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sarking
sarking (ˈsɑːkɪŋ; ˈsærkɪŋ) n (Building) Scot and Northern English and NZ a timber or felt cladding placed over the rafters of a roof before the tiles or slates are fixed in place[C15: from verbal use of sark]sarking
sarking[′särk·iŋ] (building construction) A layer of boards or bituminous felt placed beneath tiles or other roofing to provide thermal insulation or to prevent ingress of water. sarking, sarking board1. A thin board for sheathing, laid under tiles or slating of a roof construction. 2. (Brit.) Same as underlayment, 2.MedicalSeeSark |