Love to Paint
Love to Paint

Sealer & Binder

$27.94$62.10

Murobond Water Based Sealer & Binder = the superior sealer used to penetrate and bind chalky or underbound masonry and other surfaces. An interior/exterior single component coating based on an ultrafine alkali-proof resin suitable for masonry, limewash, cement paint and other underbound surfaces.

Larger sizes are available , please call your nearest stockist to purchase.

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Description
Safety Data SheetDownload Document
Features
Uses + Specifications
Applications

  • Seals powdery and highly porous surfaces
  • Helps to bind flaking paint
  • Fast drying
  • Low odour
  • Low VOC
  • Aids in binding back loose edges after preparation
  • Single pack, water clean-up
  • Apply by brush, roller or spray

Uses

Sealer and Binder is recommended where lime, cement, or chalky water-based paints may cause adhesion failure.

Bare surfaces include; cement render, bagging, cement and clay brick/block, concrete, stone, timber (Sealer and Binder will not prevent tannin bleeding), Hebel.

Previously painted surfaces include; old limewash, coloured render, cement paints and old acrylic or vinyl paints.

Specifications

Weathering
Murobond Sealer and Binder is designed to be overcoated for protection from weather.

Salts Acids & Alkalis
Sealer and Binder is highly resistant to alkalinity, salts and acidity however it is not formulated to
contain efflorescence.

Water
Resistant to prolonged rain and condensation.

Abrasion
Not applicable.

Packaging
Available in 1,4,10,15 Litre

Summary of Typical Applications & Properties

Product Type: Ultra fine pure acrylic
Appearance: Milky aqueous solution
Colour Range: N/A
Components: 1
Volume Solids: 58% by weight
VOC: 3.8 grams per litre
Flash Point: N/A
Specific Gravity: 1.02
Solids: 31% by weight
Thinning: Not recommended
Air Temperature:  min 10ºC | max 35ºC
Surface Temperature: min 10ºC | max 35ºC
Humidity: 85%RH
Wet Film Thickness Per Coat: 250-85 microns (porous – non porous)
Dry Film Thickness Per Coat: 78-26 microns (porous – non porous)
Suitable Surfaces: Porous masonry, powdery or underbound paints including lime, cement, silicate, vinyl and acrylic paints
Application Method: Brush, roller or spray
Typical Spreading Rate: 4 -12 m2 per litre (more porous – less porous)

Temperature Humidity Touch dry Recoat (MIN) Recoat (Max)
15°C 50% 1 Hour 1 Hour 7 Days
20°C 50% 30 Minutes 20 Minutes 7 Days
25°C 50% 30 Minutes 20 Minutes 7 Days
Full Cure 30 Days

Typical Surface Systems

Surface First Coat Second Coat Third Coat
Masonry Murobond
Sealer & Binder
Most Murobond Products*
and acrylic paints
Most Murobond Products*
and acrylic paints
Concrete Murobond
Sealer & Binder
Most Murobond Products*
and acrylic paints
Most Murobond Products*
and acrylic paints
Lime Paint Murobond
Sealer & Binder
Most Murobond Products*
and acrylic paints
Most Murobond Products*
and acrylic paints
Cement Paint Murobond
Sealer & Binder
Most Murobond Products*
and acrylic paints
Most Murobond Products*
and acrylic paints
Silicate Paint Murobond
Sealer & Binder
Most Murobond Products*
and acrylic paints
Most Murobond Products*
and acrylic paints
Acrylic Paint Murobond
Sealer & Binder
Most Murobond Products*
and acrylic paints
Most Murobond Products*
and acrylic paints

Surface Preparation

Surface must be clean, dry, free from oils, surfactants, mildew and any other contaminants.
Remove as much chalky material as practical to maximise bond. Pressure washing is advised where possible. Mildew must be treated/ removed. Gloss surfaces, other than acrylic paint, should be keyed by sanding to dull.

Application

Stir before use. Thinning is not recommended.

Brush
Apply liberally in random pattern, thoroughly wetting the surface. Maintain wet edge across each surface.

Roller
Apply liberally, thoroughly wetting the surface. (Use lifting strokes while ponding sealer above roller). Cut and fill progressively to maintain a wet edge across each surface.

Spray
Spray light coats, wet on wet until surface is thoroughly wet. Airless spray is recommended. Mask surrounding surfaces

Clean Up
Water

Precautions

Ensure adequate ventilation during use. Protect from rain for at least 4 hours after application. Overcoating is advised within 7 days.

Maintenance
If the surface is damaged before overcoating, re-apply Sealer and Binder to restore film to match surrounding area.

Preparation to repaint
Before repainting, ensure surface is clean dry and unbreached.

Storage
No special requirements. This product is not hazardous. Avoid storing in hot conditions (above 30ºC) for extended periods

Environment

VOC for this product: 3.8 grams per litre.
APAS target level: 55 grams per litre (Interior sealer).
(Australian Paint Approval Scheme compliance level).