KubitDocs · Legislation

BS 5250:2021 — Management of moisture in buildings. Code of practice

Provisions the documents cite: vapour control layers, ventilation of voids and the avoidance of interstitial condensation; cited by title only

What it requires

The moisture-management code that decides which side of the insulation the vapour control layer sits and how voids are ventilated. The checklists cite it for the vapour control layer position and lap sealing.

How this entry is kept current

  • Citation status: carried from drafting; a source check is in the monthly scan queue.
  • Watched by: BSI product record check each scan.
  • Automated scan: no public page to watch; checked by hand in the monthly review.

Every source is re-checked monthly and the result is published in the scan log. A change that alters what a document should say raises a revision, and past buyers of that document are told.

The 3 documents that cite it

Every KubitDocs document prints its statutory basis on the form itself, so the person signing can verify the citation rather than take our word for it.

Insulation and airtightness quality checklists