New NHBC Basement Standard – 5.4 Waterproofing of Basements and Other Below Ground Structures.

Last week NHBC released one of their periodic ‘Technical Extra’ publications, and this edition exclusively deals with the waterproofing of basements and other below ground structures.

As I understand it NHBC have approximately 80% of the structural warranty insurance market, and so they have felt the effects of basement waterproofing failures more than any other.  More specifically, since 2005/6 they have spent within the region of £21m on remedial basement waterproofing. Continue reading New NHBC Basement Standard – 5.4 Waterproofing of Basements and Other Below Ground Structures.