Discover the Big on Building 6ft x 6ft Dip Treated Straight Edge Lap Panel, a sturdy and stylish addition to your outdoor space. Crafted with meticulous attention to detail, this panel offers both durability and aesthetic appeal, making it an...

Features and Advantages of 70mm Celotex Insulation Board Outstanding Thermal Efficiency: With a thermal conductivity of 0.022 W/m.K, it reduces the required insulation thickness to achieve the desired U-value. Enhanced Thermal Performance: The low emissivity foil facing improves thermal performance...

Designed for performance, these high-density, precision-engineered bricks offer exceptional strength, water resistance, and thermal efficiency. With a sleek, smooth finish and uniform 73mm size, they’re perfect for load-bearing walls, retaining structures, and damp-prone environments. Key Features: Premium Compressive Strength: Engineered to...

Features and Advantages of 75mm Celotex Insulation Board Outstanding Thermal Efficiency: With a thermal conductivity of 0.022 W/m.K, it reduces the required insulation thickness to achieve the desired U-value. Enhanced Thermal Performance: The low emissivity foil facing improves thermal performance...

7×2 Treated Timber is a high quality pressure treated timber which can be used internally or externally. 7×2 (175mm x 47mm) High Pressure Treated Responsibly Sourced C16 / C24 Graded to ensure strength for structural performance May be treated green...

Features and Advantages of 80mm Celotex Insulation Board Outstanding Thermal Efficiency: With a thermal conductivity of 0.022 W/m.K, it reduces the required insulation thickness to achieve the desired U-value. Enhanced Thermal Performance: The low emissivity foil facing improves thermal performance...

8×2 Treated Timber is a high quality pressure treated timber which can be used internally or externally. 8×2 (200mm x 47mm) High Pressure Treated Responsibly Sourced C16 / C24 Graded to ensure strength for structural performance May be treated green...

Big on Building's 12.5mm Square Edge Plasterboard (2400mm x 1200mm) is a versatile and cost-effective solution for constructing smooth, high-quality walls and ceilings in both residential and commercial settings. Key Features: Standard Dimensions: Measuring 2400mm in length, 1200mm in width,...

Big on Building's 9.5mm Square Edge Plasterboard (2400mm x 1200mm) is a versatile and cost-effective solution for constructing smooth, high-quality walls and ceilings in both residential and commercial settings. Key Features: Standard Dimensions: Measuring 2400mm in length, 1200mm in width,...

Big on Building's 12.5mm Tapered Edge Plasterboard (2400mm x 1200mm) is a versatile and cost-effective solution for constructing smooth, high-quality walls and ceilings in both residential and commercial settings. Key Features: Standard Dimensions: Measuring 2400mm in length, 1200mm in width,...

Features and Advantages of 90mm Celotex Insulation Board Outstanding Thermal Efficiency: With a thermal conductivity of 0.022 W/m.K, it reduces the required insulation thickness to achieve the desired U-value. Enhanced Thermal Performance: The low emissivity foil facing improves thermal performance...

Big on Building proudly presents our premium 9mm Hardwood Plywood Class 3, a testament to superior craftsmanship and enduring quality. Engineered for performance, this plywood sheet is the perfect choice for construction professionals and DIY enthusiasts alike. Product Details: Thickness:...