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HS140-I — Ultimate 100% Silicone Roof Coating: Waterproof, Durable, Eco-Friendly Protection Against Ponding Water Damage

HS140-I is billed as the ultimate roof coating in 100% silicone, and the damage it is aimed at is named in its own title - ponding water.
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  • HS140-I

  • Howell

HS140I Description

HS140-I is billed as the ultimate roof coating in 100% silicone, and the damage it is aimed at is named in its own title - ponding water. This single-component silicone film forms a barrier that is durable, watertight, breathable and weatherproof, and it resists natural weathering across a long service life.

Features

100% Silicone Waterproof Coating,

Excellent Ponding Water Resistance,

Primer-Free Strong Adhesion,

UV & Weather Protection,

Long-Lasting Seamless Roof Protection


Properties

Color: Viscous liquid (Black/Grey/white...etc.)
Tack free(min): 30-45min
Density(g/cm3): 1.20±0.01
Curing speed(mm/24h): ≥2.5
Hardness (Shore A): 30-45
Tensile strength (MPa): ≥1.2
Elongation(%): >150

Stickiness:4000 mPa.s

VOC:≤5%

Shelf Life:720 Days (2 years)

Bonding Strength (with polyurethane foam):≥2.0 N/mm

Bonding Strength (Asphalt):≥2.0 N/mm

Bonding Strength (Concrete):≥2.0 N/mm

Bonding Strength (Anti-corrosion paint):≥2.0 N/mm

Bonding Strength (Aluminum Alloy Sheet):≥2.0 N/mm

Bonding Strength (Galvanized Sheet): ≥2.0 N/mm


Applications

◆ Polyurethane foam
◆ EPDM
◆ PVC
◆ Aged acrylic coating
◆ Concrete
◆ Asphalt BUR

◆ modified bitumen

◆ metal roofs

◆ masonry walls



Package & Storage

Package

Packing can be arranged to meet customer requirements.


Storage
Store in a ventilated and cool location at 4–27℃. Shelf life: 720 days (2 years).

Usage / Construction

Usage:

Suitable for waterproofing and protection of various roof substrates, including polyurethane foam, EPDM, PVC, aged acrylic coatings, concrete, asphalt BUR, granulated modified bitumen, metal roofs, and masonry walls. Provides seamless waterproof protection against ponding water, rain, UV and weathering.


Construction:

Clean – Remove dust, dirt, oil and loose materials from the surface.

Prep – Prepare the substrate before application. Primer is unnecessary on most surfaces due to strong adhesion.

Coat – Apply HS140-I evenly to form a seamless silicone waterproof barrier.

Application Notes:


Can be applied directly on multiple substrates without primer in most cases.

The cured coating provides long-term waterproof, weather-resistant and ponding water protection.

Keep in touch with us

Need the Right Sealant for Your Application?

Tell us your substrate, application, required color, packaging, quantity and performance requirements. Our team can recommend you the most suitable one for your project.

E-mail:inquiry@howseal.com

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