KPSI (knots per square inch) is density—coarse rugs may be ~40–80 KPSI while fine rugs can be ~400–800. Rug repair must match density or the patch will sit raised, sunken, stiff, or loose.
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KPSI (knots per square inch) is density—coarse rugs may be ~40–80 KPSI while fine rugs can be ~400–800. Rug repair must match density or the patch will sit raised, sunken, stiff, or loose.