Celotex PL4000 Insulated Plasterboard – 72.5mm

The Celotex PL4000 PIR Insulated Plasterboard is a high-performance thermal insulation board designed to provide both insulation and a dry-lining finish in one product. This 2-in-1 solution combines a Celotex PIR insulation board with a 12.5mm tapered edge plasterboard, making it ideal for internal wall and ceiling insulation. Perfect for renovations, refurbishments, and new-build properties, the Celotex PL4000 significantly improves thermal performance, helping to reduce heat loss and cut energy bills. It’s commonly used in solid walls, masonry walls, timber frames, and pitched roofs, delivering excellent insulation and a smooth surface ready for skimming or painting.

Key Features & Benefits:

✅ High Thermal Performance:

• The Celotex PIR core provides excellent thermal insulation with a low thermal conductivity of 0.022 W/mK, reducing heat loss and improving energy efficiency.

✅ 2-in-1 Solution:

• Combines PIR insulation board with a 12.5mm plasterboard, saving time and effort during installation.
• Suitable for direct fixing onto internal walls and ceilings.

✅ Moisture-Resistant:

• Acts as a barrier to moisture and condensation, protecting the building structure.

✅ Lightweight & Easy to Install:

• The lightweight design allows for quick and easy handling, cutting, and fixing.
• Can be easily secured using drywall screws or adhesive bonding.

✅ Energy Cost Savings:

• Reduces heat loss through walls and ceilings, helping to lower energy bills.
• Increases thermal comfort by keeping the house warm in winter and cool in summer.

✅ Suitable for Multiple Applications:

• Ideal for internal wall insulation, ceiling insulation, and solid wall refurbishments.
• Suitable for residential and commercial buildings.

✅ Compliant with Building Regulations:

• Meets the UK Building Regulations Part L for thermal performance in buildings.

Where to Use Celotex PL4000 Insulated Plasterboard?

The Celotex PL4000 PIR Insulated Plasterboard is commonly used for:

1. Solid Internal Walls – Fix directly to internal walls to improve insulation.
2. Ceiling Insulation – Install on ceilings to reduce heat loss from roof spaces.
3. Timber and Steel Frames – Perfect for dry-lining in new build or renovation projects.
4. Room Upgrades – Ideal for upgrading existing walls to improve energy efficiency.

Available Sizes:

The Celotex PL4000 Insulated Plasterboard comes in various sizes to suit different project requirements. The standard thickness sizes typically include:

• 25mm PIR + 12.5mm Plasterboard (37.5mm total)
• 50mm PIR + 12.5mm Plasterboard (62.5mm total)
• 75mm PIR + 12.5mm Plasterboard (87.5mm total)
• 100mm PIR + 12.5mm Plasterboard (112.5mm total)

Choosing Celotex PL4000 Insulated Plasterboard means you’re combining two essential materials in one panel – PIR insulation and plasterboard. This reduces installation time, minimizes material costs, and significantly improves thermal performance. Whether you’re working on a home renovation, garage conversion, or new build, Celotex PL4000 is the ideal solution.