Home > Products > Moulding > Window Sill & Nosing > PVC Window Nosing [1-3/8″ x 1-5/16″] PVC Window nosing measures 1-3/8″ x 1-5/16″. Sold by the linear foot up to 17′ pieces. This item goes with the PVC Window Sill. Add to basket for Quote * Please select length and quantity to add to basket for quote.