1. The document provides 15 engineering details for waterproofing structural elements using bentonite-based waterproofing systems. 2. The details show applications of CEMtobent bentonite membranes and Quellmax bentonite waterstops at joints for floor slabs, walls, foundations, pile caps, and other structures. 3. Proper installation techniques are emphasized, including adequate overlaps, protection layers, minimum concrete covers, and compaction for backfill.

1. Floor slab - wall 1
Konstruktive Detaillösungen / Engineering details
Waterreactive, hydrophilic waterstop
Joint - sealing waterbar / Quellmax
15 cm
60-80 cm
Fillet of
CEMtopaste
CEMtobent
Geotextile
Fillet of
CEMtopaste
Joint - sealing waterbar
Quellmax
CEMtobent
Geotextile 500 gr.
Copyright by CEMproof AG Switzerland
www.cemproof.ch / www.pflieger-systems.de
Dezember 2010 - All rights reseved
Subject to change without notice.
Errors and omissions excepted (EOE).
We assume no liability for typesetting and printing errors.
Structural waterproofing must be designed individually and object-related for each project according to the site requirements!

2. Floor slap - wall Single - face formwork 2
Konstruktive Detaillösungen / Engineering details
alternative Diaphragm-wall / bored pile-wall
Geotextile 500 g/m²
CEMtobent "high quality sealing membrane"
Fastening of the overlapping
CEMflex VB crystallisation steel plate waterstop
Blinding concrete bed,
concrete bedding,
thermo isolation board or
well compacted soil with
at least 95% proctor density
CEMflex VB or
Quellmax joint sealing
CEMtobent
Geotextile
Blinding concrete /
Shotcrete
Diaphragm-wall / bored pile-wall
Floor slab / Foundation
Wall
By using CEMtobent DS
the dark brown stripe shall
face towards the concrete
to be waterproofed!

3. Cold joint floor slab - floor slab 3
Konstruktive Detaillösungen / Engineering details
CEMtobent
Lean - / blinding concrete
cold joint sealing waterbar
Quellmax bentonite waterstop
CEMtobent
Lean concrete
Floor slab 2. section
Floor slab 1. section
Quellmax bentonite waterstop

4. Cold joint sealing wall - wall 4
Konstruktive Detaillösungen / Engineering details
CEMtobent
Geotextile
Wall 2.section
Wall
Backfilling
CEMtobent membrane
Geotextile 500 g/m²
in layers well compacted / compressed
minimum 250 Kg/m² compacting pressure / contact pressure
Wall 1. section Wall 2. section
Quellmax bentonite waterstop
Quellmax
bentonite waterstop
Backfilling

5. Pile caps 5
Konstruktive Detaillösungen / Engineering details
Blinding concrete
Blinding concrete
CEMtopaste special bentonite paste
Floor slab
CEMtopaste
CEMtobentLean concrete
Foundation / floor slslab
CEMdicht 3 in 1 crystalline
cementitious coating
CEMdicht 3 in 1 crystalline
cementitious waterproofing coating
- CEMtobent

6. Overlapping - Concreting 6
Konstruktive Detaillösungen / Engineering details
CEMtobent
Lean concrete
Betonier
Structural concrete
CEMtobent overlapping
Lean concrete
Structural concrete
CEMtobent (open side faces towards the structural concrete)

7. Rough edges 7
Konstruktive Detaillösungen / Engineering details
CEMflex-Omega holder
Distance 70 cm - 100 cm
CEMflex VB - steel plate
min.3cm
CEMtobent
Geotextile
Wall
Wall
Geotextile
CEMtobent

8. Expansion joint floor slab - floor slab 8
Konstruktive Detaillösungen / Engineering details
CEMtobent
CEMtobent 1 additional layer
CEM 423 elastic joint seal
Lean concrete
floor slab 1. section floor slab 2. section
rejointing
PVC expansion waterbar AD32 external
1layer additional CEMtobent
> 15 cm >15-20cm
jointoverlapping
CEMtobent
Lean concrete
PVC expansion waterbar AD32 external
1 additional layer CEMtobent
elastic joint seal
CEM 423 PU-seal
CEMtobent 1 additional layer
Floor slab 1. section
Floor spab 2. section

9. Backfilling 9
Konstruktive Detaillösungen / Engineering details
CEMtobent
Geotextile
Backfilling
Sheet pile wall
in layers well compacted
250 Kg/m² compacting
pressure / contact pressure
Backfilling
CEMtobent
Geotextile
Sheet pile wall
in layers well compacted
250 Kg/m² compacting pressure
Wall

10. Wall
CEMtopaste
Quellmax
all around
Fiber cement block-out or concrete drilling
on site
CEMtobent
Geotextile
Pipe penetration 10
Konstruktive Detaillösungen / Engeneering details
CEMtobent
Pipe penetrations shall be
designed above groundwater table
Fiber cement block-out
on site
Quellmax
CEMtopaste
Geotextile

11. Quellmax
CEMtobent
Geotextile
Wall/structuralconcrete
Light well
Rebar-
connection
Light well / Air ventilation duct 11
Konstruktive Detaillösungen / Engineering details
Quellmax
Coupler box
rebar connection system
CEMtobent
Geotextile
Backfilling
Min. 95% proctor density
in-situ concrete

12. Concrete roof sealing with bentonite liner 12
Konstruktive Detaillösungen / Engineering details
CEMtobent
Geotextile
Quellmax
Isolation Styrodur/Foam.
roof
Wall
CEMtobent CS
CEMtobent CS use is
recommended!
minimum load > 250 kg/m²
Quellmax
CEMtobent
Geotextile
Isolation
Styrodur/Foam
CEMtobent CS
with root-resistant layer
overlapping 25cm
minimum load >250kg/m²

13. Reinforcement 13
Konstruktive Detaillösungen / Engineering details
CEMtobent
Lean concrete
Structural Concrete
Floor slab
Spacing-strip should be
designed on top of the overlapping
Minimum 5 cm concrete cover should be secured by the spacers!
lower reinforcement
<-- direction of concreting
spacing-strip for reinforcement
on overlappingCEMtobent
Minimum 5 cm concrete cover should be secured!

14. Floor slab with thermo isolation 14
Konstruktive Detaillösungen / Engineering detail
CEMtobent
Quellmax
Thermo isolation board
Gravel
Proctor density 95%
Floor slab 1. section
CEMtobent
Gravel
Quellmax
Proctor density 95%
Thermo isolation board
Floor slab 2. section

15. Changeover bentonite system - bituminous system 15
Konstruktive Detaillösungen / Engineering details
CEMtobent
Geotextile
QUELLMAX
structural concrete
Wall
Ground level
>40cmmin.20cm
Overlapping
Wall sealing to DIN 18195 part 4+6
cementitious, bituminous
or liquid polymer / liquid membrane
Z-Profile
CEM 805
‘active‘
QUELLMAX
CEMtobent
Geotextile
Z-Profile
Sealing according to German DIN 18195
cementitious, bituminous
or liquid polymer / liquid membrane
Wall/structuralconcrete
structural concrete