1. Loft and cavity wall insulation ;

2. 17 Incidentally, cavity wall insulation should be impermeable to water vapour, or interstitial condensation can occur.

3. The microphone also picks up background acoustic waves caused by the laser light beam going trough the cavity wall.

4. Dry gauze was applied to clean the fiberboard on the thoracic cavity wall so as to remove pus mosses. Sentencedict.com

5. Machinery and tools for the manufacture and installation of all of the following: packing, stopping and insulating materials, substances for insulating buildings against moisture, insulating fabrics, insulating felt, insulating materials, insulating oils, insulating paints, insulating paper, insulating plaster, insulating tape and band, insulating varnish, insulators, blown insulation materials, rolled insulation materials, mineral fibre, granulated cavity wall insulation materials, acoustic insulation materials