Sika Sikabond Waterproof PVA 5L White

Sika Sikabond Waterproof PVA 5L is a superior-quality, waterproof vinyl acetate polymer (PVA) designed for exterior and interior use. Specially formulated for durability and weather resistance, it serves as a high-strength adhesive, bonding agent, primer, and sealer across a wide range of construction materials. Suitable for brickwork, mortar, render, screed, and plaster, SikaBond Waterproof PVA enhances adhesion, reduces dusting, and prevents water ingress, making it an essential multipurpose product for both professionals and DIY enthusiasts.

Key Features and Benefits

• Waterproof Formula: Provides reliable waterproofing protection, making it suitable for outdoor use and damp conditions.
• Multi-Purpose Use: Acts as a bonding agent, admixture, primer, dustproofer, and sealer in one versatile product.
• Superior Adhesion: Improves the bond between new and existing surfaces in cementitious and masonry applications.
• Dustproofing Capability: Seals porous surfaces and reduces dust generation on concrete and screed floors.
• Ready-to-Use: No dilution required for most applications; easy to apply via brush, roller, or spray.
• Chloride-Free: Non-corrosive and safe for use around metal reinforcements.
• Enhanced Durability: Improves resistance to moisture, abrasion, and wear in plaster and screed applications.

Applications

Sika Sikabond Waterproof PVA is ideal for use in both interior and exterior environments across a wide range of building materials:

• As a bonding agent for cement screeds, renders, and plaster
• For priming porous surfaces before tiling or painting
• As a sealer for brickwork, concrete, and blockwork
• For dustproofing floors and concrete slabs
• As an admixture to enhance mortar and render adhesion and flexibility

Technical Specifications

Instructions for Use

• Surface Preparation: Ensure surfaces are clean, dry, and free from dust, grease, and contaminants.
• As a Primer/Sealer:
  • Apply undiluted or mixed 1:1 with water for porous surfaces.
  • Brush or roll on evenly. Allow to dry fully before overcoating.
• As a Bonding Agent:
  • Mix 1 part Sikabond Waterproof PVA with 1 part water.
  • Apply to substrate and while tacky, apply the mortar, render, or plaster.
• As a Mortar/Render Admixture:
  • Add approximately 0.5–1 litre per 25 kg of cement.
  • Mix thoroughly for full dispersion.
• Dustproofing Concrete:
  • Apply undiluted using brush, roller, or sprayer. Two coats may be required for heavily porous areas.

Health & Safety

• Use protective gloves and eye protection.
• Avoid direct skin and eye contact.
• In case of contact, rinse thoroughly with clean water.
• Keep out of reach of children.
• Refer to the Safety Data Sheet (SDS) for full guidance.

Frequently Asked Questions (FAQ)

Q1: What surfaces can Sika Sikabond Waterproof PVA be used on?

A: It is suitable for most cementitious surfaces including brickwork, concrete, plaster, screed, and render. It can also be used as a bonding agent between new and existing cement-based materials.

Q2: Is this product suitable for outdoor use?

A: Yes. Unlike standard PVA products, this version is specially formulated to be waterproof and durable in exterior applications.

Q3: Can I use this to waterproof concrete or screed floors?

A: Yes. When used as a surface sealer, it significantly reduces water ingress and improves surface resistance to wear and moisture.

Q4: Does this replace a traditional waterproof membrane?

A: No. While it enhances water resistance, it should not be used as a substitute for a structural or damp-proof membrane in areas subject to high water pressure.

Q5: How long does it take to dry?

A: Drying time varies based on temperature and humidity but typically ranges between 1–2 hours for thin coats.

Q6: Is the product VOC-compliant and eco-friendly?

A: Yes. It has low VOC content and is safe for use in both residential and commercial environments when used as directed.

Why Choose Sika Sikabond Waterproof PVA?

With a legacy of innovation and performance, Sika delivers industry-leading construction solutions. Sika Sikabond Waterproof PVA 5L White offers a reliable, multipurpose solution for bonding, sealing, and protecting a wide range of surfaces—backed by the trust and expertise of a global construction brand. Whether you're sealing concrete, enhancing render adhesion, or priming for painting, Sikabond ensures professional results every time.