Rustins White Knotting is a specialized wood preparation product designed to seal resinous knots and prevent them from staining or bleeding through painted finishes. Ideal for preparing softwood surfaces before painting, this high-performance knotting solution forms a barrier over resinous or creosoted areas, ensuring a smooth, professional, and long-lasting paint finish.
Key Features & Benefits:
- Seals Knots & Resinous Timber:
Prevents unsightly resin bleed-through and staining in painted finishes.
- White Formula:
The white finish provides a better base for lighter-coloured primers and topcoats.
- Fast Drying:
Dry to the touch in approximately 1 hour, helping speed up the preparation process.
- Multi-Coat Protection:
Apply two coats for resinous or creosoted timber for complete sealing and maximum protection.
- Enhances Paint Adhesion:
Creates a stable base for most oil-based primers and paints, improving coverage and longevity.
- Easy Application:
Can be applied liberally with a brush directly to knots and surrounding areas.
Specifications:
Feature |
Detail |
Product Type |
Knot Sealer |
Colour |
White |
Base Type |
Spirit-based |
Application Method |
Brush |
Recommended Coats |
12 (as required) |
Drying Time |
Approx. 1 hour |
Coverage |
Depends on knot size and timber type |
Boxed Weight |
210g |
Clean-Up |
Methylated spirits |
Suitable For |
Resinous, creosoted, and knotty timber |
Not Suitable For |
Polyurethane clear varnishes, water-based varnishes or paints |
Application Instructions:
- Preparation:
- Sand the timber surface smooth, ensuring it is clean and dry before application.
- Remove dust with a clean cloth.
- Application:
- Apply Rustins White Knotting liberally to knots and the surrounding areas using a clean brush.
- For resinous and creosoted timber, seal completely with two coats.
- Do not sand the knotting once applied, as this may break the seal.
- Drying Time:
- Allow to dry for at least 1 hour before applying primer.
- Painting:
- Once dry, overcoat with a suitable oil-based primer and topcoat.
- Clean Up:
- Clean brushes and tools with methylated spirits immediately after use.
- Important Usage Notes:
- Do not use under polyurethane clear varnishes, water-based varnishes, or water-based paints.
These coatings may not adhere properly to knotting solutions and could result in peeling or poor finish.
- Always test on a small area before full application, especially on unfamiliar surfaces.
Ideal Applications:
- Softwood doors and windows
- Timber furniture
- Skirting boards and architraves
- Interior and exterior timber prone to knot resin bleed
- DIY and trade wood painting preparation
FAQs:
- Q1: Can this be used on hardwood?
A: Knotting is typically used on softwoods where resinous knots are present. Hardwood usually doesnt require knotting.
- Q2: Can I apply water-based paint over this?
A: No, it is not recommended to use water-based paints over knotting as they may not adhere properly.
- Q3: Should I sand the knotting after application?
A: No. Do not sand the knotting once applied, as this will break the seal and reduce its effectiveness.
- Q4: Is this suitable for outdoor use?
A: Yes, when used correctly and overcoated with a suitable outdoor primer and topcoat.
Safety & Storage Information:
- Use in a well-ventilated area.
- Keep away from open flames and sources of ignition.
- Store in a cool, dry place.
- Keep out of reach of children and pets.
- Dispose of contents/container in accordance with local regulations.
Warranty Information:
Rustins products are manufactured to high-quality standards. When applied according to instructions, they help ensure the longevity of your paintwork. For support or questions, please contact Rustins customer service.
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