140mm Concrete Block 7N

The 140mm Concrete Block 7N from Aggregate Industries is a low-weight, high-strength building block designed for thermal efficiency and ease of manual handling. With a compressive strength of 7.3 N/mm², this block is ideal for use in a range of applications, including walls both above and below ground, as well as in block and beam floors. Its proven technical performance ensures reliability in structural applications, making it suitable for both professional tradespeople and competent DIY users.

This concrete block not only provides excellent durability and load resistance but also excels in sound insulation, achieving Rw values of 45 dB. Additionally, it offers significant periods of fire resistance, ensuring safety in line with building regulations. The block serves as an ideal background for drylining, plastering, and rendering, making it a versatile choice for various building tasks.

Specifications

Dimensions: 440 mm x 215 mm x 140 mm
Material: Concrete
Weight: 26.4 kg
Density: 1960 kg/m³
Water Absorption: 23%
Reaction to Fire: Class A1
Durability: F1, frost resistant
Thermal Conductivity: Internal 1.29 W/mK, External 1.38 W/mK
Sound Insulation: Rw 45 dB
Unit Format: Solid

Key Features

• Dense aggregate block suited to a number of high loadbearing applications
• Suitable for use in walls above and below ground and in block and beam floors
• Proven high level of technical performance
• Excellent acoustic performance with good sound insulation properties
• Ideal for use as a background for drylining, plastering, and rendering
• Provides excellent periods of fire resistance
• Frost resistant, ensuring durability in various climates
• Lightweight design enhances manual handling efficiency
• Versatile for internal and external applications, including load-bearing walls