GTEC Moisture Board

GTEC Moisture Board

A board with water resistant additives.

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Quick Guide


A board with water resistance additives designed for use in high humidity areas such as bathrooms, kitchens and integral garages.


It is composed of Aerated Calcium sulphate di-hydrate with fillers enclosed inside a green paper with bound edges. Core and papers are bonded with starch. Edge glue is PVA. 


GTEC Moisture Board can be jointed and finished with Lafarge jointing systems. The boards require priming with GTEC Universal Sealer prior to decorating and treating with PVA bonding agent before plastering.

Sizes Available:

Tapered Edge (mm)
12.5 x 1200 x 2400
12.5 x 1200 x 2400
12.5 x 1200 x 3000
15 x 1200 x 2400




Siniat, formerly Lafarge Plasterboard, is one of the UK and Ireland's leading plasterboard producers with factories in Ferrybridge and Bristol.