Keene's Cement

Definition

Keene's cement is a type of cement composed of finely ground, anhydrous, calcined gypsum, with the set accelerated by additional materials. It is used for areas subjected to moisture and creates a hard, strong finishing plaster.

Purpose

The purpose of Keene's cement is to provide a durable and moisture-resistant finish for plastered surfaces. It is known for its hardness, strength, and ability to maintain a high polish, making it ideal for high-traffic and moisture-prone areas.

Examples of Use

1. Bathrooms and Kitchens: Keene's cement is used for plastering walls and ceilings in bathrooms and kitchens due to its moisture resistance.
2. Public Buildings: It is commonly applied in public buildings like schools and hospitals, where durable and easy-to-clean surfaces are required.
3. Decorative Plastering: Keene's cement is used for decorative plaster finishes that require a high polish and intricate detailing.

Related Terms

• Gypsum Plaster: A type of plaster made from gypsum, used for interior wall and ceiling finishes.
• Hydraulic Cement: Cement that sets and hardens by chemical reaction with water and is capable of doing so underwater.
• Plaster of Paris: A quick-setting gypsum plaster used for molding and casting.

Notes

Keene's cement requires proper mixing and application techniques to achieve the desired finish. It should be applied by skilled workers to ensure a smooth, polished surface.