Waterproofing Systems

KingProof BF250^®

Fiber reinforced water based rubberized bitumen coating.

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Density

1 ± 0.02 g/cm³

Adhesion strength on

≥ 1.0 MPa @ 14 days

Coverage

Coverage rate depen…

Packaging

Drum

Standards

2 cited

ASTM D2939 · ASTM D4541

Overview

KingProof BF250 is a dark brown emulsified bitumen liquid reinforced with cellulose fiber and rubber formulated from selected raw materials to form a flexible water proofing and protective coating for concrete and masonry.

Applications

KingProof BF250 provides a water proofing and protective coating for:
Retaining walls
Shaded or tiled roofs
Underground concrete basements, walls and foundations
Wet floor areas such as bathrooms and kitchens

Advantages

Flexible
Resists attack by chloride and sulphate ions present in ground water
Single component
Applied by brush which make it easy to use
Economical
Solvent free, non flammable
Asbestos free
Does not rot
STANDARDS KingProof BF250 complies with:
ASTM D1227-95, Type II, Class 2
ASTM C309 as a curing compound when applied in two coats at a rate of 4 m2/litre per coat
ASTM D3747, Type I and II

Technical Properties

Property	Value	Standard
Form	Thixotropic liquid	—
Density	1 ± 0.02 g/cm³	—
Over coating time	3 hr @ 25oC 2 hr @ 35oC	—
Dry time	(for thickness < 0.4 2 - 3 hr @ 25oC 1 - 2 hr @	—
mm)	35oC	—
Residue by evaporation	54 ± 2% (Solid content)	ASTM D2939
Firm set	: Pass (< 24 hr)	ASTM D2939
Resistance to water	ASTM Pass D2939	—
Resistance to heat	ASTM: Pass D2939	—
Flexibility	: Pass	ASTM D2939
Freezing resistance	ASTM Pass D2939	—
Adhesion strength on	≥ 1.0 MPa @ 14 days	—
concrete		ASTM D4541
Application temperature	5 to 45ºC	—
Service temperature	−20 to 60oC	—
Chemical resistance	Resists to all water based salts, mild alkaline and acid solutions, detergents and most common aqueous minerals.	—
VOC	< 40 g/ltr	—