# Extruded Polystyrene Insulation Board

Full listing title: Insulation Board Insulating Extruded Polystyrene Board Heat Resistant Rigid Foam Insulation Panel for Underfloor Heating

- SKU: DCD-10000812814
- Price: 548.49 USD (excludes sales tax; tax calculated at checkout). Price valid until 2026-11-23.
- Availability: In stock (20 available; up to 10 per order)
- Shipping: free standard shipping, United States only; delivered in 10-21 days from order (leaves the warehouse within 4 business days)
- Estimated delivery if ordered today (2026-10-24): 2026-11-03 to 2026-11-14
- Returns: 30 days from delivery for unused items in original packaging; customer pays return shipping unless the item is damaged, defective or not as described; refund to the original payment method within 5 business days of receiving the return (https://suntekstore.com/returns/)
- Category: Workshop & Tools (Business & Industrial)
- Condition: new; brand: SuntekStore
- Package size: 122 x 62 x 3 cm (48.0 x 24.4 x 1.2 in)
- Weight: 0.43 kg (0.95 lb)
- Material: Polystyrene
- Product size: 120 x 60 x 2 cm (47.2 x 23.6 x 0.8 in)

## Description

Product Type: This insulation board is a rigid building material designed for thermal insulation in walls, roofs, and underfloor heating projects.
Thermal Performance: As an extruded polystyrene board, it helps heat loss and supports stable indoor temperatures in everyday use.
Key Features: The foam board is shown with a hard, dense structure designed for pressure resistance, moisture control, and reliable insulation performance.
Practical Practical Uses: Used as an insulation panel, it can help improve comfort in cold rooms, damp areas, and building areas that need stronger thermal protection.
Application Range: Suitable for underfloor heating, roof insulation, wall cladding, and dampnessresistant floor layers, making it a versatile choice for different construction needs.

This insulation board is a rigid building material designed for projects that need dependable thermal protection and a firmer surface than ordinary cellular material Built as an extruded polystyrene board, it is made to help minimize heat loss transfer, so rooms stay more comfortable and heating setups can work more efficiently.

Its dense foam board structure gives it the strength needed for areas that see regular load and pressure, while also helping manage moisture in water-resistant damp environments. That makes it a practical insulation panel for everyday construction tasks where durability matters just as much as insulation.

Whether you are improving an underfloor heating setup, adding roof insulation, or lining wall, this insulation board offers a straightforward way to support better indoor comfort. It is also suitable for dampness-resistant floor layers in places where extra protection can make a noticeable difference.

From home renovation to larger construction projects, this extruded polystyrene board provides a versatile solution for controlling temperature and improving insulation performance. If you want a material that combines rigidity, thermal efficiency, and broad usability, fits effortlessly into many building and remodeling plans.

Option: 2cm

## How to buy

Open https://suntekstore.com/buy/DCD-10000812814?qty=1 (change qty to 1-10). It redirects to Stripe Checkout; the shopper enters a US shipping address and pays there. No account or cart needed.

## Links

- Product page: https://suntekstore.com/p/DCD-10000812814/
- JSON: https://suntekstore.com/products/DCD-10000812814.json
- Image: https://suntekstore-img.sfo3.digitaloceanspaces.com/p/6c/6c22d1dc34ca854aba3f8e5c93f0157f4d72ead0.jpg
- Store policies: https://suntekstore.com/llms.txt