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Item: 164849

Imperial® Veneer Basecoat

High-strength, veneer plaster produces a hard, abrasion-resistant surface for commercial and residential applications where walls are exposed to significant traffic.

Overview

This high-strength, veneer plaster produces a hard, abrasion-resistant surface for commercial and residential applications where walls are exposed to significant traffic. Imperial® Veneer Basecoat is designed for two-coat applications over Imperial® Gypsum Base to provide non-combustibility, directly over porous concrete block, or Plaster Bonder on monolithic concrete, Fiberock® Abuse-Resistant Interior Panels, and Durock® Brand Cement Board. It's available in thicknesses from 1/16-inch to 3/32-inch.

Main Features

Imperial® Plaster Systems are designed for interior wall and ceiling surfaces in all types of construction, particularly for hard-wear locations where durability and abrasion-resistance are required.
  • USG Imperial® Veneer Basecoat offers the durability needed in high-traffic areas
  • Permanent bond. USG Imperial® Veneer Basecoat bonds to USG Imperial® Gypsum Base in a positive, permanent manner
  • Provides noncombustibility. When used with Imperial® Gypsum Base, Imperial® Plaster Systems provide fire resistant construction
  • Can be applied directly to concrete block or over a bonding agent to monolithic concrete
  • Not affected by decay, dry rot or normal humidity

Applications

  • Administrative Offices
  • Auditoriums and Gymnasiums
  • Bars Restaurants and Dining Areas
  • Cafeterias
  • Classrooms
  • Convention and Meeting Rooms
  • Corridors and Hallways
  • Department Stores and Boutiques
  • Dormitories
  • Executive Areas, Conference Areas and Board Rooms
  • Exterior Soffits and Indoor Parking Garage
  • Galleries and Exhibit Spaces
  • Garages
  • Grocery Stores
  • Guest Rooms and Suites
  • Health and Fitness
  • Kitchens and Food Prep Areas
  • Laboratories, Operating Rooms and Imaging Rooms
  • Lobbies and Reception Areas
  • Locker Rooms, Shower Areas and Pools
  • Mall Interior Spaces
  • Mechanical Rooms
  • Media Centers, Music Rooms and Libraries
  • Multi-Family Residential and Condos
  • Nurseries and Birthing Rooms
  • Open Plan Offices
  • Patient Rooms
  • Restrooms, Utility Rooms and Loading Docks
  • Single-Family Residential
  • Stairways and Elevator Shafts
  • Theatres
  • Traditional Offices
  • Warehouses

Specifications

Submittal Sheet PDF 213.8 KB

Performance

  • Mold & Mildew Resistance
    Contains a broad-spectrum antimicrobial additive on the face and back of the panel that provides resistance against the growth of mold and mildew. Includes sag-resistance performance.
    No

Sustainability

  • GREENGUARD Certification
    GREENGUARD Certification helps consumers choose building materials with lower VOC (volatile organic compound) emissions, which improves indoor air quality.
    Yes

Documents & Files

Catalogs & Brochures

System Catalog (English) PDF 4.3 MB
Brochure (English) PDF 2.4 MB

Installation & Technical Manuals

Technical Guide (English)
Installation Guide (English) PDF 73.9 KB

SDS, Certifications & Reports

SDS (English) PDF 201.8 KB
SDS (Spanish) PDF 203.4 KB

Ask a question

Our customer support team will get back to you within 48 hours

Question Guidlines

  • Questions should relate to this product specifically.
  • For help with pricing, availability, or delivery, please call 800.874.4968 (Monday–Friday, 7am–6pm Central)
  • All questions and answers follow USG’s Terms & Conditions.
  • Your question and USG’s answer may be posted to this page in the future, but none of your personal info will be included.

q & a

  • What is the recommended stud spacing for installing conventional plaster?

    Do not exceed 16 inches on center.

  • Can conventional 3-coat plaster be used with drywall grid?

    Yes. If the main tees, cross tees and hanger wires are properly sized and spaced to carry the plaster load and only Red Top®; Structo-base® gypsum basecoat plaster is used for the scratch and brown coats.

  • Can USG Veneer Plaster be applied directly over CMU?

    The CMU must cure for at least 45 to 60 days prior to the plaster application. Refer to USG system folder SA920 for specific application directions.

  • When can veneer plaster be painted?

    Veneer plaster can be painted when it is completely dry. The best way to determine if the plaster is dry is by taping a piece of 12" by 12" plastic to the surface. If any moisture remains on the plastic after 24 hours then the plaster is not completely dry.

  • What are the only base coat plasters that can be used as the scratch and brown coat for a conventional 3-coat application over wide-flange (1 inch or greater) framing?

    USG has three products that can be used: Red Top® Gypsum Plaster, Red Top® Wood-Fiber Gypsum and USG® Structo-Base® Gypsum Plaster.

  • Can plaster be used for grouting doorframes?

    Yes, but only on open throat doorframes, per door manufactures requirements. Red Top® Gypsum Plaster mixed with sand is most commonly used for full grouts. (Recommendation: 1-part Red Top Gypsum/ 2-parts sand per bag) 

    See the Gypsum Construction Handbook for full details.

  • When can a conventional plaster system be painted?

    A conventional plaster system can be painted after it is completely dry.

  • What is the shelf life of plaster?

    Plaster can be stored 3-6 months if it is stored in a cool, dry place, protected from extreme heat and cold, direct sunlight and at a temperature above 45°F (7°C).

  • What is the best way of repairing an old wood lath plaster application?

    Remove the old plaster down to the wood lath, staple metal over the existing lath and apply Red Top® sanded conventional basecoat over the metal lath. Any USG finish plaster can be applied over the basecoat plaster for a final coat.

  • What paints are recommended for decorating veneer plaster?

    Consult paint manufacture for proper primer selection for both lime-containing finish plasters, such as Diamond® Veneer Finish; or non-lime-containing finish plasters such as Imperial® Veneer Finish. See literature piece PM15 for Preperation for Painting details.

  • Can Veneer Plaster be applied to sun-faded USG Imperial® Brand Gypsum Base?

    No. An alum spray must be applied prior to application.

  • What are the deflection design criteria for installing plaster systems?

    When installing a veneer plaster system it should be designed at deflection L/240 and L/360 for a Conventional Plaster system.

  • What is the difference between USG Imperial® Veneer Finish Plaster and USG Diamond® Veneer Finish Plaster?

    USG Imperial® Veneer Finish Plaster is stronger and more abrasion resistant.

    USG Diamond® Veneer Finish Plaster is designed for ease of use and slightly improved abrasion resistance when compared to gypsum panels.

  • What is the recommended spacing of control joints for a plaster system?

    Control joints are not to exceed 30 feet for walls and ceilings. The spacing for a ceiling with perimeter relief is not to exceed 50 feet.

  • Can USG Red Top® Brand Finish Plaster be applied over Veneer Basecoats?

    Yes. Mill-mixed USG Red Top® Brand Finish Plaster or other job-site lime/gauging plasters can be applied over Veneer Basecoats.

  • Have a question?

    Let us do research and get back to you (usually within 48 hours).

    Ask USG
  • Need help right away?

    Call our Technical Support team at 800-874-4968 (Monday-Friday, 7am-6pm Central).

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