Base-Tect® System
- Abbreviation
- Appraisal number 1250 (2024)
- Valid from
- 16/04/2024
- Information provider
- BRANZ Limited,
- Information type
- BRANZ Appraisal,
- Format
- PDF,
Description
The Base-Tect® System, designed and installed by Markham Distributing Ltd, is a permeability-reducing system for concrete in basement installations.
The system is comprised of colloidal silica concrete admixtures, a spray-applied treatment, and butyl polymer-based gaskets.
Scope
1. The Base-Tect® System is a permeability-reducing system used to assist with the waterproofing of concrete for buildings of importance level 1-5 as defined by AS/NZS 1170.
2. Buildings with concrete using the Base-Tect® System must be the subject of specific design.
3. Concrete used in the Base-Tect® System must be supplied by a ready-mixed concrete supplier that is certified to the requirements of NZS 3104.