12.5mm Gyproc FireLine MR Moisture Resistant Plasterboard 1200mm x 3000 mm

12.5mm Gyproc FireLine MR with water repellent additives in its core is used in British Gypsum wall lining and partition systems where both fire protection and moisture resistance are required. Also used for protection to structural steel. Plasterboard linings provide good fire protection owing to the unique behaviour of the non-combustible gypsum core when subjected to high temperatures. This plasterboard is one of the products that is certified to BES 6001 achieving a rating of Very Good.

Gyproc FireLine is used in wall lining and partition systems where both fire protection and moisture resistance are required. Tapered Edge - with Gyproc jointing materials for taped and filled joints or application of Thistle Board Finish or Thistle Multi-Finish plaster. Straight Edge - for plaster application, artex texture finish or undecorated applications.

It is important to observe appropriate health and safety legislation when working on site i.e. personal protective clothing and equipment etc. Manual off-loading of this product should be carried out with care to avoid unnecessary strain. Gyproc Fireline may be cut using a plasterboard saw or by scoring with a sharp knife and snapping the board over a straight edge. Holes for switch or socket boxes should be cut out before the boards are fixed using a utility saw or sharp knife.

Fix boards with decorative side out to receive joint treatment or a skim plaster finish. Lightly butt boards together. Never force boards into position. Install fixings not closer than 13mm from cut edges and 10mm from bound edges. Position cut edges to internal angles whenever possible, removing paper burrs with fine sandpaper. Stagger horizontal and vertical board joints between layers by a minimum of 600mm. Locate boards to the centre line of framing where this supports board edges or ends.

It is unsuitable for use in areas subject to continuously damp or humid conditions and must not be used to isolate dampness. They are not suitable for use in temperatures above 49C but can be subjected to freezing conditions without risk of damage. The thermal insulation and ventilation requirements of national Building Regulations aim to reduce the risk of condensation and mould growth in new buildings. However, designers should take care to eliminate all possibility of problems caused by condensation, particularly in refurbishment projects.