00 Ottawa & Eastern Ontario

Exterior refinishing & protective restoration

Castellum restores, refinishes, and protects exterior building assets for homeowners, builders, property managers, condo corporations, and commercial owners across Ottawa and Eastern Ontario.

Get a Quote Call / Text Mantas

01 Why it matters

Built to protect what replacement would cost far more to fix.

Exterior building components take constant abuse from weather, salt, UV exposure, moisture, and freeze-thaw cycles.

Castellum focuses on restoring and protecting those assets before deterioration turns into expensive replacement. From faded window frames and garage doors to railings, pillars, soffit, exterior trim, and metal components, our work is designed to improve appearance while extending the life of the asset.

We combine exterior finishing experience with clear communication, careful preparation, and a preservation-first approach.

02 Services

Service schedule

Ref Service Scope
A.01 Window & Door Frame Refinishing Premium refinishing for exterior window frames, door frames, aluminum/metal frames, and builder deficiency work.
A.02 Garage Doors & Exterior Doors Refinishing and restoration for garage doors, service doors, exterior doors, and weather-exposed entry components.
A.03 Pillars, Railings & Exterior Metal Restoration and protective refinishing for railings, columns, pillars, bollards, exposed steel, and exterior metal features.
A.04 Soffit, Fascia & Exterior Trim Refinishing and restoration support for exterior architectural trim, soffit, fascia, and detail components.
A.05 Protective Coating Systems Durable coating systems designed to protect exterior assets from weather, salt, UV exposure, moisture, and wear.
A.06 Commercial & Managed Property Maintenance Exterior restoration support for property managers, condo corporations, multi-residential buildings, builders, and commercial properties.

03 Who we serve

Built for property professionals — and homeowners who expect the same standard

Castellum is built for homeowners and property professionals who want exterior assets restored properly — not covered up with basic repainting.

  • Homeowners
  • Builders & Developers
  • Property Managers
  • Condo Corporations
  • Commercial Property Owners
  • Multi-Residential Buildings
  • Townhome Communities
  • Rental Properties

04 Why Castellum

What sets the work apart

Specialized Exterior Focus

We focus on exterior building components that are exposed to weather, salt, UV, moisture, and wear.

Preparation-First Approach

Durable results depend on proper surface preparation, product selection, and clean execution.

Residential & Commercial Experience

Built for homeowners, builders, managed properties, and commercial exterior assets.

Professional Communication

Clear quoting, scheduling, follow-up, and documentation from first contact to completion.

05 Process

How a project runs

  1. 01

    Assess

    We review the surfaces, identify visible wear or failure, and understand what needs refinishing or protection.

  2. 02

    Prepare

    We clean, mask, sand, repair, or prep the surface based on the material and condition.

  3. 03

    Restore

    We refinish or coat the asset using a clean, controlled process designed for exterior durability.

  4. 04

    Protect

    We leave the surface with a renewed appearance and a protective finish built to handle exposure.

06 Work

Project categories

Photos from completed projects will populate this section as they're documented.

Fig. 01Window Frame Refinishing
Fig. 02Garage Door Refinishing
Fig. 03Exterior Door Restoration
Fig. 04Pillars & Railings
Fig. 05Soffit & Fascia
Fig. 06Surface Prep & Detail Work

07 Get in touch

Request an assessment

Have exterior frames, doors, railings, pillars, soffit, garage doors, or metal components that need refinishing or protection? Send a few details and Castellum will follow up.

Service area
Ottawa & Eastern Ontario
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