Regardless of the floor, the protective finish will play a large role in how scratch and stain resistant it is. Both hardwood and Rigid Core flooring are available with various types of protective finishes. Rigid Core flooring goes a step beyond hardwood though, and also has a transparent solid wear layer that protects against gouging and deeper scratches.
There are some characteristics that are common to each category: solid wood is more frequently site-finished, is always in a plank format, is generally thicker than engineered wood, and is usually installed by nailing. Engineered wood is more frequently pre-finished, has bevelled edges, is very rarely site-finished, and is installed with glue or as a floating installation.  Denver Hardwood Floor Install
Some benefits of wood flooring include ease of cleaning, durability, and style variety. Wood floors are much easier to keep clean than carpet and pet hair or dander is quick to remove. They are very durable and with proper care, they will look great for years to come. Plus, wood flooring is available in a multitude of styles and colors guaranteeing there is a look out there for a classic or contemporary home.
Solid hardwood floors are made of planks milled from a single piece of timber. Solid hardwood floors were originally used for structural purposes, being installed perpendicular to the wooden support beams of a building known as joists or bearers. With the increased use of concrete as a subfloor in some parts of the world, engineered wood flooring has gained some popularity. However, solid wood floors are still common and popular. Solid wood floors have a thicker wear surface and can be sanded and finished more times than an engineered wood floor. It is not uncommon for homes in New England, Eastern Canada, USA, and Europe to have the original solid wood floor still in use today. Denver Hardwood Floor Install
If your floor has noticeable scratches throughout, your best option is to sand down the floor and refinish it. A complete sanding removes scratches, but beware: This only works on real wood floors, not bamboo. If you have an engineered wood floor with a real wood surface, make sure the real wood surface is more than 1mm thick—sanding usually takes at least this much wood off the surface, so a thicker layer is required for a complete sanding. Denver Hardwood Flooring
116% harder than Red Oak (1) 12% harder than Red Oak (11) 123% Harder than Red Oak (4) 125% harder than Red Oak (2) 141% harder than Red Oak (2) 15% softer than Red Oak (2) 165% harder than Red Oak (2) 174% harder than Red Oak (5) 18% softer than Red Oak (1) 185% harder than Red Oak (4) 198 % harder than Red Oak (2) 2% harder than Red Oak (2) 2% Softer than Red Oak (1) 25% softer than Red Oak (1) 28% harder than Red Oak (1) 30% harder than Red Oak (8) 33% harder than Red Oak (2) 41% harder than Red Oak (7) 43% harder than Red Oak (1) 5% harder than Red Oak (8) 53% softer than Red Oak (1) 6% harder than Red Oak (14) 67% harder than Red Oak (5) 74% harder than Red Oak (2) 81% harder than Red Oak (2) 82% harder than Red Oak (2) 9% softer than Red Oak (1) about the same as Red Oak (7) Benchmark at 1290 on Janka Scale (37) Hardwood Floors