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FAQs

Below you’ll find all of the information needed to complete wall lining, partition, floor and ceiling systems, no matter the size and complexity of the project specification.
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What is the coverage of Thistle GypPrime?

Thistle GypPrime can be diluted, normally a ratio of 1:5 parts water provides adequate suction control, or it can also be used neat if necessary to control extremely severe suction. One tub covers up to 600 sqm (diluted 1:5) or 100 sqm undiluted.

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What is the vapour resistance of Gyproc WallBoard Duplex plasterboard?

Gyproc WallBoard Duplex and Gyproc FireLine Duplex have a water vapour resistance factor (μ) 1400 EN 14190: 2014. Condensation is common where cold meets warm in areas like roof spaces and external walls. The board's vapour control backing stops condensation entering in these areas, preventing it from affecting the structure of the building.

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What screw lengths do I use for fixing to metal and timber?

The screw should be the thickness of the board plus a minimum 10mm penetration into Gypframe metal or the thickness of the board plus a minimum 25mm penetration into timber using our British Gypsum screws.

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Is Gyproc FireStrip required?

This is used within our Internal Partition and Shaftwall systems with deflection heads (when needing to allow for movement within the structure at the head of a partition created by live and dead load on the floor or roof). The Gyproc FireStrip is an essential component in maintaining the fire resistance performance at the top of a partition with a deflection head.

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What is the minimum board width stagger?

We recommend to stagger standard sized boards by 600mm vertically and horizontally.

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How do I deal with high suction backgrounds?

Management of high suction backgrounds would be dependent on the substrate and the material being used.

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How much Gyproc DriWall Adhesive will I need?

A 25kg bag of Gyproc DriWall Adhesive is suitable for two 1200x2400mm plasterboards under normal use, however more adhesive will be required if the background is not plumb or straight.

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What is the sound insulation performance of Gyproc plasterboard?

Gyproc plasterboard does not have stand alone sound insulation performance. However, data can be found in the White Book Specification Selector for its performance as part of a system.

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