● Project · Below ground
Under slab waterproofing, Pymble PREFLEX 3000 project
PREFLEX 3000 laid across a basement floor at Pymble before the slab is poured. The membrane goes down first and the concrete goes on top.
- Where
- Pymble NSW
- System
- Below ground
- Product
- PREFLEX 3000
What was built
- PREFLEX 3000 sheet membrane over the whole basement floor, before the slab pour.
- Pits and set-downs lined in the same sheet.
The result. The membrane is down and ready for steel and concrete.


