PROMASTOP® Cement

Penetration seals
 PROMASTOP® Cement
Penetration Seals

Description Mixing Instruction

A fire resistant, light weight cement supplied as a pre-mixed dry When mixed with 15 to 19 litres (kg) of clean water, the bag will produce
powder for mixing on site with water. This cement is white in colour approximately 25 litres of mix which will fill an area approximately
for ease of identification and provides up to a 4 hour fire rating in 0.63m2 at 40mm deep or 0.42m2 at 60mm deep.
masonry or concrete block walls and concrete floors when installed
as per the instructions on the bag and in this data sheet. This equates to approximately 1.3 x 20kg bags per m2 of clear opening
at 30mm deep or 1.7 x 20kg bags at 40mm deep (other usage depths
INSULATION on the penetrating services will vary depending upon can be calculated directly from these figures). The final yield will
the services that penetrate the barrier. PROMASTOP® Cement is depend upon the volume of water used. The figures given in this data
fire tested to BS 476: Part 20 and AS 1530: Part 4, with reference sheet are for guidance only.
to prEN 1366: Part 3: 1999.
PROMASTOP® Cement can be mixed to a consistency to suit the
For best surface finish use 2 : 1.33 (cement : water). application. For floors, if services are close together, a wetter,
“pouring” mix is preferable. For walls, it is always preferable to use
a dry, “packing” mix. The amount of water used will also depend on the
Feature Advantages
weather conditions at the time, but do not use a ratio of less than 2:1.
z Tested in floors and walls. The following may be used as a guide:
z Loadbearing. “Pourable” mix: 1.8 litres of water to 2kg of compound.
z Economical thin application. “Packing” mix: 1.35 litres of water to 2kg of compound.
z Quick setting. The mix will remain useable for approximately 30 minutes but this will
z Non-shrinking. depend upon the weather conditions and amount of water used. DO
z Readily drilled or penetrated for post installation of services. NOT attempt to remix by adding water after setting has commenced.

z Easy to mix to various consistencies. In some applications it may be necessary to provide bond breakers
z Hard surface finish. around services that may move as a result of natural building or thermal
movement. This can be achieved using PROMASEAL® IBS™ or plastic
film wrap. Always apply a bead of PROMASEAL® Acrylic Sealant at
Packaging the junction of the services and PROMASTOP® Cement. This provides
a smoke, water and movement seal.
PROMASTOP® Cement is supplied in 20kg bags, blended ready for
mixing with clean water.
Installation
Store in dry conditions. Shelf life 12 months in an unopened bag.
1. Floors
Technical Properties Install 50mm thick x 120kg/m3 mineral wool positioned such that
the top of the PROMASTOP® Cement will be flush with the top
Density (powder): 730kg/m . 3

surface of the floor slab. The maximum size of opening without the
2 litres of powder mixed with 1 litre of water = need to provide joints in the system is 1500mm x 600mm. It may
Approximately 1.66 litres of mix. be necessary to use temporary support for the mineral wool.
The mineral wool forms part of the system and MUST NOT BE
Workability period = 30 minutes from time of mixing*. REMOVED. Add PROMASTOP® Cement to the depth required to
Hardened within approximately 60 minutes*. achieve the desired fire resistance as follows:

Penetrating services include plastic pipes, steel pipe, cables and 1 hour 2 hours 3 hours 4 hours
cable tray and cable trunking. 30mm 30mm 40mm 40mm
*Setting and workability times will depend upon the amount of Cut the mineral wool to ensure that the rockwool formwork is tightly
water used, the cleanliness of the water and the climatic conditions. fitted within the aperture, otherwise temporary support for the
rockwool is required. This is to prevent the wet cement from
collapsing with the rockwool due to its weight when the cement is
poured onto the rockwool. For cable penetrations it is essential to
liberally apply PROMASEAL® Acrylic Sealant between the cables
where they are bunched and along their length where they pass
through the mineral wool formwork and the full depth of
PROMASTOP® Cement.
Apply a bead of PROMASEAL® Acrylic Sealant on the top side of
the mineral wool, at the junction of the mineral wool and slab and
around all service penetrations. Apply a bead of PROMASEAL®
Acrylic Sealant on the top side of the PROMASTOP® Cement, at the
junction of the PROMASTOP® Cement and slab and around all
service penetrations.
Continued on opposite page

PRECAUTIONS TO USE THE PRODUCT (LEFT):

Goggles, a suitable dust mask and gloves should be worn during
mixing and application. Before using, read and follow the Health &
Safety Data Sheet. This is available upon request.

2
 SC 80

PROMASEALfi Mortar
2. Walls
Install 50mm x 140kgs/m3 mineral wool in the centre of the wall.
The maximum size of wall opening without the need to provide
7
support of joints in the system is 600mm x 200mm. The wall
must be designed so that any construction above the opening
3
is self-supporting, i.e. it does not impose any load onto the
1 penetration seal.
The system is not for use in lightweight steel stud partition
walls. Where hollow blocks or cavity wall systems are used, the
cavities must be backfilled all round with PROMASTOP®
Cement or a mortar mix. Add 25mm thick PROMASTOP®
8
Cement to both sides of the mineral wool, to achieve a 4-hours
fire resistance (FRL -240/180).
To provide an insulated barrier system increase the thickness
of PROMASTOP® Cement to 50mm on both sides of the wall
2
(FRL -240/240).
Installa tion Method 1
Cut the mineral wool to ensure it is a tight fit within the opening
and around all services. For cable penetrations it is essential to
liberally apply PROMASEAL® Acrylic Sealant between the
cables where they are bunched and along their length where
6 2
they pass through the mineral wool formwork and the full depth
of PROMASTOP® Cement.
5
Apply a bead of PROMASEAL® Acrylic Sealant on both faces of
the mineral wool at service penetrations and at the junction of
the mineral wool and wall before installing the PROMASTOP®
Cement. After the PROMASTOP® Cement has been installed, at
the junction of the PROMASTOP® Cement and wall and around
all service penetrations on both faces of the wall, apply a bead
4 of PROMASEAL® Acrylic Sealant.
3
T E C H N I C A L D A T A
7
4 hours fire rating, integrity in accordance with the criteria of
1 BS 476: Part 20 and AS 1530: Part 4. Insulation achieved will be
dependent upon the building element and type of services.
8
Installation Method 2 1 PROMASTOP® Cement
Wall penetration = 25mm PROMASTOP® Cement + 50mm x
140kg mineral wool + 25mm cement
(FRL -/240/180. For FRL -/240/240 use 50mm of
PROMASTOP® Cement in lieu of 25mm.)
Floor penetration = PROMASTOP® Cement
(depth per table on opposite page) +
50mm x 120kg mineral wool
3
2 Electric cables and cable tray
8
3 Metal pipe
2 4 Plastic pipe with PROMASTOP® UniCollar®
mounted flush with underside of mineral wool
5 Armoured cable
1 6 Cable trunking and cables with
7 PROMASEAL® Electrical Junction Seal
Detail 1 Wall penetration 7 Wall element or floor slab
8 Mineral wool as in 1

3 4 2 5 6
NOTE: Load bearing tests have been carried out on PROMASTOP®
Cement. An unpenetrated floor opening of size 1000mm x 500mm,
with 100mm thick reinforced PROMASTOP® Cement achieved a FRL of
-/360/360 after which it successfully supported a load of 1000kg.
1 7
An unpenetrated floor opening of size 1000mm x 600mm, with 50mm
mineral wool and 40mm thick unreinforced PROMASTOP® Cement
successfully supported 7.56KN and a 70mm thick unreinforced
PROMASTOP® Cement supported 10.21KN (non fire tested, non
penetrated specimen). Due to the likelihood of building movement,
Promat recommend that on unreinforced floor systems, warning signs
are placed upon the system. A steel plate or similar should be placed
8 over the system if foot traffic is possible.

Detail 2 Floor penetration

3
 PROMASTOP® Cement
SC 80
Penetration Seals

Load Bearing Capabilities

Load bearing tests have been carried out on PROMASTOP® Cement. An unpenetrated floor opening of size 1000mm x 500mm, with 100mm
thick reinforced PROMASTOP® Cement achieved a FRL of -/360/360 after which it successfully supported a load of 1000kg.
An unpenetrated floor opening of size 1000mm x 600mm, with 50mm mineral wool and 40mm thick unreinforced PROMASTOP® Cement
successfully supported 7.56KN and a 70mm thick unreinforced PROMASTOP® Cement supported 10.21KN (non fire tested, non penetrated
specimen).
*Due to the likelihood of building movement, Promat recommend that on unreinforced floor systems, warning signs are placed upon the system.
A steel plate or similar should be placed over the system if foot traffic is possible.

1 PROMASTOP® Cement
2 Reinforced bars
1 12mm diameter steel

*If the quantity of penetrating

services prevent the use of a steel
plate, allowance for the inclusion of
steel reinforcement within the
construction is recommended.

More examples of installation shown here.

Important Notes

Promat product data sheets and health and safety data sheets are regularly reviewed and are available on request. The successful use of this product is dependent on a number of factors.
As the information contained in this literature can only be of a general nature, it is advisable to consult our technical department if there is any doubt about the correct use of this product in
a particular application. Our technical representatives and advisors are available to provide further technical and commercial assistance.

PROMASTOP® Cement is manufactured under a quality management system certified in accordance with ISO 9000: 2000 Certification and it has passed the site audit of ISO 14001 and in
accordance with the environmental standards of ISO 14001.

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© Promat International (Asia Pacific) Ltd. 04/2005

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