There is a whole range of hand knotted ones from poorly made examples to exquisite ones.
What is a good knots per inch hand knotted carpet.
This is an example from a more detailed handmade carpet.
The easiest but the most deceptive of the rug quality indicators is the concept of kpi or knots per square inch kpi is calculated by multiplying the horizontal knot count times the vertical knot count in a one inch area of the carpet.
Kpsi stands for knots per square inch is measured on the reverse side of a hand knotted oriental rug.
On the backside of the carpet it is clearly visible how tight the knots are.
That means it would take a skillful weaver 6 480 hours to weave a 9 12 foot rug with a density of 150 knots per square inch.
A quick and easy way to get a close approximation is to throw a us quarter down on the rug.
A rug s knot count or knots per square inch kpi is the number of knots woven into it per square inch.
Rugs of this type are produced only using pure materials such as the following.
For example some countries use poor quality or highly processed wool for hand knotted rugs.
This term refers to the number of knots that are packed into an area of 1 sq.
The main measurement is kpsi knots per square inch similar to the pixels on a tv or computer screen the more pixel or knots the clearer and sharper the image.
Knot density is a traditional measure for quality of handmade or knotted pile carpets it refers to the number of knots or knot count per unit of surface area typically either per square inch kpsi or per square centimeter kpsc but also per decimeter or meter kpsd or kpsm number of knots per unit area is directly proportional to the quality of carpet.
Silk being an expensive material rugs of this type have a higher price.
This is typically measured by counting the knots on the back of a rug across a vertical and horizontal inch and multiplying the two numbers.
A good quality hand knotted rug can become a collector s item but this doesn t hold true for just any hand knotted rug.
A 12x12 rug would have 144 kpsi.
A rug can consist of 25 to over 1 000 knots per square inch.
Different varieties of oriental rugs use different types of knotting techniques as well as different knots per square inch which.
The main factors that determine hand knotted rug prices are their knot count and size.
Inch of the rug.
Hand knotted rugs will never be woven using synthetic materials like polypropylene nylon acrylic or polyester.
A skillful weaver is able to tie a knot in about ten seconds meaning 6 knots per minute or 360 knots per hour.
Hand knotted rug machine made rug hand tufted rug knots per square inch explained how knots per inch is counted.
Silk hand knotted area rugs that are woven from silk are stunningly luxurious.
Most oriental rugs range from 7 7 knot count to 16 16 with 9 9 being a popular average.