Alston Interior Plaster Coffered Ceiling Beam - profile | Mouldex Composites
Alston Interior Plaster Coffered Ceiling Beam - detail view | Mouldex Composites
Alston Interior Plaster Coffered Ceiling Beam - detail view | Mouldex Composites
Alston Interior Plaster Coffered Ceiling Beam - profile | Mouldex Composites
Alston Interior Plaster Coffered Ceiling Beam - detail view | Mouldex Composites
Alston Interior Plaster Coffered Ceiling Beam - detail view | Mouldex Composites
Video: coffered ceiling beam installation by Mouldex Composites

SKU: CB1001

The Alston Interior Plaster Coffered Ceiling Beam

$140.00 per 8' Length ($17.50/Ft)

Curved sections are available on request.

  • Ceiling Depth12"
  • Wall Height8"
  • Length8 feet

The Alston is a one-piece interior coffered ceiling beam with a graceful, deep-cove profile. The soft, sweeping cove lets the grid blend smoothly into the ceiling panels, adding a sense of height and elegance.

Read more

This profile can be custom modified to suit site needs, giving generous scale without layering multiple wood members or large mouldings. Its smooth plaster finish gives a refined, monolithic surface, on a lightweight EPS core that stays dimensionally stable and straight. Primed and painted after installation.

Order FREE Sample Kit

Placing a full order? Use Live Chat on bottom right.

Technical Specifications

Ceiling Depth12"
Wall Height8"
Length8 feet
Price$140.00 per 8' Length ($17.50/Ft)Curved sections are available on request.
PerimeterPerimeter beams are available.
Core MaterialLightweight EPS foam core (ASTM C578 Type II) with a polymer-modified white cement base coat and a smooth, factory-applied plaster finish.
Dimensional StabilityUnlike wood or MDF, it won't shrink or warp with indoor humidity changes, and near-zero joint expansion keeps joints tight.
InstallationInstalled with architectural adhesive on standard drywall and plasterboard.
Read moreStandard lengths can be installed by one person.
WeightSignificantly lighter than traditional solid plaster, reducing the load on ceilings and walls.
FinishingArrives in a matte plaster-white finish.
Read morePrime, then finish with a premium interior latex paint.
FireFire-rated options are available on request with a Class A fire rating (flame spread 25, smoke developed 110) that helps meet ASTM E-84 and UL 263.
CustomizationCustom profiles, arches, barrel vaults and curved cornices.
Read moreFiberglass mesh reinforcement available on request for certain applications.

Interior Molding Summary

Inorganic composition icon

Inorganic Composition

Moisture-inert. Won't rot or warp, and less susceptible to cracking.

Versatile compatibility icon

Versatile Compatibility

Expertly bonds to drywall and decorative interior surfaces.

Bespoke customization icon

Bespoke Customization

Custom profiles, including arches and curves.

Unmatched finish icon

Unmatched Finish

Authentic plaster finish without the weight, mess or curing time of traditional plaster.

Lifetime stability icon

Lifetime Stability

Dimensionally stable, with one-piece profiles that keep joints tight.

Weight efficiency icon

Weight Efficiency

A fraction of the weight of traditional plaster mouldings.

INTERIOR PERFORMANCE COMPARISON

AttributeMouldex Interior MouldingsTraditional PlasterMDFSynthetics (Polyurethane / Polystyrene)
Finish QualityGenuine Smooth PlasterHand-Run Smooth PlasterPainted Fiber (Grainy Texture)Molded "Plastic" Look
StabilityCrack-Resistant CompositeProne to Hairline CracksHigh Joint ExpansionBrittle over time
Fire SafetyClass A fire-rated options on requestNon-CombustibleCombustible Wood FiberFlammable Polymers

Complete Interior Moulding System Line

Decorative interior mouldings are primarily made from plaster-coated EPS, offering modern options suited to both traditional and contemporary spaces and supporting a wide range of design aesthetics. Explore our lightweight interior crown mouldings, including The Alston, and our one-piece coffered ceiling beams for dimensional detail overhead without the weight of solid millwork. Selecting mouldings means matching the architecture and scale of the room. Combining profiles thoughtfully can help a space feel taller, larger, or more finished throughout.

Crown/Cornice Moldings

Ultra-smooth, ultra light single-piece interior cornices that replicate the look of hand-run architectural plaster.

View Collection →

Light Coves

High-opacity valance mouldings designed specifically for integrated indirect LED lighting systems.

View Collection →

Coffered/Waffle Ceiling Beams

Precision-cut monolithic waffle ceiling beam profiles engineered for rapid construction and seamless integration.

View Collection →

Faux Wood Beams

Experience the beauty of custom faux wood beams. Lightweight. Cost effective. Beautiful. So real. It's unreal.

View Faux Wood Beams →

Ready? We are.

Request a quote. Order a free sample kit. Or call/live chat with us about your project.

+1 (905) 660-6338 1 (888) MOULDEX
Live chat with Davide on the bottom right.