Will laying one layer over another be bad? I'm worried that the flue from the previous flooring will make the floor uneven. Thoughts or advice?
IF the glue from the 1st is very good, and the floor is in good shape(you just don't like it). It may work, but more often than not it will give the second floor too much flex and it will phuquer up on you. It is always best to start off with a clean slate for flooring. If you are going to take the time to change to change it out, take the time to do it right.
that is not recommend at all...tear it up and start over
not a good idea for several reasons. 1) manufacturer won't warranty the product. 2) it will lock in and bleed through any potential mold. 3) new flooring will eventually conform to old flooring embossing. you need to pull the toilet , install new 1/4 luan over the old flooring then install your new flooring and re-set the toilet.......that's the common practice.....
The best thing to do is to take up the old and to put a quarter inch piece of plywood down to level it out. If you leave the old down, it will be lumpy and uneven...been there- my husband lived and learned this one.Its alot of work and mess bt it'll be worth it to not have partially sunken floors...
You r right , i do not advise to flooring vinyl sheet over another because ..Vinyl flooring is destructible, can have snag and rip it , if there's even the slightest void in the subfloor beneath it. With sheet vinyl, eliminating damage requires fusing the surface or patching in new material. Small cuts and scratches can be permanently fused with liquid seam sealer, a clear compound that's available wherever vinyl flooring is sold. Clean the area with a soft cloth that's dipped in lacquer thinner, then squeeze in a thin bead of sealer. After the sealer has dried, the repair will be virtually invisible. For tears or burns, you'll have to cut out the damaged area and glue in a replacement patch; this type of work requires an extra piece of identical flooring and a technique called double cutting ...Now You r ready for new flooring .... Hope u will enjoy your new vinyl flooring.