Sandtex Trade Flexi Primer Undercoat
Information
A premium, versatile primer undercoat designed for exterior wood, offering proven durability over 10 years. It establishes an optimal base for eggshell and gloss finishes, with a solvent-based formula ensuring superior adhesion to wood surfaces. This formulation flexes naturally with wood movement, effectively preventing flaking and cracking. Sandtex® Trade Flexible Primer Undercoat delivers outstanding opacity on exterior wood and joinery, including doors, window frames, gates, fences, and other outdoor timber structures.
- Flexible formula that resists cracking and peeling
- Exceptional opacity
- High-quality professional standard
- Proven durability of 10 years
Specifications
| Area | Exterior |
| Recommended Use | Wood |
| Base | Solvent Based |
| Coverage | Up to 15m² per litre |
| Drying Time | 4-6 hours |
| Re-Coat Time | 16 hours |
| Recommended Coats | 1-2 Coats |
| Application Method | Brush or roller |
| Clean Up | Wash equipment with a proprietary cleaner |
Preparation
- Ensure the surface is thoroughly clean, dry, and free from any substances that could affect adhesion.
- Weathered or greyed wood should be sanded to achieve a smooth, clean surface.
- Previously painted surfaces should be cleaned and lightly sanded to promote adhesion.
Application
It's recommended to perform a test patch on the surface to ensure satisfaction with the final appearance.
- Before use, stir well and apply with a brush or roller.
- Apply evenly and generously without spreading the paint too thinly.
- If multiple coats are necessary, allow 16 hours between applications.
- Avoid application when temperatures may drop below 8°C or when relative humidity exceeds 80% during application or drying.
FAQ's
Q. Why is Sandtex Trade Flexible Primer Undercoat described as flexible?
A. The term "flexible" refers to its ability to expand and contract with temperature and humidity changes. This characteristic helps prevent cracking, flaking, and peeling of the paint over time, particularly on exterior surfaces exposed to weather conditions.
Q. Does Sandtex Trade Flexible Primer Undercoat enhance adhesion?
A. Yes, this primer undercoat exhibits excellent adhesion properties, ensuring strong bonding to various surfaces including wood, metal, and previously painted substrates. It provides a durable base for the topcoat, promoting long-lasting paint performance.
Product Information
Product Information
Shipping & Returns
Shipping & Returns





Sandtex Trade Flexi Primer Undercoat
Sandtex Trade Flexi Primer Undercoat
Information
A premium, versatile primer undercoat designed for exterior wood, offering proven durability over 10 years. It establishes an optimal base for eggshell and gloss finishes, with a solvent-based formula ensuring superior adhesion to wood surfaces. This formulation flexes naturally with wood movement, effectively preventing flaking and cracking. Sandtex® Trade Flexible Primer Undercoat delivers outstanding opacity on exterior wood and joinery, including doors, window frames, gates, fences, and other outdoor timber structures.
- Flexible formula that resists cracking and peeling
- Exceptional opacity
- High-quality professional standard
- Proven durability of 10 years
Specifications
| Area | Exterior |
| Recommended Use | Wood |
| Base | Solvent Based |
| Coverage | Up to 15m² per litre |
| Drying Time | 4-6 hours |
| Re-Coat Time | 16 hours |
| Recommended Coats | 1-2 Coats |
| Application Method | Brush or roller |
| Clean Up | Wash equipment with a proprietary cleaner |
Preparation
- Ensure the surface is thoroughly clean, dry, and free from any substances that could affect adhesion.
- Weathered or greyed wood should be sanded to achieve a smooth, clean surface.
- Previously painted surfaces should be cleaned and lightly sanded to promote adhesion.
Application
It's recommended to perform a test patch on the surface to ensure satisfaction with the final appearance.
- Before use, stir well and apply with a brush or roller.
- Apply evenly and generously without spreading the paint too thinly.
- If multiple coats are necessary, allow 16 hours between applications.
- Avoid application when temperatures may drop below 8°C or when relative humidity exceeds 80% during application or drying.
FAQ's
Q. Why is Sandtex Trade Flexible Primer Undercoat described as flexible?
A. The term "flexible" refers to its ability to expand and contract with temperature and humidity changes. This characteristic helps prevent cracking, flaking, and peeling of the paint over time, particularly on exterior surfaces exposed to weather conditions.
Q. Does Sandtex Trade Flexible Primer Undercoat enhance adhesion?
A. Yes, this primer undercoat exhibits excellent adhesion properties, ensuring strong bonding to various surfaces including wood, metal, and previously painted substrates. It provides a durable base for the topcoat, promoting long-lasting paint performance.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Information
A premium, versatile primer undercoat designed for exterior wood, offering proven durability over 10 years. It establishes an optimal base for eggshell and gloss finishes, with a solvent-based formula ensuring superior adhesion to wood surfaces. This formulation flexes naturally with wood movement, effectively preventing flaking and cracking. Sandtex® Trade Flexible Primer Undercoat delivers outstanding opacity on exterior wood and joinery, including doors, window frames, gates, fences, and other outdoor timber structures.
- Flexible formula that resists cracking and peeling
- Exceptional opacity
- High-quality professional standard
- Proven durability of 10 years
Specifications
| Area | Exterior |
| Recommended Use | Wood |
| Base | Solvent Based |
| Coverage | Up to 15m² per litre |
| Drying Time | 4-6 hours |
| Re-Coat Time | 16 hours |
| Recommended Coats | 1-2 Coats |
| Application Method | Brush or roller |
| Clean Up | Wash equipment with a proprietary cleaner |
Preparation
- Ensure the surface is thoroughly clean, dry, and free from any substances that could affect adhesion.
- Weathered or greyed wood should be sanded to achieve a smooth, clean surface.
- Previously painted surfaces should be cleaned and lightly sanded to promote adhesion.
Application
It's recommended to perform a test patch on the surface to ensure satisfaction with the final appearance.
- Before use, stir well and apply with a brush or roller.
- Apply evenly and generously without spreading the paint too thinly.
- If multiple coats are necessary, allow 16 hours between applications.
- Avoid application when temperatures may drop below 8°C or when relative humidity exceeds 80% during application or drying.
FAQ's
Q. Why is Sandtex Trade Flexible Primer Undercoat described as flexible?
A. The term "flexible" refers to its ability to expand and contract with temperature and humidity changes. This characteristic helps prevent cracking, flaking, and peeling of the paint over time, particularly on exterior surfaces exposed to weather conditions.
Q. Does Sandtex Trade Flexible Primer Undercoat enhance adhesion?
A. Yes, this primer undercoat exhibits excellent adhesion properties, ensuring strong bonding to various surfaces including wood, metal, and previously painted substrates. It provides a durable base for the topcoat, promoting long-lasting paint performance.




















