SDF Naturals Topcoat – Durable Exterior Wood Finish

SDF Naturals Topcoat is a highly protective, exceptionally durable topcoat system designed to enhance and protect exterior wood surfaces. Ideal for use over Sansin SDF base coats, it provides a low-lustre, natural finish that resists moisture, UV radiation, and weathering. Suitable for siding, soffits, decks, logs, and timbers, SDF Naturals Topcoat ensures long-lasting beauty and protection for your wood projects.

Key Features

• Enhances the natural beauty of wood with a low-lustre finish.
• Provides superior protection against moisture and UV damage.
• Breathable formula allows wood to maintain its natural moisture balance.
• Low in VOCs and non-flammable, ensuring safe application and use.
• Easy soap and water cleanup.
• Will not crack, peel, or blister over time.

Application Guidelines

• Preparation: Ensure wood surfaces are clean, dry, and free from defects. Use Sansin Multi-Wash for cleaning if necessary.
• Application Methods: Apply by brushing, spraying, or dipping. Always back-brush to ensure even coverage and penetration.
• Coating Schedule: Typically applied as a second or third coat over Sansin SDF base coats. Allow 24 hours between coats.
• Drying Time: Touch dry in 4–6 hours at 20°C (68°F). Full cure achieved in 24 hours.
• Coverage: Approximately 330 sq.ft. per US gallon.

Maintenance

• Vertical surfaces require maintenance every 4–6 years, depending on exposure and number of coats applied.
• Regular cleaning with Sansin Multi-Wash is recommended to remove dirt and residue.
• For maintenance, clean the surface, allow to dry, and apply one coat of SDF Naturals Topcoat as per application guidelines.

Technical Specifications

Property	Specification
Appearance	Clear, Translucent, or Solid Hide
Gloss Level	Low Lustre
VOC (g/L)	Actual 47 / Regulatory 210
Solids	30% ±0.5%
pH	8.8–9.0
Viscosity	25–29 sec (#2 ZAHN Cup at 20°C)
Specific Gravity	1.02–1.04
Drying Time (Touch)	4–6 hours at 20°C (68°F)
Drying Time (Between Coats)	24 hours
Coverage	330 sq.ft. per US gallon
Cleanup	Soap and Water

Downloads

• 📎SDF Naturals Topcoat Safety Data Sheet (PDF)