What is the crystalline silica content of Gypsum plasters?
The natural Gypsum that makes up our Thistle plaster range varies slightly in composition from site to site due to natural impurities in the surrounding rock, one of these impurities is quartz, a form of crystalline silica.
Can I plaster straight onto a painted wall?
Plastering on existing painted walls is only possible if the paint and the substrate in which the paint is applied are both in very good condition.
In terms of adhesion and cleanliness, and with the application of Thistle Bond-it prior to plastering. We suggest carrying out this procedure on a trial area to determine the suitability (adhesion).
What are the recommendations for ThistlePro DuraFinish in two coat application?
When using ThistlePro DuraFinish over undercoat plasters ensure that the undercoat plaster has been prepared using Thistle GypPrime.
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.
How do I deal with high suction backgrounds?
Management of high suction backgrounds would be dependent on the substrate and the material being used.
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.
What is the coverage of a bag of plaster
The coverage varies for different types of plaster. Bag coverage in m2 for individual products can be found in our Thistle essential and ThistlePro plaster selector guides, produced in a handy reference chart format.
Where would you use Thistle Bond-it?
Thistle Bond-it is usually used in plastering applications where a background requires an improved key.