Question 1

What is National Spray Plaster Fine?

Accepted Answer

National Spray Plaster Fine is a premixed plaster based on a special, water-based binder that provides a smooth finish for uneven masonry surfaces. It can also be used on unplastered walls and block works.

Question 2

What are the key features of National Spray Plaster Fine?

Accepted Answer

It contains antifungal and antibacterial additives, provides superior adhesion, and is quick-drying and water-resistant. Applying a conventional spray plaster gun or putty knife is easy.

Question 3

How should National Spray Plaster Fine be applied?

Accepted Answer

National Spray Plaster Fine should be applied using a conventional spray plaster gun or putty knife. Depending on the desired thickness, it requires thinning with 5-10% water.

Question 4

What surfaces is National Spray Plaster Fine suitable for?

Accepted Answer

National Spray Plaster Fine suits interior applications on concrete, plaster, wood, walls, and ceilings.

Question 5

What is the packaging size of National Spray Plaster Fine?

Accepted Answer

National Spray Plaster Fine is available in 25kg packaging.

Question 6

What is National Spray Plaster Fine?

Accepted Answer

National Spray Plaster Fine is a ready-mixed internal plaster based on acrylic copolymer binder with special fillers. It is used as a smooth levelling coat over spray plaster coarse or medium and provides an easily sandable, smooth finish. It also contains antifungal and antibacterial additives.

Question 7

What are the recommended uses of this product?

Accepted Answer

It is ideal for levelling and smoothing internal ceilings or walls before applying finish coat systems. It can also be used as an economical decorative spray texture for ceilings, which can be overcoated with recommended topcoats.

Question 8

What is the drying time for National Spray Plaster Fine?

Accepted Answer

At 30°C, the touch dry time is 45–60 minutes, hard dry time is 24 hours, and it can be overcoated after 6–8 hours. Drying times may vary depending on temperature, humidity, air movement, and film thickness.

Question 9

What are the technical specifications of this product?

Accepted Answer

National Spray Plaster Fine has a thick, non-flowing viscous paste appearance and a dry film colour of white. It provides a smooth and sandable finish with a specific gravity of 1.65 ± 0.05. The recommended dry film thickness (DFT) is 500–1000 microns per coat, and it has a volume solids content of 58 ± 2%.

Question 10

How should National Spray Plaster Fine be applied?

Accepted Answer

It can be applied using a putty knife, scraper, or spray equipment. For smooth finishes, apply up to 500 microns per coat and level evenly. For textured finishes, use a spray gun to achieve up to 1000 microns thickness.

Question 11

Can this product be thinned or cleaned?

Accepted Answer

Yes, it is ready to use but can be thinned with water up to 5% if required. Cleaning of tools should also be done with water.

Question 12

What are its advantages?

Accepted Answer

This plaster offers excellent adhesion, smooth levelling properties, ease of sanding, and a white background suitable for topcoats. It does not flake off and contains no chloride admixtures.

Question 13

What precautions should be taken during application?

Accepted Answer

Ensure the surface is clean, sound, and free from oil or dust before application. Avoid exceeding recommended thickness as it may cause shrink cracking. Always work in a well-ventilated area and wear protective gear to avoid skin or eye contact.

APPEARANCE	Thick, non – flowing & viscous paste
COLOUR, DRY FILM	White
FINISH, DRY FILM	Smooth, Sandable
VOLUME SOLIDS	58 ± 2% (ASTM D2697)
SPECIFIC GRAVITY	1.65 ± 0.05
THEORETICAL SPREADING	2.84 kg /m2 /mm (depending on the surface)
RECOMMENDED DFT (DRY FILM)	500 – 1000 microns /coat
RECOMMENDED WFT (WET FILM)	862 -1724 microns /coat
FLASHPOINT	Water-Based
TOUCH DRY	45 – 60 min.
HARD DRY	24 hrs.
DRY TO OVERCOAT COAT	6 - 8 hrs.
APPLICATION TOOLS	Putty knife, scraper, etc. Spray equipment (For Texture)
CLEANING/ THINNING	Water
THINNER (VOLUME)	Ready to use (if required maximum up to 5%)

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Frequently Asked Questions

What is National Spray Plaster Fine?

What are the key features of National Spray Plaster Fine?

How should National Spray Plaster Fine be applied?

What surfaces is National Spray Plaster Fine suitable for?

What is the packaging size of National Spray Plaster Fine?

What is National Spray Plaster Fine?

What are the recommended uses of this product?

What is the drying time for National Spray Plaster Fine?

What are the technical specifications of this product?

How should National Spray Plaster Fine be applied?

Can this product be thinned or cleaned?

What are its advantages?

What precautions should be taken during application?