Sopratherm GA4070 70mm PIR Board

70mm Sopratherm GA4070 PIR Insulation Board (formerly Celotex GA4000) represents a premium polyisocyanurate rigid insulation solution engineered for diverse construction applications. This board delivers a thermal conductivity rating of 0.022 W/mK, providing robust thermal performance and substantial heat loss reduction across residential and commercial projects.

Manufactured by Soprema, the SOPRATHERM insulation boards feature aluminium foil facings on both sides, which optimise thermal efficiency and function as an effective vapour control layer when properly fitted.

70mm SOPRATHERM GA4070 is supplied in a single thickness and holds BBA certification (Certificate 25/7318) for multiple construction scenarios:

1. Pitched roof insulation
2. Internal dry lining systems
3. Floor insulation

Pack Size & Coverage

1. Brand: Soprema
2. Product Range: SOPRATHERM GA4070 (formerly Celotex GA4000)
3. Thickness: 70mm
4. Dimensions: 2400 × 1200 mm
5. Board Length: 2400mm
6. Board Width: 1200mm
7. Board Coverage: 2.88m2
8. Pieces Per Pack: 1
9. Thermal Conductivity: 0.022W/mK
10. Thermal resistance (Rd): 3.15 m².K/W
11. Compressive Strength: 120 kPa
12. Density: 31kg/m3
13. Fire Rating: Euroclass F
14. Material: PIR
15. Finishing top: Alu-kraft
16. Finishing bottom: Alu-kraft
17. Edge Profile: Straight
18. Facing: Low Emissivity Foil
19. Aluminium foil surface emissivity: 0.05
20. Weight (kg/m2): 0.79kg/m2
21. BBA certified: Certificate 25/7318 (Pitched Roof, Dry Lining, Floor Insulation)

Sopratherm GA4070 Applications

The 70mm SOPRATHERM board functions as a versatile insulation solution suitable across numerous construction scenarios. Its straightforward installation and easy cutting characteristics make it practical for a broad spectrum of applications. Common installation contexts for this 70mm product include:

1. Concrete Slab (Ground Floor)
2. Suspended Timber Joist (Ground Floor)
3. Beam and Block (Ground Floor)
4. Upgrading Existing Concrete Slab (Ground Floor)
5. Timber Frame Internal Linings (External Wall)
6. Timber Frame Sheathing (External Wall)
7. Between Timber Frame Studs (External Wall)
8. Solid Masonry Internal Linings (External Wall)
9. Over Timber Rafters (Pitched Roof)
10. Sarking (Pitched Roof)
11. Below Timber Rafters (Pitched Roof)
12. Between Timber Rafters (Pitched Roof)
13. Loft Insulation – Between and Over Timber Joists (Pitched Roof)
14. Balconies & Terraces Over Joists (Flat Roof)
15. Between Timber Joists (Flat Roof)
16. Below Timber Joists (Flat Roof)

All listed applications fall within the scope of BBA Certificate 25/7318, confirming product suitability for specified construction systems when installed according to manufacturer guidelines.

Fire Performance

SOPRATHERM GA4070 achieves Euroclass F classification under Reaction to Fire testing per BS EN 13501-1.

In accordance with current UK Building Regulations on combustibility, this product cannot be used in the external walls of relevant buildings exceeding 11 metres in height.

Compliance and Installation

SOPRATHERM PIR insulation boards must be selected, fitted and detailed in line with:

• UK Building Regulations
• Relevant statutory guidance
• Applicable British Standards

The manufacturer's installation instructions Proper specification and installation guarantee effective insulation performance within the building structure and regulatory compliance.

Info

Explore our complete Sopratherm Insulation product range. We deliver throughout the UK Mainland. For project-specific product advice or bulk pricing enquiries, contact us on 02039519012 / 02038839057, email sales@insulationbee.co.uk or use Live Chat - Competitive UK Insulation Pricing.