The Building Regulations (Northern Ireland) 2012

PART B N.I. Materials and workmanship

Interpretation N.I.

22.  In this Part—

“Harmful substances” includes fumes and vapours; and

“Relevant work” means—

(a)

the erection of a building;

(b)

the structural alteration or extension of a building;

(c)

the provision of any service or fitting; or

(d)

the backfilling of any excavation carried out in connection with (a), (b) or (c).

Fitness of materials and workmanship N.I.

23.  In any relevant work—

(a) the materials used shall—

(i) be of a suitable nature and quality in relation to the purposes for and the conditions in which they are used;

(ii) be adequately mixed and prepared;

(iii) be applied, used or fixed so as adequately to perform the functions for which they are designed; and

(iv) not continue to emit any harmful substance longer than is reasonable in the circumstances; and

(b) the standards of materials and workmanship need be no more than are necessary to—

(i) secure the health, safety, welfare and convenience of persons in or about the building; and

(ii) further the conservation of fuel and power.

Urea formaldehyde foam N.I.

24.—(1) Subject to paragraph (2), in-situ foamed urea formaldehyde shall not be used in the erection, structural alteration or extension of a building.

(2) In-situ foamed urea formaldehyde may be used for filling the cavity of a cavity wall having an inner leaf constructed of bricks or blocks, provided that it is—

(a) suitable for such an application; and

(b) satisfactorily installed.