The amount of wastage you should allow when ordering wood flooring is in the region of 8.
Waste allowance for hardwood flooring.
Calculate the waste amount with the following equation.
1000bf of rough kd lumber will yield 500 bf of flooring.
Yields will be higher when multiple flooring widths are used short flooring lengths are ok and lumber grades are higher.
Add the waste amount to your total room sqft to find the final amount of flooring you need to purchase.
He prefers the term cut allowance.
I once had a conversation with a good friend of mine in the hardwood industry wayne lee regarding waste.
Generally when you buy a home related product you expect it to be in perfect condition.
Waste amount total room sqft final square footage.
For solid hardwood flooring expect that as much as 5 percent of the material may be defective.
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.
For the most part straight lay installations would use a 5 waste factor by professionals.
To measure your room you need three very basic things.
150 sqft x 0 10 15 sqft.
A tape measure ideally 10m or 20m length.
In order to work out exactly in m 2 how much extra wood flooring you should order to allow for wastage you need to start by measuring your room.
Yields will be lower when green footage is used or when only 100 clear flooring is made.
The same would hold true of many 45º or other irregular wall lines.
Some of this defective material may be used while some may need to be discarded.
A typical yield for no 2 common will run about 50.