Yarn manufacturers assign each lot a unique identification number and stamp it on the label before shipping.
Carpet dye lot variation on stairs.
James most carpet manufacturers find that a given production can be within 10 heavier in shade than the manufacturer s standard and another production run of that same style color carpet be within 10 lighter in shade than the manufacturer s standard and both still be well within the acceptable range of dye lot variation even if the actual difference in shade between the two productions.
A dye lot is a record taken during the dyeing of yarn to identify yarn that received its coloration in the same vat at the same time.
Stairs are the most common place in the home to have carpet and yet they are also the trickiest.
Technically bleach does not stain a carpet.
Bleach spots create areas of yellow white or a much lighter version of the original dye on the carpet which can detract from the beauty of the room.
The color difference can vary from being barely noticeable to glaringly off color.
Choosing carpet for the stairs can be a bit more difficult than choosing carpet for other areas of the home.
Slight differences in temperature dyeing time and other factors can result in different shades of the same color between different dye lots of.
A slight color and or texture variation is normal particularly with wool carpet as it s a natural fiber and will vary its color naturally.
It s called dye lot variation and it s quite common.
Any two carpet tiles facing in different directions will appear to be slightly different colors.
Mix carpet tiles from different packs to account for dye lot variations.
This is because in addition to having to decide on carpet style and color the carpet has to be of appropriate durability and thickness to be installed on the stair.