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Unit 3 – Plaster – Construction and Building Materials Course – 2026 – Lecture Summary and Study Notes

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This document summarizes the key concepts covered in Unit 3 on plaster within a construction or building materials course. It explains the properties, types, applications, and preparation methods of plaster used in building and finishing work. The material helps students understand plaster composition, mixing techniques, surface preparation, and common uses in construction.

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Institution
New York Plasterer License
Course
New York Plasterer License

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What are the two main types of plaster?


Gypsum and Portland Cement


Gypsum is also called_____?


Sheet rock


Type (R) is what kind of sheet rock?


Regular core


What kind of sheet rock is fire resistant?


Type X


Type WR is what kind of sheet rock?


Water resistant


what are two other types of sheet rock?


Pre-finished wallboard and foil backed


Name three drywall screw types and their use.


Type W- wood screws
Type S- Sheet metal screws
Type G- Gypsum screws


Besides screws, what else is used as a fastener for dry wall?


Nails


What are five applications for gypsum plaster?


Over plaster bases, gypsum lath, metal lath, masonry, concrete


Is Portland cement used both inside and outside?


yes


When would you use portland cement?


in high moisture content areas

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Institution
New York Plasterer License
Course
New York Plasterer License

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March 9, 2026
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Written in
2025/2026
Type
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In my profile, you'll find a range of study resources, including detailed lecture notes, comprehensive summaries, and challenging practice exams. These materials are designed to help you grasp key concepts, review efficiently, and perform your best during assessments.I'm here not just to share but also to learn. Feel free to connect, ask questions, and share your insights. Together, we can make the learning journey more enriching. Browse through my materials, and I hope you find them beneficial for your academic success. Happy studying!

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