Today, 12cm boards are considered the standard width for wide planks, however “wide cuts” can also be found in more robust sizes such as 15, 20, and 25cm. Note: if you choose to use extremely wide plank sizes (such as 15 and 25cm planks), you’ll likely be limited to the types of hardwood species you can choose.Click to see full answer. Also, how wide are floorboards?A wide flooring board is usually defined as anything as wider than 5-6 inches. Some options are much wider than that, however: The widest boards are typically 10-12 inches (custom projects may go beyond that, but this is rare). Wide boards also tend to have correspondingly long lengths, too – 7 to 10 feet at the least.Similarly, what is the most popular width of hardwood flooring? For around a century and a half, narrow plank flooring has been the most popular choice in hardwood flooring. This style uses floor boards that are typically 2 ¼ or 3 inches wide. Since this narrow style has always been easier to mass produce, it has also become a standard look for hardwood flooring. Similarly, how wide should wood floor planks be? Wide plank flooring starts at about 5 inches wide and can go up to as much as 12 inches wide, depending on the wood and the manufacturer. Narrow plank floors tend to run somewhere between 2 and 4 inches in width.Do wide floorboards make a room look bigger? Big rooms. In big rooms you can normally get away with either narrow or wide wood floor boards, but ironically, while wide boards will make a small room look bigger, they can also make a big room seem smaller.