

Kemwell Corex A1
High performance non combustable gypsum plasterboard.
Suitable for use in a number of applications including internal walls, ceilings and roofs, as well as encasing structural steel.
Fire Reaction Class: A1 Non Combustible EN13501-1.
Up to 120 minutes fire resistance subject to system and application.
The boards are dimensional stable resulting in minimal shrinkage and expansion.
Thicknesses and Availability:
Good availability for delivery in and around London.
These items can be delivered nationwide, however, additional courier charges will apply. Please contact me with you requirements and I will confirm costs.
This Kemwell Corex A1 Range includes the following readily available product thicknesses: 12.5mm and 15mm.
The folllowing thicknesses are manufactured to order: 20mm and 25mm, with lead times of approx. 8 weeks.
Product Information
General information about Kemwell Corex A1
Product Application
General application non combustable building board
Kemwell's high performance non combustable plasterboard, Corex A1, is suitable for use in internal walls, ceilings and roofs, as well as shaft walls and structural steel protection.
Product Make-up
Core
Kemwell Corex A1 is a non combustable gypsum board reinforced with special additiives to enhance fire resistance.
Facings
Faced on both sides with a non-flamable fiberglass mat.
Product Properties
Thickness | 12.5mm and 15mm | |
Board Length | 2m | |
Board Width | 1.2m | |
Board Edge | Square |
Product Prices
Buy Kemwell Corex A1
Our Kemwell delivery areas
We are able to deliver Kemwell products to the post code areas highlighted in green.
We may be able to deliver Kemwell products outside of these post code areas, however, additional delivery charges will apply.
While we sell Kemwell products in full pallets, it is possible to split pallets, however, the manufacturer levies an £85.00 + VAT surcharge to do so.
Please contact us with your requirements, so we can check availability, lead times and costs.

Reasonable stock levels are generally held and available for delivery within the abover delivery post areas.
- Generally 1 or 3 working days for delivery
- Generally 1 to 5 working days for delivery
- Generally 5 to 10 working days for delivery
- Special request or made to order item, allow extended lead times. Minimum order levels may apply.
- Please call to check availability and approximate lead times
Product Performance and Guides
Product Performance, Manufacturer Downloads, and Installation Guides
Product Performance
Thermal Conductivity | 0.25 W/mK | |
Reaction to Fire | A1, non combustable | EN 13501-1:2007 |
Nominal Density | approx. 900 kg/m³ |
Product | Thickness | Thermal Resistance | kg/m² |
---|---|---|---|
Corex A1 12.5mm | 12.5mm | 0.05 m²K/W | 11.5 kg/m² |
Corex A1 15mm | 15mm | 0.06 m²K/W | 13.5 kg/m² |
Product Certificates
Please visit the Kemwell website for product certificates.
Product Downloads
Kemwell Fire
- 0333 344 0699
- www.kemwell-fire.com
- info@kemwell-pfp.com