Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood
The Blue Tag 7 mm MCA Treated Ply (Selex), supplied by SA Home Builder Store, is a high-quality structural plywood panel designed for durability and long-term performance in construction environments. Manufactured from radiata pine and treated with Micronized Copper Azole (MCA), this plywood offers enhanced resistance to moisture, fungi and termite attack, making it suitable for both interior and exterior applications.
Key Features
Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood

- 7 mm Thickness: Lightweight yet strong panel suitable for roofing and structural applications.
- MCA Treated Timber: Treated with micronized copper for protection against decay, fungi and insects.
- Blue Tag Structural Grade: Indicates compliance with structural performance standards for building use.
- Moisture & Weather Resistant: Suitable for indoor and outdoor environments.
- Radiata Pine Core: Strong, stable and easy to work with.
- Low Emission Adhesive: Uses phenol-formaldehyde adhesive compliant with E1 standards.
Technical Specifications
Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood
| Specification | Detail |
|---|---|
| Product Name | Blue Tag 7 mm MCA Treated Ply (Selex) |
| Thickness | 7 mm |
| Material | Radiata Pine Plywood |
| Treatment | Micronized Copper Azole (MCA) |
| Standard Size | Approx. 1220 mm × 2440 mm |
| Adhesive | Phenol-formaldehyde (E1 emission standard) |
| Moisture Content | Approx. 8% – 19% |
| Application | Roofing, purlins, sheathing, construction |
Benefits
Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood
- Enhanced Durability: MCA treatment protects against rot, termites and fungal decay.
- Structural Reliability: Suitable for load-bearing and support applications.
- Versatile Use: Can be used in roofing, wall sheathing and general construction.
- Weather Resistant: Performs well in humid and outdoor environments.
- Easy Handling: Lightweight panels simplify transport and installation.
Typical Applications
Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood
- Roof sheathing and underlay boards
- Purlins and structural timber support systems
- Wall cladding and bracing
- Outdoor sheds and building structures
- General construction and DIY carpentry
Installation & Storage Tips
Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood
- Store plywood flat on a dry, level surface to prevent warping.
- Keep panels covered and protected from direct weather exposure before installation.
- Allow small expansion gaps (3–4 mm) between sheets during installation to accommodate movement.
- Use appropriate fasteners and structural supports for roofing or load-bearing applications.
Why Choose SA Home Builder Store?
Blue Tag 7 mm MCA Treated Ply – Selex Structural Treated Plywood

SA Home Builder Store supplies premium structural materials like the Blue Tag 7 mm MCA Treated Ply — trusted for durability, strength and long-lasting performance. With expert advice, reliable delivery and quality-assured products, you can build confidently for both residential and commercial projects. Order Here.


