Guide · For the trade
80 20 wool carpet: what the blend does and when to specify it
80 20 wool carpet is 80 percent wool and 20 percent nylon spun into one yarn: the wool gives the hand, the matte color and the natural flame resistance and the nylon adds tensile strength so the yarn resists abrasion and pile crush on stairs and in halls. It is the standard blend for Axminster and for most woven Wilton stair runners and it is the right spec wherever 100 percent wool would wear at a nosing or a doorway. For a bedroom or a formal living room, 100 percent wool is still the softer and more forgiving choice.
This is the guide for the designer deciding between wool and a wool blend on a spec sheet. It covers what the ratio means, where the nylon earns its place, the other blends in our catalog, the honest downsides of wool and the questions clients ask.
What 80/20 means on a spec sheet
The ratio is by weight of the pile yarn. In an 80/20 the two fibers are blended before spinning, so every tuft carries both; the nylon is not a separate yarn and does not show. The blend came out of the British woven-carpet mills, which found that a fifth of nylon added years of abrasion life to a wool yarn without changing how it took dye or felt underfoot and it is now the default pile for commercial Axminster and the better residential Wiltons. Every one of the 58 Axminsters we carry is a wool-nylon blend and the blend runs through Prestige Mills, Couristan, Bloomsburg, Stanton, Rosecore, Kane woven lines.
Is 80/20 wool carpet good? Where the nylon pays off
Yes, for the places where carpet wears. A stair nosing, a hall, a landing, a dining room where chairs scrape, a family room with a sectional that gets dragged: in all of these the nylon keeps the tuft tips from fraying and the pile from matting. Wool alone is resilient, meaning it springs back from a footprint, but it is not especially abrasion resistant; the nylon covers that gap. The blend still reads as wool. It takes dye the same way, it does not shine and it carries wool's natural resistance to flame, so a woven 80/20 is self-extinguishing and typically tests Class I on the radiant panel. What you give up is a little softness and nylon holds oily soil more readily than wool.
The blends we carry, compared
| Blend | Typical construction | Hand and look | Specify it for |
|---|---|---|---|
| 100% wool | Tufted, hand-loomed, Wilton | Softest, most matte, hides soil best | Bedrooms, living rooms, low-traffic formal rooms |
| 90/10 wool-nylon | Wilton, tufted | Reads as wool; slightly firmer | Living rooms with children, upper halls |
| 80/20 wool-nylon | Axminster, Wilton, stair runners | Wool look, firm tuft, holds a nosing | Stairs, halls, dining rooms, hospitality |
| 55/45 to 50/50 | Tufted cut pile, hand-loomed | Firmer, brighter, easier to clean | Family rooms, playrooms, rentals |
| Wool with Tencel or viscose | Hand-loomed, hand-tufted rugs | Wool with a sheen stripe or highlight | Bedrooms and formal rooms only |
The catalog filter for wool blend holds about 1,200 styles across broadloom and rugs and the wool broadloom category another 1,400 in 100 percent wool, so the decision is rarely forced by availability. Bear in mind that the Tencel and viscose blends in the last row behave as viscose does: they stain with water and are not for traffic, however much wool is in the mix.
What are the downsides of wool carpet?
Four and a blend answers two of them. Wool costs more than nylon or polyester and blending does not change that much because the wool is still most of the yarn. Wool is attractive to clothes moths in dark, undisturbed places and the mills treat for it, but a closet or a corner under a sofa should be vacuumed; nylon in the blend does not deter moths. Wool sheds loose fiber for the first few months of a tufted or hand-loomed installation, which the shedding guide explains to clients; woven 80/20 sheds less because the pile is locked in the weave. And wool absorbs water-based stains if they sit, so red wine is blotted the same evening. The blend's contribution is on wear and on shedding, not on cost or on stains.
What is the disadvantage of 100 percent wool carpet on a stair?
The nosing. Every step concentrates the foot on a 2 inch band at the edge of the tread and a pure wool cut pile fuzzes and thins there within a few years in a busy house. A woven 80/20 Wilton or a dense wool-nylon loop holds that edge for the life of the carpet. This is why the wool stair runner guide points most projects to a blend and why a 100 percent wool runner belongs on a guest stair or a formal front stair with little daily use.
What is the highest quality wool carpet available?
Quality in wool carpet is the fiber, then the construction, not the percentage. New Zealand wool is the whitest and finest for clear, light colors and British and other long-staple wools are stronger for dark, dense weaves; the New Zealand wool guide covers the difference. A woven Wilton or Axminster at a high pitch in a long-staple wool, blended or not, outlasts a tufted carpet in the same yarn. For a client who asks for the best, the answer is a densely woven wool or 80/20 from one of the European or British mills we carry, in the pile height the room can take.
Wool blend rugs
The same logic applies to rugs. A hand-loomed or hand-tufted wool-nylon rug in a hall or an entry resists tracking better than wool alone; in a bedroom there is no reason not to use pure wool, silk or a wool-silk blend. Any wool blend broadloom in the catalog can be cut and bound as a custom size rug in 3 to 5 weeks, which is the fast route to a 12x18 wool-look rug for a family room.
Questions designers ask
Is 80/20 wool carpet good?
It is the trade standard for woven carpet that has to wear: Axminster, Wilton and stair runners. It looks and feels like wool, resists abrasion and crush far better and keeps wool's flame resistance. In a bedroom the nylon is unnecessary but does no harm.
What is the highest quality wool carpet available?
A densely woven Wilton or Axminster in a long-staple New Zealand or British wool, pure or 80/20, from a European or British mill. Judge by the wool, the pitch and the weight on the spec sheet, not by the absence of nylon.
What are the downsides of wool carpet for a client?
Cost, moths in undisturbed dark areas, early shedding on tufted goods and sensitivity to water-based stains left to sit. A wool-nylon blend improves wear and shedding; it does not change the other three.
What is the disadvantage of 100 percent wool carpet?
It wears faster at edges and nosings than a blend, so it is the wrong spec for a busy stair or hall. Everywhere else its disadvantages are the same as any wool: price and the care notes above.
Does an 80/20 wool carpet still qualify as wool for a fire or emissions spec?
For flammability, yes in practice: woven 80/20 is self-extinguishing and the mills we carry publish Class I radiant panel results on their Axminsters and Wiltons. For emissions, check the style's Green Label Plus certificate; it is issued by style, not by fiber.
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