Corner to corner tolerance is less than 1/32″. Cut tile tite – perfect fit every time with seams that are virtually seamless. One truckload covers a football field and it would be as tight as a tile floor. Meets all vinyl manufacturers’ requirements Meets all Tile Council of America’s requirements Meets all North American Standards Lifetime Warranty – if underlayment fails, we will replace it 100% Premium Hardwood 5 Ply and 7 Ply 6mm and 9mm Exterior Grade Glue Meets or Exceeds Vinyl Manufacturer’s Recommendations