Compliance & Comparison of Limited Combustability Sarking
NCC 2019 Volume 1
Part C1.9
(e) The following materials may be used wherever a non-combustible material is required:
(vi) Sarking-type materials that do not exceed 1 mm in thickness and have a Flammability Index not greater than 5.
(vii) Bonded laminated materials where—
(A) each lamina, including any core, is non-combustible; and
(B) each adhesive layer does not exceed 1 mm in thickness and the total thickness of the adhesive layers does not exceed 2 mm; and
(C) the Spread-of-Flame Index and the Smoke-Developed Index of the bonded laminated material as a whole do not exceed 0 and 3 respectively.
NCC 2022 Volume 1
PART C2D10
(6)The following materials may be used wherever a non-combustible material is required:
(f) Sarking-type materials that do not exceed 1 mm in thickness and have a Flammability Index not greater than 5.
(g) Bonded laminated materials where—
(i) each lamina, including any core, is non-combustible; and
(ii) each adhesive layer does not exceed 1 mm in thickness and the total thickness of the adhesive layers does not exceed 2 mm; and
(iii) the Spread-of-Flame Index and the Smoke-Developed Index of the bonded laminated material as a whole do not exceed 0 and 3 respectively; and
(iv) when located externally, are fixed in accordance with C2D15