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The FORSPEC Brief01Nov 2026Screeds on balconies
● The FORSPEC Brief

Issue 01. November 2026.

11 stories from the month in building and waterproofing.

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Main story

FORSPEC 3D drawing of a balcony build-up: concrete slab, membrane turned up the wall and into the outlet, screed over the membrane and tiles on topMain story · Building codeScreeds on balconies: what NCC 2025 changes, and what it does notOn apartment and commercial jobs the fall now belongs in the slab and the membrane goes straight on it. A screed is not banned, but where it sits has changed.

In this issue

  1. BIOSET after 20 days under water: the resultsTiling & screeds2 min read
  2. ACTFLEX 989 CWP data sheet Revision 3: what changedProducts & tests1 min read
  3. Moisture in concrete: how dry is dry enough?Concrete2 min read
  4. 33 waterproofing details, free as PDF and DXFProducts & tests2 min read
  5. NCC 2025: eight changes for balconies and roofsBuilding code2 min read
  6. Flood testing: what the standards sayWet areas2 min read
  7. Puddle flanges: what AS 3740 requiresPlumbing2 min read
  8. Two concrete tanks wrapped in ACTFLEX 5000On site1 min read
  9. AS 3740: seven shower rules that get missedWet areas2 min read
  10. FORZAFLEX torch-on: three sheets, three test reportsProducts & tests1 min read
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