Kemwell PFP Corex A1 non combustable plasterboard Kemwell Fire Protection

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


Kemwell Corex A1 is a non combustable gypsum board reinforced with special additiives to enhance fire resistance.


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

Product ex-VAT inc-VAT
Kemwell Corex A1 12.5mm, 40 x 1.2x2m = 96m² £1,579.83 £1,895.79
Kemwell Corex A1 15mm, 32 x 1.2x2m = 76.8m² £1,507.63 £1,809.15

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.

Kemwell Corex A1 delivery areas

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.