Fosroc®Proofex Engage constructive solutions

Pre-applied waterproofing membrane conforming

to the requirements of BS EN 13967:2004 and British Standard 8102:2009 - Code of Practice for ‘Protection
BS8102:2009. Fr eshl y pour ed concr ete Of Structures Against Water From the Ground’ Classes 1,
mechanically bonds to the Proofex Engage, 2 and 3.
remaining in place if settlement of substrate
occurs Green Label Singapore Labelling Scheme - approved as
“environmentally preffered coating”
Uses

Waterproofing and gasproofing membrane for concrete

basements, liftpits, carparks and other water excluding Fosroc Ltd, Drayton Manor Business Park, Coleshill
structures. Proofex Engage can be used to achieve Road, Tamworth, Staffs, B78 3TL
waterproofing to Grades 1,2 and 3 as defined in BS 8102: 2009. DOP : UK9-56
0836 FPC 09/FO13
Advantages EN 13967:2012
Flexible sheets for waterproofing - Plastic and rubber
Unique mesh system allowing fresh concrete to damp proof sheets including plastic and rubber base-
mechanically bond ment tanking systems
Smart antitracking design prevents water tracking Class Type A and Type T
between membrane and concrete
Watertightness Pass
Simple and quick to install - no protection film to remove
Resistance to impact > 1.5m
 Basement waterproofing protection to grades 1, 2 and 3
as defined in BS 8102:2009 Dangerous substances Conforms with 5.17
 Methane and CO 2 protection as defined in BRE Resistance to static load 15kg
Report 212 Elongation at break L >140%, T > 120%
 Radon protection as defined in BRE Report 211 Tensile properties L > 9N/mm2, T > 7N/mm2
 BBA certification Water vapour resistance Pass
 Protects concrete from attack from chemicals, after ageing
hydrocarbons and aggressive ground salts in Resistance to tearing 720N (longitudinal)
contaminated sites Shear resistance of joints >220N lap, >150N butt
 Simple application - requires no primer or protection,
Water vapour properties Sd = 400m
and blinding concrete may be eliminated
Length 30m
 Inert product - no risk of a reaction with ponded water
prior to concrete being poured Width 1.27m
Membrane composition gives excellent flexibility Thickness 4-5mm
for detailing, combined with high durability and Specification clauses
toughness for site trafficking.
The waterproof tanking membrane shall be Proofex Engage,
Description consisting of a blended polyethylene / polypropylene
membrane incorporating a cell mesh, enabling freshly
Proofex Engage is a unique patented waterproof membrane poured concrete to mechanically bond to the membrane. The
system comprising a cell mesh bonded to a blended membrane shall be supplied with one self-adhesive selvedge
polyethylene / polypropylene membrane which allows poured to provide sealed laps and comply with British Standard 8102
concrete to interlock, forming a tenacious mechanical bond. 2009 - Code of practice for “Protection of Structures Against
Water from the Ground” to provide basement waterproofing
Proofex Engage provides water, water vapour and gas protection to grades 1, 2 and 3. The product shall comply
protection to water excluding structures and protects concrete with the requirements of BS EN 13967:2012, Type A and
from aggressive ground salts, chemicals and hydrocarbons. Type T, “Flexible sheets for waterproofing- Plastic and rubber
Proofex Engage is supplied with a self-adhesive selvedge along damp proof sheets including plastic and rubber basement
one side of the roll to provide sealed laps and a comprehensive tanking.” The product shall have a current British Board of
range of auxillary products to simplify the application process. Agrément Certificate.

Standard compliance

Independently certified performance, BBA certificate (No.

03/4042).

BS EN 13967:2004 - Flexible sheets for waterproofing- Plastic

and rubber damp proof sheets including plastic and rubber
basement tanking sheet. Type A and Type T.
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Fosroc® Proofex Engage

Properties

Test method Standard EN13967 Result

Requirement
Watertightness to liquid water EN 1928 Method A No evidence of water Pass
penetration Also ASTM D5385 passed at 69m
@ 6 m head
Resistance to static loading EN 12730 method B - 15kg
Tensile properties EN 12311-2 - Transverse:
(unreinforced membrane): > 10 Mpa / > 600% / > 600%
Tensile strength/ elongation at Longitudinal :
break/ elongation at peak load > 18 MPa / > 800% /> 800%
Tensile properties EN 12311-2 Transverse:
(composite sheet plus mesh): * Tensile strength based > 7 Mpa / > 120% / > 15%
Tensile strength*/ elongation at on sheet thickness Longitudinal :
break/ elongation at peak load > 9 MPa / > 140% /> 50%
Crack bridging ASTM C 1305 modified up to 5mm (100 cycles)
Durability of watertightness EN 1296 / EN 1928 - Pass
against ageing
Resistance to impact EN 12691 Method A - 1500 mm
Puncture resistance ASTM E154-08 672N
Resistance to tear (nail shank) EN 12310-1 - 720 N (longitudinal)
Reaction to fire EN ISO 11925-2 - Pass
Joint strength EN 12317-2 - >220 N (lap)
>150 N (butt)
Water vapour transmission EN 1931 - Water vapour resistance factor u
= 580000
Equivalent air layer thickness Sd
= 400 metres
Resistance to alkali EN 1847 / EN 1928 Watertight at 2kPa Pass
at 60kPa Pass
Length EN 1848-2 30 metres
Width 1.27 metres
Thickness 4 - 5 mm overall
Mass 1.54 kg/m2
Straightness <75 mm per 10 metre length
Visible defects Free from visible defects
Methane permeability BS903 Pt. A30 - 1.33E-17 m 2/sec/Pa
CO2 permeability Rilem Report 12 - <5.12 E -13m2/sec/Pa

Clarification of property values: The typical properties given above are derived from laboratory testing. Results derived
from field applied samples may vary.

constructive solutions
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 Fosroc® Proofex Engage

Application instructions in conjunction with Proofex Total Tape and Nitoseal MS60 are
recommended. Refer to Fosroc for more information on details.
Substrate preparation
Backfilling
Horizontal application - the membrane must be applied to
smooth, prepared substrate. Concrete blinding is preferred but Backfilling material must be free from sharp objects and debris
a well compacted granular fill is acceptable for a level subbase. that could damage the Proofex Engage. It should not contain
The substrate shall be free from loose aggregate or other sharp house bricks, blocks or boulders larger than 50 mm.
protrusions. Standing water must be removed to prevent
contamination of overlaps and subsequent compromise of Contaminated ground
waterproof properties.
Proofex Engage is suitable for use in many contaminated
Vertical application - the membrane is applied to temporary
ground applications eg hydrocarbons, salts etc. Consult local
or permanent formwork or adjoining structures.
Fosroc office for specific advice.
Proofex Engage must not be applied directly onto contiguous
or secant piled walls. A plywood sacrificial shutter or spray Ancillary products
concrete finish should be used prior to application. Proofex LM
A two component trowelable membrane for sealing around
Membrane installation intricate details such as pipe entries, penetrations, pile caps,
etc.
Cut the membrane to a convenient length for installation.
Carefully align the membrane and roll it out with the ribbed Proofex corner pieces
surface uppermost. Lay adjacent sheets accurately so they 125 mm internal and external corner pieces made from
overlap the previous sheet 80mm along the adhesive selvedge. polyethylene membrane with a 100 mm butyl selvedge.
When laying adjacent full rolls there should be a stagger of
half a roll length to avoid a build up of end joints in one area. Proofex “L” section
End joints and cut edges - Butt join the Proofex Engage This 10 m long x 250 mm wide section of polyethylene has 2
sheets onto Proofex Engage Detail Strip. The top surface butyl selvedge strips. It is used by bending at 90o along its length
of the join can be further sealed with a 40mm wide strip of for application between horizontal and vertical membrane to
Fosroc Polyurea WCS GG (extending a minimum of 20mm provide waterproofing continuity and it also connects with
either side of the formed joint), refer to separate datasheet. internal and external corner pieces.
Or a 100mm wide strip of Proofex LM reinforced with Proofex Proofex “L” section is supplied with a butyl “closure” strip at
LM Mesh or Nitoseal MB175 (extending 50mm either side of each end, if the “L” section is cut this strip must be replaced
the formed joint). with Proofex Engage Detail Strip or Total Tape.

Horizontal to vertical joints - Lap Proofex Engage onto Proofex Proofex Engage Detail Strip
“L” section and overseal with a 40 mm wide strip of Fosroc A double sided waterproof adhesive tape for sealing and
Polyrea WCS GG (extending a minimum of 20mm either jointing roll ends, cut edges and corner pieces. It consists of
side) or a 40mm fillet of Nitoseal MB 175 or a 40mm fillet of a strong synthetic fibre fabric impregnated and coated both
Proofex LM which may be reinforced with Proofex LM mesh. sides with a rubber bitumen adhesive, which is protected by
All overlaps and joints should be firmly rolled to ensure complete a removable siliconised paper.
adhesion between layers.
Proofex LM Mesh
Remove all release tapes with a short sharp pulling actin, A reinforced mesh used in conjuction with Proofex LM or areas
especially in hot weather. of extreme loading (covings, edges and pipe penetrations).
If cold or damp conditions prevail the selvedge adhesive,
Proofex Top Hat
Proofex Engage Detail Strip and Total Tape may be tackified
Waterproof pipe entry consisting of polyethylene / polypropylene
by gently warming.
membrane, which includes an aluminium foil layer.
Removal of formwork
Proofex Total Tape
Where the membrane has been applied to removable shuttering Used to adhere Proofex Top Hats to Proofex Engage and as
a closure strip to Proofex “L” section.
it is recommended that a minimum concrete compressive
strength of 10 N/mm² is reached before the formwork is stripped.
Nitoseal MS60
Used to seal between Proofex Top Hat and penetration pipe
Penetrations

Penetrations e.g., pipe entries through Proofex Engage, Fosroc Polyurea WCS Gun Grade
Used to seal between joints in Proofex Engage, around pile
require special attention to detail. Proofex Top Hat units used
caps etc.

constructive solutions Page 3

Fosroc® Proofex Engage

Fosroc Proofex Welding Rod

Used to seal overlaps in Proofex Engage whenever necessary. Fosroc Proofex Welding Rod
Pack Size: 2kg
Estimating Coverage: Nominally 40 lin m

Proofex Engage Storage

Roll size: 1.27m x 30m
Store in original unopened packaging, in cool dry conditions,
Coverage: 38.10m2 away from sunlight, in a flat position.
Roll weight: 58kg
Proofex ”L” section Proofex “L“ section should be stored vertically as supplied, in
Roll size: 125mm x 125mm x 10 m cool dry conditions. Do not distort or crush the coil.

Proofex LM Limitations
Pack size: 28kg
Coverage: 7m2 (at 4mm thick) For cold weather working below +5oC, Proofex Engage can
20 linear metres for a 40mm fillet normally be applied if the following additional measures are
taken; apply heat using a hot air blower to all adhesive tapes,
Proofex LM Mesh
store all materials in heated conditions and mix Proofex LM
Dimensions : 100mm x 50m (nominal) in heated conditions. In some cases a heated tented working
Proofex Top Hat area should be used especially where Proofex LM and Proofex
Diameter: 100mm 160mm self-adhesive membranes are used. Normal precautions for
330mm x 330mm 380mm x 380mm winter working should be adopted when placing concrete.
For high temperature/humidity climates, during installation
Proofex Total Tape
the membrane should not be left exposed for more than 6 to
Dimensions: 50mm x 30m 8 weeks. Please contact your local Fosroc Office for further
project specific assistance.
Nitoseal MB175
Pack size: 20 ltr Precautions
Coverage: 25m for a 40mm fillet Health and safety
Proofex Engage weighs approximately 60kg and should be
Nitoseal MS60 lifted by a minimum of three site operatives.
Supply: 380ml cartridge in boxes of 20
Fosroc Polyurea WCS Gun Grade For further information refer to appropriate Product Safety
Pack Size: 600 ml (2x300ml dual cartridge) Data Sheets available at www.fosroc.com.
Coverage: Nominally 3 lin m (60mm wide)

Important note :
Fosroc products are guaranteed against defective materials and manufacture and are sold
subject to its standard terms and conditions of sale, copies of which may be obtained on
request. Whilst Fosroc endeavours to ensure that any advice, recommendation specification
or information it may give is accurate and correct, it cannot, because it has no direct or
continuous control over where or how its products are applied, accept any liability either
directly or indirectly arising from the use of its products whether or not in accordance with
Fosroc Chemicals any advice, specification, recommendation or information given by it.
(India) Pvt. Ltd.
Head Office telephone fax e-mail
“Sapthagiri Palace”, No.38,
II & III Floor, 12th Cross, ++91 80-42521900 ++91 80-23551510 enquiryindia@fosroc.com
CBI Road, Ganganagar North,
Bangalore 560 024 Regional Offices

Chennai Mumbai Noida Kolkata

No. 26(old no.33), 1st Floor, 1401/1402, 14th Floor, D-166 Sector 10 304, Jodhpur Park
1st Street Postal Colony, A-Wing’The Great Eastern Summit’ Dist. Gautam Budha Nagar, Kolkata 700 068
West Mambalam, Sector-15, CBD, Belapur Noida, Ph:033-65343188
Chennai 600 033. Navi Mumbai 400 614 UP 201 301 Fax: 033-2499-0280
Ph: 044-24899949-94 Ph: 022-43406800-04 Ph:0120-4270620-21
Fax: 044-24896641 Fax: 022-27562423 Fax: 0120-4270622

www.fosroc.com

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