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75mm URSA 35 Cavity Wall Insulation Slab 1350mm x 455mm 4.91m2 2143385
SKU
BH000410
From £35.30 £29.42
- Excellent acoustic insulation
- Minimises the risk of condensation
- Durable and long-lasting
- Non- combustible
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Description
Product Information
URSA 35 Cavity Wall Insulation Slab is made up of semi-rigid glass mineral wool slab treated with silicon-based water repellent. This product has been aimed to reduce the risk of condensation, to provide warmer living conditions and improved sound insulation. Moreover, it is produced from an organic resource and may utilise 80% glass waste.
Use & Application
URSA 35 Cavity Wall insulation slab is suitable for:
- Full fill cavity insulation systems – up to 25mm high
- Partial fill cavity insulation systems – up to 25mm high
Benefits
- Excellent acoustic insulation
- Environmentally friendly
- Minimises the risk of condensation
- Durable and long-lasting
- Easy to handle & install
- Maintenance-free
| Brand | URSA |
| Length | 1350mm |
| Width | 455mm |
| Thickness | 100mm |
| Thermal Conductivity | 0.035 W/mK |
| Coverage | 3.69 m2 |
| Density | 18.5 kg/m3 |
| Fire performance | Euroclass A1 non- combustible |
Specification
| Brand | URSA |
|---|---|
| Length | 1350mm |
| Width | 455mm |
| Thickness | 75mm |
| Coverage | 4.91m² |
| Features | Non combustible , Thermal |
| Thermal Conductivity | 0.035 W/mK |
| Fire Rating | A1 (non-combustible) |
| Weight | 8 kgs |
| Manufacturer Part Number | 2143385 |
Data Sheets
Delivery Information
Delivery Information
We offer fast and reliable delivery across London, Essex, and surrounding areas beyond the M25.
- We aim to deliver on the same or next working day whenever possible for stocked items.
- The standard delivery timeframe is 1–5 working days, depending on your location and product type.
- Orders are delivered kerbside only — please notify us in advance of any access restrictions.
Once your order is placed, our Customer Care team will be in touch to confirm delivery details.
If your delivery is scheduled for the morning, we will call you the evening before to confirm the timing.
We also send a confirmation email once your order is booked in.
While we always aim to deliver on time, please note that delays may occasionally occur due to circumstances beyond our control (e.g. traffic, supplier delays, access restrictions).
Delivery Areas & Charges
Minimum order values vary by postcode.
Click here to view our full postcode list and delivery thresholds
If your postcode isn’t listed, we may still be able to deliver — please share your address and basket total, and we’ll confirm availability within 24 hours.
Returns & Refunds
- We accept returns within 28 days for most unused and resaleable items.
- A restocking fee and collection charge may apply.
- Some items (e.g. custom-made, opened, or time-sensitive materials) are non-refundable.
- Refunds are processed within 28 days to the original payment method.
Please view our full returns policy
Stocked vs. On-Request Products
- Stocked items are dispatched promptly from our local branches.
- On-request or special order items may take longer. We’ll confirm the expected lead times after checkout.
Questions & Answers
Customer Questions
Reviews
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