+10 those vinyl plank floors come in a variety of thicknesses and the thicker it is, the more it weighs. Adding insult to injury, when you buy the thicker product, you get less coverage per box. I used a relatively thin product and one box was plenty to do my Trillium
1300. I went as far as not piecing in floor planks, so each plank goes the full length of the main floor (creating more waste). Still it was enough.
I would not be surprised if the thinner stuff weighs no more than your original tile floor.
Boxes all tended to cost the same. So the thick stuff have you less coverage for the $$.
I would take up the original flooring if you are concerned about weight.
Allure is just one brand of many. I bought a Shaw product at Lowe’s.