Brushcrete constructive solutions
Acrylic Polymer for concrete & masonry
Uses Application Instructions
Brushcrete polymer in conjunction with cement provides a Surface Preparation
seamless waterproof coating to concrete and masonry surfaces.
Prior to application of Brushcrete, surface must be prepared
It can be used as a waterproof or protective coating.
as mentioned below to avoid failure :
Advantages
The surface shall be cleaned to remove all dust, foreign matters,
Can be applied in uniform thickness to horizontal and loose materials or any deposits of contmination which could
vertical surfaces. affect the bond between the surface and the coatingThis can
be done by scarifying, grinding, water blasting, sand blasting,
Develops excellent bond to most building materials.
acid washing or by any other approved method.
Improves mechanical & physical properties of the
New flat surface like sub-base concrete shall be made reasonably
coating system when used in conjunction with cement.
smooth so as not to impede the application of Brushcrete coating
Reduces or prevents salt penetration into concrete. and to avoid sharp projections.
Resistance to ultraviolet light or by chemicals ranging All concrete surfaces shall be thoroughly pre-wetted for at
from mild acids to strong alkalies. least one hour prior to the application of Brushcrete coating by
pouring water on flat surface or by vigorously spraying water
Is highly impermeable in continuous wet condition.
on vertical/inclined surfaces. Ensure that surface is only damp
Is non-flammable and does not give off toxic gases, during application of Brushcrete coating.. In no case there
when exposed to fire. should be standing water or a shiny wet surface.
Non toxic Depressions are filled and leveled using Brushcrete. For filling,
the mixing ratio is 1 kg cement:1.5 by silica sand and 0.5 kg
Description
Brushcrete.
Brushcrete is a single component acrylic based polymer when
Mixing
blended with cement forms a composite polymer modified
cementitious waterproofing system, when used in conjunction Brushcrete Polymer is mixed with neat cement in the ratio of
with fibre mesh forms a tough hard wearing surface. 100 kg cement:50 kg of Brushcrete. The mix has to be stirred
thoroughly until no air bubbles remain in the mix. Any lump
Technical Support
found in the mix should be removed.
The company provides a technical advisory service supported
Application
by a team of specialists in the field.
The mix has to be applied by brush on rendered sound prepared
Properties
surface. Two or more coats are recommended. First coat should
Pot life : 20-30 min. at 30oC be allowed to dry for 5-6 hours. The surface should be made
Mixed Density of : 2.1-2.2 g/cc. wet before application in case of porous substrates.
brushcrete topping equipment immediately after use with clean water. Hardened
Colour : White liquid material can be removed mechanically.
Application temperature : > 10oC <35oC Curing
Bond strength with concrete : > 1N/mm2 During the first 12 hours of curing, it must be protected from
abrasion, rain and other adverse conditions. No traffic shall be
Areas of Application : allowed on a Brushcrete treated surface within 48 hours after
application. After application of final coat of Brushcrete, initial
Waterproofing of toilets, terraces, water retaining structures.
air drying shall be done for 2-6 hours. During this period no
General cementitious render water is to be used for curing. In case of high temperature and
low humidity combined with high wind condition, the coating
shall be covered with polythene sheet to avoid rapid drying
of the coating. After maximum period of 6 hours of the final
Brushcrete
application moist curing shall be done for the next 24 hours
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Brushcrete
by way of spraying water on Brushcrete coating. During this Brushcrete Topping
period at no point of time should the Brushcrete coating be left
Mix Proportion : 100 kg cement : 50 kg Brushcrete
completely dry or submerged in water. Following moist curing,
the Brushcrete coating shall be allowed to air dry for 3 days Material Quantities of Material
before submersion in water if required for use in Kg for
Cleaning One cubic meter 1sq.m for 1.5mm
thickness
Brushcrete should be removed from tools and equipment
immediately after use with clean water. Hardened material can Cement 860 1.30
be removed mechanically.
Brushcrete polymer 440 0.70
Estimating
Fine Silica Sand 860 1.30
Packaging
Total Weight in kg 2160 3.30
Brushcrete is supplied as a package of 5L, 10L, 20L & 50L
Storage
container.
Brushcrete has a shelf life of 12 months if unopened containers
Yield/Coverage
stored in cool dry place.
Brushcrete Coating/Slurry
Precautions
Mix Proportion : 100 kg cement : 50 kg Brushcrete
Health and Safety instructions
Material 1 coat on concrete 2 coats on concrete
Brushbond is non-toxic. Gloves and goggles should be worn.
Kg/m2 Kg/m2 Any splashes to the skin or eyes should be washed off with clean
Cement 0.50 0.75 water. In the event of prolonged irritation, medical advice should
be sought. Should use a dust mask while handing the powder.
Brushcrete 0.25 0.38
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
Fosroc Chemicals directly or indirectly arising from the use of its products whether or not in accordance with
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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