathane in addition to what the kit contained.

I am in the process of fixing this by replacing the vapor barrier with new plastic sheathing, replacing the fiberglass with foam boards, and air sealing the entire crawl including the exterior vents, and creating an air tight and insulated entrance door.

Get shellac (and a special respirator) to seal in the smells.

You never know if used Windows have seals broken.  

(I won;t go into the limited exceptions here)  The CA legislators felt like it was unfair to the tenant to have disputes with the current landlord impair their right to get credit and future housing, so they made essentially sealed these cases from public view.This will have two impacts.  

I want to replace my recessed lighting with LED retrofit kits as part of the air sealing I'm doing before insulating my attic.

And I of course I love my area, so if you want to know anything about my neighborhood here in Seal Beach, please ask away.