Becka - The liner is waterproof. However, because of the thickness of the liner and depending on how much use the counterop will get, the long term performance may not be as good as a real countertop material. Also, the adhesive used for this liner is water soluble. Depending on how much water the countertop will be subject to might affect the adhesion. If you do decide to try the liner, the mounting surface must be clean, dry, and smooth. The overall performance of the liner as a countertop will have lots to do with the conditions of use of the countertop. Hope this helps. Thank you for your interest in CON-TACT BRAND Shelf Liner.
bk, Con-Tact Creative Covering does not contain DIDP nor does it have any prop 65 warnings.
how wide and how long
The roll was 18 inches wide, I only used half of it. I do not remember what the exact amount that was on the roll. The installation was very easy and looks great.
The Con Tact adhesive works best on a smooth surface. If the wall is textured, it may not adhere properly.
Off white cream-beige. Not white
The roll measures 20 feet long by 18 inches wide.
Maggie- This item is 18 inches wide and 240 inches long. So yes you would have to line up the edges. Hope this helps!