Waterproofing

Bitumen Waterproofing

Monneli Bituflex Plus

Elastomeric SBS Modified Liquid Applied Waterproofing

Uses
BITUFLEX PLUS adhere perfectly to several supports as bituminous sheaths, concrete, asbestos, plaster, wood, metallic surfaces, etc.
It is used for waterproofing of variety of supports such as:
Eaves
Underground foundations
Restoration of old bituminous waterproofing
Chimneys sealing
Water proofing of shower stalls before the ceramic tiles laying, corrosion protection, etc.
Waterproofing for wet areas including kitchen, bathroom, balconies & etc.
Its particular composition makes it suitable for applications on humid supports and during winter.
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Technical Information
Product Description

BITUFLEX PLUS is an SBS modified bituminous liquid membrane composed of elastomers, bitumen, resins and additives dissolve in solvent. It is a thixotropic paste easily applicable horizontally and vertically. Once dried it forms an elastic, continuous, waterproofing membrane resistant against thermal changes, UV rays and acid rains.

Advantages
  • Can be applied vertically and horizontally
  • Outstanding waterproof properties to ensure great protection against corrosion
  • Easy to use, single component
  • Elastomeric
  • High elasticity with permanent flexible membrane
  • Excellent water resistance after complete hardening
  • Excellent adhesion to most building substrates
  • Excellent resistance against Chloride and Sulphate ions
  • Resistant to underground soil ground water aggressive effect
  • Membrane can be easily repaired by spot application
Compiliance Standard
  • ASTM C 309 – 96
  • BS 6949:1991
Packaging, Coverage / Consumption

Consumption

1.6 L/m² per 1 mm DFT

 

Packaging

BITUFLEX PLUS is supplied in metallic containers of 20 liter and 200 liter drums.

Shelf Life & Storage

Storage

Keep in covered area away from direct sunlight and in tightly sealed containers. In these conditions BITUFLEX PLUS maintains its characteristics for 12 months.

Colors
Black
Technical Properties
PROPERTIES RESULTS
Appearance Black dense liquid
Density at 25°C  1.1 kg / L 
Solid content  60% ±2% 
Viscosity 2400 cps
Rubber content  10% 
VOC 176.0 g/L
Temperature of application +5°C to +35°C
Superficial film formation at +25°C 1 hour
Elongation 1000%
Complete hardening 2 days (2mm thickness)
Tensile resistance (ASTM D412) 0.4 N / mm²
pH Value 10
Recovery for 300% elongation (ASTM D412) 100%
Curing time (25°C) 24 hours
Shore A hardness 30
Vapour permeability 0.18 gr. m² / 24 hour
Service temperature –10°C to +80°C
Aging resistance Excellent
Water resistance after complete hardening Excellent
Crack bridging Up to 2 mm
All values are subject to 5-10 % tolerance
Application Information
Instructions for use

Surface Preparation

The surface of the concrete shall be sound, clean and uncontaminated. 

This preparation shall be such as to leave a sound exposed concrete surface free from dust, loose particles and any deleterious matter. If the concrete surface is defective or has laitance, it must be cut back to a sound base.

Oil, grease, varnishes, rust, dust and mould on metal surfaces shall be removed by wire or stiff brushing and grit blasting then wiped with SOLVENTE prior to priming.

Moss and lichen must be removed physically followed by treatment with fungicidal wash. After treatment, it must be washed down thoroughly with clean water and allow to dry.

Priming

Highly porous concrete or concrete containing microsilica will require priming with a coat of thin coat of BITUFLEX PLUS. The primer shall be applied at a rate of 5-6 m²/L and left to achieve a tack-free condition to dry before applying the topcoat. A second coat of primer may be required if the substrate is excessively porous.

 

Application

Two coats of BITUFLEX PLUS shall be applied by brush or squeegee at a rate of 0.6 m2/liter giving a total dry film thickness of 2.0mm thick membrane. For large structural areas, variable mechanical loads, and moving cracks, fibre mesh shall be fixed between the coats.

The two coats must be applied at right angles to one another with a minimum of 6 hour intervals between each application at 25°C. Each coat must be completely dry before the next coat is applied.

A third coat can be applied blinded with clean sand as a protection against foot traffic and/or to provide a good key for top screed.

Do not apply subsequent applications if the membrane is punctured or damaged.

Additional Information
Health & Safety

BITUFLEX PLUS is a solvent based flammable product. Keep away from fire sources during application. Protect eyes during application by using goggles. Splashes to eyes should be washed immediately with abundant water and seek medical treatment.

Important note

The information in this Technical Data Sheet is based on Colmef Monneli’s experience. Colmef Monneli does not accept any liability arising from the use of its products as it has no direct or continuous control over where or how its products are applied. All Colmef Monneli’s Data Sheets are updates on regular basis. It is the user’s responsibility to obtain the latest version.

additional materials
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Technical Properties Sheet
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