Appearance
Thermal PIR Board is coloured ivory on the face with tapered edges running down the two longer sides. A cream coloured Polyisocyanurate (PIR) foam insulated board is bonded to the rear.

Composition
Aerated calcium sulphate di-hydrate enclosed inside liners made from recycled waste paper with bound edges. Core and papers are bonded with starch. Edge glue is PVA. Various thicknesses of Polyisocyanurate (PIR) are factory bonded to 12.5 mm board using PVA adhesive.

Compliance
Standard Board complies with BS EN 520:2004+A1:2009 Type A. Laminate complies with BS EN 13950: 2014
The PIR insulation complies with BS EN 13165: 2012+A2:2016

Fixing
Use either dabs of Universal Bonding compound (two additional nailable plugs required for fire safety), Wall Lining Adhesive, Shallow Wall Channels (MFCS) or the Siniat Dryliner system.

Jointing, Finishing & Painting
Siniat Thermal PIR Board should be jointed and finished with Siniat Jointing Systems. Boards are suitable for gypsum finishing plasters manufactured to BS EN 13279-1:2008. The boards require priming with Universal Sealer prior to decorating.
 

Vapour Control Layer
All Thermal PIR Boards are manufactured with enhanced vapour resistance.