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Thistle GypPrime

Thistle GypPrime

Primer to reduce suction on very dry backgrounds.

A suction control primer to give a lower suction base on very dry backgrounds. Applied by roller or brush onto the background, this can then be plastered when it has soaked into background and has dried. Yellow in colour to aid identification of treated areas. Typical coverage needed for 100m² is approx. 11 litres undiluted. 11 litres can also be diluted to give 300m² of coverage at a ratio of 1:2 and 600m² at a ratio of 1:5 with fresh water.


BES 6001 

  • Lengthens the working time of plasters on very high suction backgrounds by helping them retain water, and minimises potential for adhesion failure caused by rapid dry-out
  • Yellow in colour - easy to avoid missing any areas
  • Can be diluted - normally 1 part to 5 parts water provides adequate suction control, or can be used neat if necessary to control extremely severe suction
  • One tub covers up to 600 sq.m (diluted 1:5) or 100 sq.m undiluted
  • Easily applied by suitable roller, brush or spray 
  • Large container allows application directly from the tub
  • Helps to consolidate dusty backgrounds
  • This product is certified to BES 6001 achieving a rating of 'Excellent'
Order CodeDimensions
04267/611 litre tub

What is the coverage of Thistle GypPrime?

The 11 litre tub will cover approx. 100m2 if used undiluted (equates to 9m2 per litre). Please refer to WHITE BOOK Chapter 10 Section 06 Page 07 for more details.

Can I apply Thistle MultiFinish to sand & cement undercoats?

Thistle MultiFinish would be suitable although suction may need to be controlled (e.g. with Thistle GypPrime).

What backgrounds are in scope for Thistle UniFinish?

Thistle UniFinish can be used on most commonly encountered backgrounds in re-skimming jobs.

How do I deal with high suction backgrounds?

Our Thistle GypPrime product should be used to pre-treat surfaces where suction is extremely high.

Can Thistle UniFinish be used with ThistleBond-it and Thistle GypPrime?

Yes, Thistle UniFinish is compatible with these products.

What are the recommendations for Thistle DuraFinsh in two coat application?

When using Thistle DuraFinish in a two coat application the surface of the undercoat should be prepared using Thistle GypPrime.