For the most part, straight lay installations would use a 5% waste factor by professionals. However, if you get into larger layouts and there are many parallel wall lines the waste factor should be increased to 7-10% especially with wider material. The same would hold true of many 45º or other irregular wall lines.
The safest waste percentage would be 10%. It's also better to have a few boxes on hand in case of repairs that may be needed down the road. With prefinished hardwood floors, lines are discontinued now and then, or the manufacturer has changed the way they mill the product. Finding matching material often becomes impossible.
This product demonstrates an ability of the Products Properties Extension multidimensional plugin Pro to use attributes for area and price calculations.
This product uses the Smart Price plugin Pro to calculate and display the cuts and wastage cost. If you do not use the cuts and wastage, you do not need the Smart Price plugin Pro for this example.
Learn more about the configurations and features used in this example.
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