Xps Insulation

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XPS Insulation, or Extruded Polystyrene Foam, is a specialized category of insulation materials known for its exceptional thermal resistance, moisture resistance, and structural strength. This category encompasses a variety of products from renowned vendors like Owens Corning, DuPont, and Kingspan, each offering unique features suited for different insulation needs.

Owens Corning FOAMULAR Products

The Owens Corning FOAMULAR series includes products like the NGX 250 and FOAMULAR 250 XPS Insulation Boards. These boards are known for their remarkable insulation efficiency, making them ideal for both residential and commercial roofing applications. They come in standard sizes like 4ft x 8ft and are available in various thicknesses to cater to different insulation requirements.

Dupont XPS Boards

Dupont's XPS 250 and 150 Blue Boards are distinguished by their high-quality insulation properties and durability. These boards are versatile, suitable for a wide range of applications, including roofing, wall insulation, and flooring. They are available in different sizes, ensuring flexibility for various project requirements.

Kingspan GreenGuard Series

Kingspan offers the GreenGuard LG Type IV, VII, and VI XPS Insulation Boards. These boards are known for their high compressive strength, making them ideal for high-load-bearing applications. The range includes options with different psi ratings, such as 25 psi, 60 psi, and 40 psi, providing solutions for varying structural requirements. Kingspan's boards are available in sizes like 2" x 2ft x 8ft and 2" x 4ft x 8ft, catering to diverse insulation needs.

Selecting the Right XPS Insulation Product

When choosing the right XPS insulation product, consider factors like:

  • Thermal Resistance: Higher R-value products offer better insulation.
  • Compressive Strength: Choose a higher psi rating for areas needing structural support.
  • Size and Thickness: Match the product size and thickness to your specific project requirements.
  • Application Area: Some products are better suited for roofing, while others are ideal for walls or floors.

Benefits of XPS Insulation

  • Excellent Moisture Resistance: The closed-cell composition prevents water uptake, ensuring R-value retention even in damp or below-grade conditions.
  • High Compressive Strength: Options range from light-duty (15–25 psi) to heavy-duty (40–60 psi), supporting everything from cavity walls to under-slab and plaza decks.
  • Consistent Thermal Performance: Provides reliable insulation (approx. R-5 per inch), reducing heat loss and improving energy efficiency.
  • Durability: Long-lasting, rigid boards that withstand soil pressure, freeze-thaw cycles, and mechanical stress.
  • Sustainability Options: Products like FOAMULAR® NGX® reduce environmental impact with next-generation blowing agents that cut global warming potential (GWP) by up to 90%.

Applications of XPS Insulation

  • Roof Insulation: Commonly used in low-slope and metal roof systems for high strength and thermal performance.
  • Wall Insulation: Applied as continuous insulation to minimise thermal bridging in cavity and exterior walls.
  • Foundation & Below-Grade Use: Ideal for basements, crawl spaces, and retaining walls due to its moisture and load resistance.
  • Under-Slab Insulation: Provides load-bearing support and thermal protection under concrete slabs, driveways, and garage floors.

Installation Tips

  • Ensure substrate is clean, flat, and dry before installation.
  • Cut boards to fit using a utility knife or hot-wire cutter for precise edges.
  • Stagger and tightly butt joints; use shiplap boards where possible for reduced gaps.
  • Seal edges and joints with compatible tapes or adhesives to prevent thermal breaks.
  • Protect boards from UV exposure during construction, cover promptly with membranes, cladding, or concrete.
  • Always follow the manufacturer’s technical data sheets for fastening and load-specific details.

Why Choose Roofing4US for XPS Insulation?

  • Trusted Brands: Stocking Owens Corning FOAMULAR®, DuPont Blue Board, and Kingspan GreenGuard, recognised for quality and reliability.
  • Wide Selection: Multiple board sizes, R-values, compressive strengths, and edge finishes to suit any project.
  • Sustainability Focus: Low-GWP insulation options such as FOAMULAR NGX support eco-conscious building standards.
  • Expert Support: Roofing4US provides technical guidance and product knowledge to help you choose the right insulation.
  • Fast Delivery Nationwide: Efficient logistics ensure products arrive on time for your project schedule.
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