Question 1

What is National Polydex Waterproofing and what does it do?

Accepted Answer

National Polydex Waterproofing is an acrylic copolymer emulsion–based coating designed to waterproof surfaces and protect them from moisture, mold, mildew, and UV damage. It provides low-odor application, flexibility, and long-term adhesion to concrete and other substrates, suitable for interior and exterior use.

Question 2

What substrates and surfaces can I apply National Polydex Waterproofing to?

Accepted Answer

It adheres well to concrete and other common substrates and is suitable for roofs, balconies, decks, walkways, and other resurfacing and waterproofing applications.

Question 3

What makes National Polydex Waterproofing perform well against moisture and UV light?

Accepted Answer

The product is an acrylic copolymer emulsion that delivers strong water resistance, long-term adhesion, and UV resistance, helping surfaces resist moisture, mold, mildew, and sun damage for extended periods.

Question 4

What are the key specifications and attributes of National Polydex Waterproofing?

Accepted Answer

Key specs include: acrylic copolymer emulsion base, excellent adhesion to concrete, low odor, flexible coating, long-term adhesion, interior/exterior suitability, UV resistance, available in multiple colors, and easy repair.

Question 5

Where should I use National Polydex Waterproofing? (Use cases)

Accepted Answer

Use on roofs, balconies, decks, walkways, and other exterior or interior surfaces that require waterproofing. It’s also positioned for durability in challenging environments such as bridge and tunnel waterproofing projects.

Question 6

How do I install or apply National Polydex Waterproofing?

Accepted Answer

Prepare the surface by cleaning and repairing cracks. Stir thoroughly, apply evenly with a brush, roller, or sprayer in a thin coat, allow to dry, then apply a second coat if needed. Follow manufacturer guidance for coverage rates and dry times, and ensure adequate ventilation due to the low-odor formulation.

Question 7

What is the recommended curing time and coat sequence for National Polydex Waterproofing?

Accepted Answer

Allow the first coat to dry before applying a second coat. Curing times depend on temperature and humidity; higher temperatures and good ventilation help. Check the product label for exact recoat intervals.

Question 8

Is National Polydex Waterproofing safe to use indoors and in occupied spaces?

Accepted Answer

Yes, it features a low-odor formulation, making it more suitable for occupied spaces. Always ensure proper ventilation during application and cure, and wear appropriate PPE as advised.

Question 9

How does National Polydex Waterproofing compare to other waterproofing products on Fepy?

Accepted Answer

Compared to other acrylic or silicone waterproofing options, Polydex offers strong adhesion to concrete, UV resistance, and low odor. For direct comparisons, see these alternatives on Fepy and their pages: Acrylic Waterproofing Emulsion (https://fepy.com/product/acrylic-waterproofing-emulsion), Silicone Waterproof Sealer (https://fepy.com/product/silicone-waterproof-sealer), Bituminous Waterproofing Membrane (https://fepy.com/product/bituminous-waterproofing-membrane).

Question 10

What is the typical coverage and material value when buying National Polydex Waterproofing?

Accepted Answer

Coverage varies by surface porosity and coat thickness; refer to the product label for coverage per liter and total area. The coating offers long-term durability and ease of repair, contributing to overall value over time.

Question 11

Are there safety considerations or compliance notes I should know before using National Polydex Waterproofing?

Accepted Answer

Yes. Use in well-ventilated areas, wear gloves and eye protection, and follow the Safety Data Sheet for handling, storage, and disposal. The low-odor formulation helps reduce exposure during application.

Question 12

Can I return National Polydex Waterproofing if it doesn’t meet my needs?

Accepted Answer

Fepy typically offers a standard return policy for unopened or unused items; check the product page or your order details for the exact terms and the return window.

COLOUR, DRY FILM	White or as per requirement
FINISH, DRY FILM	Smooth / Satin
VOLUME SOLIDS	55 ± 2% (ASTM D2697)
SPECIFIC GRAVITY	1.25 ± 0.05
THEORETICAL SPREADING	1.8 – 1.4 M2/LTR
RECOMMENDED DFT (DRY FILM)	300 – 400 Microns/Coat
RECOMMENDED WFT (WET FILM)	545 – 730 Microns/Coat
FLASHPOINT	Water Base
TOUCH DRY	4 – 6 hours
DRY TO RECOAT	12 – 16 hours
HARD DRY	24 hours
APPLICATION METHOD	Brush, Roller, Spray, etc.
CLEANING/THINNING	Water
THINNER (VOLUME)	Depending on the application method
CONV. SPRAY REQUIREMENTS	Possible

Pressure	2000 – 2500 psi
NOZZLE SIZE	0.018” – 0.021”
MIXING RATIO (BY VOLUME)	NA
POT LIFE @ 30°C (100 ml)	NA

مستحلب أكريليك كوبوليمر ( بوليديكس ) من ( National ) عازل مانع لتسرب المياه - حجم (3.6L)

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