BS 7021:1989

Code of practice for thermal insulation of roofs externally by means of sprayed rigid polyurethane (PUR) or polyisocyanurate (PIR) foam.

NORMA vydaná dňa 30.6.1989

The information about the standard:

Designation standards: BS 7021:1989
Note: NEPLATNÁ
Publication date standards: 30.6.1989
Approximate weight : 300 g (0.66 lbs)
Country: British technical standard
Kategória: Technické normy BS