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Waterproofing for Water Retaining structures

Weathercoat GP is a high quality two-component, elastomeric, versatile
and permanent waterproof coating suitable for use in areas with extreme
climatic conditions. Weathercoat GP is specially formulated for water
retaining structures for e.g. swimming pools & potable water tanks.

PROPERTIES
Weathercoat GP is an elastomeric, polymer
modified cementitious waterproof coating, supplied
in two components, as a liquid resin and powder to
be mixed on site before application.

Weathercoat GP Resin
Based on advanced acrylic resins, miscible with
Portland cement and cement-based materials in
various proportions, high resistant to alkalinity.
Weathercoat GP resin is also suitable as an additive
to mortars and screeds to increase their tensile,
compressive and flexural strengths and reduces their
water cement ratio.

Weathercoat GP Powder
Based on special hydraulic cements, precisely
graded fillers, wetting agents and adhesion
promoters.

Advantages:
- Easy to mix and apply
- Application by brush or spray
- Pot life of more than 2 hours at ambient
temperature
- Excellent adhesion to dimensionally stable
concrete/render
- Seamless permanent coating
- Vapor permeability – allows substrate to breathe
- High UV and weather resistance
- Low temperature flexibility
- Excellent water impermeable coating under tiles
- Suitable for concrete potable water tanks
- High flexibility
- Non-toxic

AREA OF USE
Suitable for waterproofing of most building surfaces
but especially where crack bridging and a high
degree of waterproofing and protection is required
such as for:

- Potable water tanks, retaining concrete tanks,
reservoirs
- Swimming pools
- Under-tile waterproofing
- Fish ponds, decorative ponds
- Planter boxes
- Concrete roofs (exposed and under tile
application)

CURING & DRYING
Curing and drying times depend on ambient
temperatures, atmospheric humidity and thickness
of coating.Protect surfaces from wind and direct heat during
application and curing. Do not apply in humid
conditions >80%.

Weathercoat GP will be surface dry in less than 3
hours at 30°C.Allow first coat of Weathercoat GP to dry for a
minimum of 6 hours before over-coating.


Weathercoat GP should be left to cure for at least 7
days before water flood testing.
For potable water tanks and fish ponds to prevent
contamination of the water, after curing for 7 days,
the surfaces of the Weathercoat GP must be
thoroughly rinsed off with clean, cool water. Repeat
the rinsing cycle until the required pH level has been
reached.Tiling work should be commenced after minimum 3
days of Weathercoat application.
Protect surfaces from wind and sources of direct
heat during application and curing.

Note:
Do not add water to adjust or re-temper the mix.
For bulk mixing, mix only required kits of
Weathercoat GP that can be used within its pot life.

LIMITATIONS
Do not apply during rising temperatures to avoid
the risk of outgassing resulting in pin-holing. Do not
apply on bituminous coatings. For exterior areas, do
not apply if rain is likely over the next 24 hours.

PACKAGING & STORAGE & SHELF LIFE
Weathercoat GP Resin is supplied in 5kg jerricans.
Weathercoat GP Powder is supplied in 15kg paper
bags. Weathercoat GP Kit is supplied in 20kg pails
(5kg resin in a jerricans, 15kg powder in a paper bag
and 0.25kg Terrabond A in a bottle).

When stored in their original sealed packaging in a
clean, dry area and protected from high humidity,
moisture, direct sunlight and extreme heat and
cold, shelf life is at least 12 months. Use oldest
material first.

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3. WEATHERCOAT GP WATERPROOFING FOR WATER RETAINING STRUCTURES For further details visit: www.terraco.com V. 11 .201 8 - Issued by Terraco Technical Centre, Ireland for Terraco UAE Ltd. TECHNICAL DATA Colour Grey and natural white. Specific Gravity 1. 75 + 0.05 pH 11 - 13 Pot Life at 30 o C 2 hours Overcoat Time at 30 o C 6 hours Adhesion Strength (ASTM D 4541:2002) > 0.75 N/mm 2 Water quality test (BS 6920:2014) Complies with the requirements and suitable for use in contact with potable water. Elongation >25% Crack Bridging (EN14891:2007) >0.7 5 mm Water Penetration – 5 Bar 72 hours (DIN 1048 - 5,EN 12390 – 8:2000) Nil Resistance to water pressure – 1.5 bar (EN 14891:2007) No water penetration at 1.5 Bar Vapour Permeability SD Value 0.22 VOC (USEPA 24) <5 g/l Yield 1 1.1 litre/pack Resin: Powder Ratio 1 part resin: 3 parts powder (by weight) Material Consumption Approximately 2.8 - 3.8 kg/m 2 (mixed). Application Thickness 1.5 - 2.0mm Coats 2 to 3 (minimum/coat - 0.75 and maximum/coat - 1.0mm) Min /Max Application Temperature 5°C to 40°C Packaging 20 .25 kg kit (5kg resin in a jerricans,15kg powder in a paper bag and 0.25kg Terrabond A in a bottle ) Storage 12 months in original sealed packaging.

2. WEATHERCOAT GP WATERPROOFING FOR WATER RETAINING STRUCTURES For further details visit: www.terraco.com V. 11 .201 8 - Issued by Terraco Technical Centre, Ireland for Terraco UAE Ltd. APPLICATION & CLEANING OF TOOLS Weathercoat GP can be applied by brush, broom or spray equipment. When applying by spray please consult with the local Terraco Technical Department. Apply onto the freshly prepared substrate in 2 - 3 coats, applying each coat at right angles to each other, to a total t hickness of 1. 5 - 2.0mm. Total consumption is 2.8 - 3.8 kg/m 2 (mixed Weathercoat). It is recommended that the total application thickness be 1.5 mm under tiles and 2.0mm for exposed areas. Clean tools and equipment with water immediately after use. CURING & DRYING Curing and drying times depend on ambient temperatures, atmospheric humidity and thickness of coating. Protect surfaces from wind and direct heat during application and curing. Do not apply in humid conditions > 80%. Weathercoat GP will be surface dry in less than 3 hours at 30°C. Allow first coat of Weathercoat GP to dry for a minimum of 6 hours before over - coating. Weathercoat GP should be left to cure for at least 7 days before water flood testing. For potable water tanks and fish ponds to prevent contamination of the water, after curing for 7 days, the surfaces of the Weathercoat GP must be thoroughly rinsed off with clean, cool water. Repeat the rinsing cycle until the required pH level has been r eached. Tiling work should be commence d after minimum 3 days of Weathercoat application. Protect surfaces from wind and sources of direct heat during application and curing. LIMITATIONS Do not apply during rising temperatures to avoid the risk of outgassing resulting in pin - holing. Do not apply on bituminous coatings. For exterior areas, do not apply if rain is likely over the next 24 hours. HEALTH & SAFETY Avoid prolonged contact with skin and eyes. For detailed information refer to the latest relevant Material Safety Data Sheet. PACKAGING & STORAGE & SHELF LIFE Weathercoat GP Resin is supplied in 5 kg jerricans . Weathercoat GP Powder is supplied in 15kg paper bags. Weathercoat GP Kit is supplied in 20kg pa ils (5kg resin in a jerricans, 15kg powder in a paper bag and 0.25kg Terrabond A in a bottle ) . When stored in their original sealed packaging in a clean, dry area and protect ed from high humidity, moisture, direct sunlight and extreme heat and cold, shelf life is at least 12 months. Use oldest material first. TERRACO offers a comprehensive range of products and services for most concrete and finishing needs. Please conta ct the TERRACO Technical Service Department or your local TERRACO agent for further information, samples, demonstrations and instructor services. The information given in this leaflet is based upon laboratory research, as well as extensive field work and a pplication. All products are sold subject to standard conditions of sale which are available on request. This information is based on TERRACO’ s present state of knowledge and is intended to provide general information on TERRACO’ s products and their method s of use. The prospective user is recommended to determine the suitability of TERRACO’ s suggestions and products before adopting them on a commercial scale.

4. WEATHERCOAT GP WATERPROOFING FOR WATER RETAINING STRUCTURES For further details visit: www.terraco.com V. 11 .201 8 - Issued by Terraco Technical Centre, Ireland for Terraco UAE Ltd. For technical enquiries please contact your nearest Terraco representative: ALGERIA: SARL Terraco Algeria Tel: +213 (0)23 23 07 80 Fax: +213 (0)23 23 07 80 E - mail: terraco@terraco.dz Web: www.terraco.dz CHINA: Terraco Architectural Coatings China Co., Ltd. Tel: +86 (0)20 8759 4742 Fax: +86 (0)20 8526 8056 E - mail: sales@terraco.com.cn Web: www.terraco.com.cn Terraco Chemical (Shanghai) Co., Ltd. Tel: +86 (0)21 621020 48 / 18 Fax: +86 (0)21 625205 47 Email: sales@terraco.com.cn Web: www.terraco.com.cn EGYPT: Terraco Egypt Chemical Industries S.A.E. Tel: +20 (0)22 29184 53 / 57 / 58 Fax: +20 (0)22 29184 80 E - mail: terraco@terraco.com.eg Web: www.terraco.com.eg JORDAN: Jordan Swedish Polymers Industrial Corp. Tel: +962 (0)6 553 8751 Fax: +962 (0)6 553 6560 E - mail: terraco@nol.com.jo Web: www.terraco.jo IRELAND: Terraco Technical Centre, Ireland Tel: +353 (0) 1 2819 045 Fax : +353 (0) 1 2819 048 E - mail: technical - centre@terraco.com Web: www.terraco.com PAKISTAN: Terraco Pakistan Pvt. Ltd. Tel: +92 (0)42 3529 70 56 - 8 Fax: +92 (0)42 3529 70 55 Email: terraco@terraco.pk Web: www.terraco.com RUSSIA: OOO Terraco Sweden Ltd, Russia Tel: +7 (0)495 9212 237 Fax: +7 (0)495 6273 881 E - mail: adm@terraco.ru Web: www.terraco.ru OOO Terraco Vostok Ltd Tel: +7 (0)4212 410563 Fax: +7 (0)4212 410591 E - mail: terracovostok@terracokhv.ru Web: www.terraco.com SOUTH KOREA: Terraco Korea Co., Ltd Tel: +82 (0) 2 5611 551 Fax: +82 (0)2 5671 771 E - mail: terraco@terraco.co.kr Web: www.terraco.co.kr THAILAND: Terraco Industry (Thailand) Limited Tel: +66 (0)2 946 68 56 / 58 Fax: +66 (0)2 946 68 59 E - mail: terraco@terraco.co.th Web: www.terraco.com TURKEY: Terraco Yapi Malzemeleri Sanayi Ve Ticaret AS Tel: +90 (0)222 236 0423 Fax: +90 (0)222 236 0425 E - mail: terraco@terraco.com.tr Web: www.terraco.com.tr UAE: Terraco UAE Ltd Tel: +971 (0)4 326 2699 Fax: +971 (0)4 326 2733 E - mail: terraco@terraco.ae Web: www.terraco.com UK: ADDAGRIP Tel: +44 (0)1825 761 333 Fax: +44 (0)1825 768 566 E - mail: sales@addagrip.co.uk Web: www.addagrip.co.uk / www,terraco.com VIETNAM: Terraco Vietnam Co., Ltd Tel: +84 (0)650 3 820 100 Fax: +84 (0)650 3 820101 E - mail: terraco@terraco.com.vn Web: www.terraco.com

1. WEATHERCOAT GP WATERPROOFING FOR WATER RETAINING STRUCTURES For further details visit: www.terraco.com V. 11 .201 8 - Issued by Terraco Technical Centre, Ireland for Terraco UAE Ltd. OVERVIEW PRODUCT GRADES/CODES Weathercoat GP is a high quality two - component, elastomeric, versatile and permanent waterproof coating suitable for use in areas with extreme climatic conditions. Weathercoat GP is specially formulate d for water retaining structures for e .g. s wimming pools & potable water tanks. White Grey 68533 68633 PROPERTIES Weathercoat GP is an elastomeric, polymer modified cementitious waterproof coating, supplied in two components, as a liquid resin and powder to be mixed on site before application. Weathercoat GP Resin Based on advanced acrylic resins , miscible with Portland cement and cement - based materials in various proportions, high resistant to alkalinity. Weathercoat GP resin is also suitable as an additive to mortars and screeds to increase their tensile, compressive and flexural strengths and r educes their water cement ratio. Weathercoat GP Powder Based on special hydraulic cements, precisely graded fillers, wetting agents and adhesion promoters. A dvantages:  Easy to mix and apply  Application by brush or spray  Pot life of more than 2 hour s at ambient temperature  Excellent adhesion to dimensionally stable concrete/render  Seamless permanent coating  Vapor permeability – allows substrate to breathe  High UV and weather resistance  Low temperature flexibility  Excellent water impermeable coating under tiles  Suitable for concrete potable water tanks  High flexibility  Non - toxic AREA OF USE Suitable for waterproofing of most building surfaces but especially where crack bridging and a high degree of waterproofing and pro tection is required such as for:  Potable water tanks , retaining concrete tanks , reservoirs  Swimming pools  Under - tile waterproofing  Fish ponds , decorative ponds  Planter boxes  Concrete roofs (exposed and under tile application) SURFACE PREPARATION Ensure substrates are clean and sound. Remove all existing coatings, cement laitance, unsound honeycombing and spalling concrete by suitable mechanical means. All dust, dirt and loose materials must be thoroughly removed by brush, broom or vacuum from the areas to be coated. Grind off all ridges and sharp projections. Scrape off all flaking material and remove oils, grease and other adhesion inhibiting substances. Mortar joints must be sound and finished flush with the blockwork. In sit uations requiring reinforc ement and at all wall and floor corner junctions, pipe entries and drains , it is recommended to apply the respective Terratape reinforcing membrane or Terraco Flexitape or Terraco Sealing tape , depending on area of application. Cracks and surface defects must be made good using suitable Terraco repair products. Create a fillet in the corners where required, prior to application of Weathercoat GP. Dry and porous substrates should be primed with Terrabond A (diluted 1:3 with clean water) or Terraco Waterpro ofing Primer (undiluted). Other surfaces should be saturated with water prior to application but no standing water should be present. MIXING It is recommended to mix full kits only. Place the resin in a clean mixing vessel then slowly add the powder while mixing for at least 3 minutes with a slow speed mixer (200 - 600 rpm) until the mix is completely homogeneous and lump free. Ensure the blade remains below the s urface of the mixture to minimis e the entrapment of air and that no powder remains unmixed on the sides and in the corners of the mixing vessel. Leave to stand for at least 5 minutes to release any entrapped air. Mix again for 30 seconds before application. During application , ensure occasional stirring to keep the aggregates in suspension. N ote : Do not add water to adjust or re - temper the mix. For bulk mixing, m ix only required kits of Weathercoat GP that can be used within its pot life.

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