EXTERIOR COATINGS AND PAINTS
Exterior coatings and paints are the layers that cover the walls of the building by dressing the surface, providing texture, colours, and protection. Exterior coatings and paints offer an attractive finish to the exterior of a building and mainly provide a durable & long life span to their external surface. They can be waterproof, anti-carbonation paints and withstand extreme climatic changes like heavy rainfall, high humidity, and heat.
SUNGARD APR: Two-component, acyclic, polyisocyanate reticulant (APR) based coating
- Anti-carbonation and chemical-resistant coating for concrete (cured for at least 28 days) surfaces
- Anti-corrosion protective coating on steel or metal surface
- Excellent chemical resistance and UV resistance
- Excellent adhesion to many surfaces
- Abrasion-resistant film
- Equally effective on concrete or metal substrates
- Perfect material for coatings of MS pipelines and structural steel
- Free the surface to be coated from dust, oil, moisture, grease, etc
- The surface should be completely dry
- Stir the contents of part A well
- Mix 4 parts by volume of part A with 1 part by volume of part B
- Stir well to get homogeneity
- Allow the mixture to stand still for about 10-15 min to initiate the reaction
- Apply using a spray or brush
- Allow the coat to cure for 2 hrs before re-coating
- After applying the second coat, allow it to heal 24 hrs
SUNGARD LCNR: Two-component, long-chain nylon reticulant (LCNR) based coating
- Hygienic and chemical-resistant coating for steel tanks, concrete walls, concrete, and steel columns
- Anti-carbonation and chemical-resistant coating for concrete (cured for at least 28 days) surfaces
- Tough abrasion, chemical-resistant film
- Excellent adhesion to many surfaces, including concrete and metal substrates
- Free the surface to be coated from dust, oil, moisture, grease, etc
- The surface should be completely dry
- Stir the contents of part A well
- Mix 2 parts of part A with 1 part of part B
- Stir well to get homogeneity
- Allow the mixture to stand still for about 10-15 min to initiate the reaction
- Apply using a spray or brush
- Allow the coat to cure for 2 hrs before re-coating
SUNEXT-8: 100% acrylic, waterproofing, heat-insulating, anti-carbonation exterior coating
- Protects external surfaces against carbonation and similar environmental attacks
- It provides a durable and long-lasting finish to the external surface
- Can withstand extreme climatic changes like heavy rainfall, high humidity, and heat
- Protects the structures from water leakages or dampness
- Prevents a rise in internal temperature
- It does not peel or crack
- Prevents carbonation
- Prevents the formation of fungi and algae
- Has UV protection
- Stir the contents well with a mechanical stirrer to attain uniform consistency
- Add 500 ml of potable water to 1 litre of SUNEXT-8 in a clean container
- Apply by brush, roller, or spray as a primer coat
- Depending on the recommendations, subsequently, apply 2/3 coats
- Maintain a minimum interval of 4-6 hours between successive coats
SUNEXT-S: Semi-acrylic emulsion exterior coating
SUNEXT-S is used as an external surface coating
- It does not peel or crack
- Good resistance to weathering
- Resists the formation of algae & fungus
- No carbonation deposits
- Increases the total service life of the structure
- UV resistant
- Reduces maintenance cost
- Stir the contents well with a mechanical stirrer to attain uniform consistency
- Add 400 ml of water to one litre of SUNEXT-S & apply as a primer coat by brush, roller, or spray
- Allow the primer coat to dry and set for 4-6 hours
- Apply 2-3 coats of SUNEXT-S directly without the addition of water,
- Apply it at an interval of 6 hours between each coat
- For ease of application, if required, add little water but not more than 100 ml per Litre of SUNEXT-S
- After the final coat, allow it to sit for 24 hours
- During the entire application & set period, protect the coating from dust, dirt, water, etc
SUNDEKOTE-SP: High-performance anti-carbonation coating
- It can be used as a waterproof anti-carbonation external surface coating
- It prevents the formation of fungi and algae
- It does not peel or crack
- Protects from water leakages
- No damp spots
- Resists the formation of algae & fungus
- No carbonation deposits, resulting in a fresh look of the coating for years
- Thus, it increases the total service life of the structure with reduced maintenance cost per year
- Stir the contents thoroughly with a mechanical stirrer to attain uniform consistency
- Depending on the recommendations, apply two or three coats of SUNDEKOTE-SP directly
- Apply it at an interval of 8-10 hours between each coat
- After the final coat, allow it to set for 24 hours
SUNACE: 100% acrylic, decorative, waterproofing, heat-insulating, exterior coating
- Protects external surfaces against carbonation and similar environmental attacks
- It provides a durable and long-lasting finish to the external surface
- Can withstand extreme climatic changes like heavy rainfall, high humidity, and heat
- Single-component liquid applied by brush
- Protects against water leakages and dampness
- Prevents rise in internal temperature
- No peeling or cracking
- Prevents the formation of fungi and algae
- Excellent UV stability
- Fairly good resistance to normal wear and tear
- No priming coat is needed, saving expenses and time.
Surface Preparation & Cleaning:
- Life and performance depend on cleaning quality.
- Remove dirt, loose particles, flaking paint, etc.
- Check for cracks or openings.
- Fill cracks with POLYFILL AR; use POLYALK EP for specialised cracks.
- Remove scales, rust, and grease from steel surfaces.
Application:
- Open the container, and stir well for uniform consistency.
- For the prime coat, mix 1L SUNACE with 1000ml water. Apply by brush, roller, or spray.
- For the top coat, mix 1L SUNACE with 400ml water. Stir well.
- Apply by brush, roller, or spray.
- Apply two or three coats over the prime coat as recommended.
- Maintain 4-6 hour intervals between coats.
- During the entire application
POLYTEXT FINISH: Acrylic textured exterior coating
- For exterior and interior applications on sand-faced, plastered concrete
- Brick surfaces of housing societies, hospitals, commercial complexes, shopping malls, etc.
- Adheres firmly to new/old hardened concrete surfaces
- Hides plaster cracks due to excellent flexibility & elasticity
- It makes the surface waterproof, resistant to fungal attack and carbonation
- Acts as fire-retardant
- Stir the contents with a stirrer to attain uniform consistency
- If required, add 5-10% water by volume to get an easily spreadable consistency
- Apply POLYTEXT FINISH using a flat trowel at a thickness of 2-3 mm
- Repeat the trowel on the spread material in one direction only till the desired finish is obtained
- Remove excess POLYTEXT FINISH with a damp cloth before the material sets
- Cure for 12-16 hours minimum before application of any exterior paint
DUCKBACK S: 100% High performance, acrylic, elastomeric, waterproofing, exterior coating
- Ideally suited for concrete, masonry, and stucco
- Protects the surface from water leakages or damp spots without peeling and cracking
- It can be used on asbestos due to its high elasticity and adhesion
- Excellent flexibility and durability
- Excellent weatherproofing properties thus protect from wind and rain
- Resistant to algae, fungus, dirt, and mildew
- Easy to apply, economical, environmentally safe
- High resistance to UV radiation
- Bridges cracks and hides imperfections
- Clean the surface with a wire brush, or any other suitable method
- Fill the cracks with crack filler like POLYFILL AR
- For large cracks, use POLYALK EP mortar
- Mix one litre of SUNEXT 8 with one litre of water and apply as a primer coat
- Allow it to dry for 6-8 hrs
- Open the container of DUCKBACK S and stir well to attain uniform consistency
- Apply 2 coats without dilution by brush or roller with an interval of 6-8 hours between each coat
SUNANTIFUNGAL SP: Microbial wall wash and anti-rooting solution
- Washing agents for exterior walls before painting in the food industry
- Washing agents for exterior walls before painting in the healthcare centers
- As an anti-rooting treatment for planter boxes and soft landscape areas
- Miscible with water, easy to handle
- Treats and controls fungal and bacterial growth
- Non-toxic to human beings
- Non-corrosive
- Treats and controls the roots of plants
For a microbial wall wash
- On vertical walls, a 5% aqueous solution of SUNANTIFUNGAL SP is to be used as micro-bio-wash
- Allow it to remain in contact for about 10 minutes, then scrubbing may be required
- Wash with fresh water to remove loosened microbial deposits
- Allow drying before painting
For sanitation in dairies, hospitals, and food industries
- Use a 2% aqueous solution of SUNANTIFUNGAL SP
- Follow all steps for a microbial wall wash
For anti-rooting treatment of plants
- Mix 30% – 40% anti-rooting solution in water homogeneously
- Apply 3 coats by maintaining 4 – 5 hrs time intervals
- Complete the application before earth filling
FAQs
What Preparation is Required Before Applying Exterior Wall Coatings?
Before applying exterior wall coatings, thorough preparation is crucial. This includes cleaning the surface to remove dirt, grime, and loose paint, and repairing any cracks or damage. Priming may be necessary for better adhesion. Ensuring the wall is completely dry and checking for any moisture issues are also essential steps.
What is the top coat used for?
The top coat is used as a final layer over a base coat or paint, providing additional protection and enhancing durability. It offers resistance against wear, UV rays, and environmental elements, while also improving the aesthetic finish. In automotive and woodworking, top coats add gloss and depth to the surface.
Do I need two coats of paint if I use a primer?
Whether you need two coats of paint after using a primer depends on the paint color, quality, and the surface being painted. A primer improves paint adhesion and coverage, often allowing for fewer top coats. However, for deep colors or to achieve a uniform finish, a second coat of paint is necessary.
What are the Benefits of Applying Exterior Wall Coatings?
Applying exterior wall coatings provides numerous benefits. These coatings offer protection against weather elements, preventing damage from UV rays, rain, and pollutants. They enhance the longevity of the building, improve energy efficiency, and contribute to a visually appealing exterior. Additionally, they can resist mold, mildew, and other environmental challenges, reducing maintenance needs.