Oxidized Brushed Aluminum Texture with Dirt | Free PBR free download

. Formats: PNG . Free for personal & commercial use.

Preview — Oxidized Brushed Aluminum Texture with Dirt | Free PBR

IDoxidized-brushed-aluminum-texture-with-dirt-free-pbr
Metal
PNG
Size1k (1024x1024px), 2k (2048x2048px), 4k (4096x4096px), 8k (8192x8192px)
sRGB

This oxidized brushed aluminum texture with dirt features a meticulously crafted metal surface that authentically captures the natural aging and weathering processes unique to aluminum alloys. The base substrate is a lightweight metal distinguished by a fine grain orientation resulting from the controlled brushing process, which creates subtle linear patterns that interact with light at varying angles. A thin oxide film forms on the surface, producing a muted and slightly varied coloration characterized by soft gray and blue tones. Embedded dirt particles further enrich the visual complexity, simulating environmental exposure and surface imperfections that lend the material an authentic, tactile quality. This combination of oxidation and dirt layers enhances the texture’s realism, showcasing a surface that reflects both industrial precision and natural wear.

From a materials and composition perspective, the surface finish blends the smooth, yet tactile feel of brushed aluminum with oxidation effects that increase surface roughness and reduce reflectivity. The metal’s porosity remains minimal, typical of such alloys, but oxidation and dirt introduce microscopic irregularities that influence light refraction and reflection. These details are faithfully represented across the PBR channels: the BaseColor (Albedo) map displays subtle color shifts from the oxidized metal and dirt deposits, while the Normal map highlights the brushed linear grain and fine surface imperfections. The Roughness map illustrates varying gloss levels, where oxidized areas appear matte and rougher, contrasting with moderately smooth, clean aluminum sections. The Metallic map consistently signals the metal’s inherent conductivity, and Ambient Occlusion adds depth by emphasizing shadows in crevices and dents. Height and Displacement maps provide enhanced surface relief, accentuating dirt accumulation and the pronounced brush strokes for added tactile realism.

Rendered at an ultra-high 8K resolution, this seamless PBR texture is optimized for seamless integration into major 3D software such as Blender, Unreal Engine, and Unity, ensuring exceptional detail even in close-up renders. It is ideally suited for applications in automotive modeling, architectural visualization, and industrial design, where authentic metal surfaces with natural oxidation and grime are essential. For optimal results, it is recommended to carefully adjust the UV scale to preserve the visibility of the brushed grain pattern without overwhelming the model, and to fine-tune the roughness map to balance matte oxidized zones with the slightly reflective brushed aluminum. Utilizing the height map to introduce subtle parallax effects can further elevate tactile immersion in interactive projects, enhancing the perception of depth and surface texture under varied lighting conditions.

How to Use These Seamless PBR Textures in Blender

This guide shows how to connect a full PBR texture set to Principled BSDF in Blender (Cycles or Eevee). Works with any of our seamless textures free download, including PBR PNG materials for Blender / Unreal / Unity.

What’s inside the download

  • *_albedo.png — Base Color (sRGB)
  • *_normal.png — Normal map (Non-Color)
  • *_roughness.png — Roughness (Non-Color)
  • *_metallic.png — Metallic (Non-Color)
  • *_ao.png — Ambient Occlusion (Non-Color)
  • *_height.png — Height / Displacement (Non-Color)
  • *_ORM.png — Packed map (R=AO, G=Roughness, B=Metallic, Non-Color)

Quick start (Node Wrangler, 30 seconds)

  1. Enable the addon: Edit → Preferences → Add-ons → Node Wrangler.
  2. Create a material and select the Principled BSDF node.
  3. Press Ctrl + Shift + T and select the maps albedo, normal, roughness, metallic (skip height and ORM for now) → Open. The addon wires Base Color, Normal (with a Normal Map node), Roughness, and Metallic automatically.
  4. Add AO and Height using the “Manual wiring” steps below (5 and 6).

Manual wiring (full control)

  1. Create a material (Material Properties → New) and open the Shader Editor.
  2. Add an Image Texture node for each map. Set Color Space:
    • AlbedosRGB
    • AO, Roughness, Metallic, Normal, Height, ORMNon-Color
  3. Connect to Principled BSDF:
    • albedoBase Color
    • roughnessRoughness
    • metallicMetallic (for wood this often stays near 0)
    • normalNormal Map node (Type: Tangent Space) → Normal of Principled. If details look “inverted”, enable Invert Y on the Normal Map node.
  4. Ambient Occlusion (AO):
    • Add a MixRGB (or Mix Color) node in mode Multiply.
    • Input A = albedo, Input B = ao, Factor = 1.0.
    • Output of Mix → Base Color of Principled (replaces the direct albedo connection).
  5. Height / Displacement:
    Cycles — true displacement
    1. Material Properties → SettingsDisplacement: Displacement and Bump.
    2. Add a Displacement node: connect heightHeight, set Midlevel = 0.5, Scale = 0.02–0.08 (tune to taste).
    3. Output of Displacement → Material Output → Displacement.
    4. Add geometry density (e.g., Subdivision Surface) so displacement has polygons to work with.
    Eevee (or lightweight Cycles) — bump only
    1. Add a Bump node: heightHeight.
    2. Set Strength = 0.2–0.5, Distance = 0.05–0.1, and connect Normal output to Principled’s Normal.

Using the packed ORM texture (optional)

Instead of separate AO/Roughness/Metallic maps you can use the single *_ORM.png:

  1. Add one Image Texture (Non-Color) → Separate RGB (or Separate Color).
  2. R (red) → AO (use it in the Multiply node with albedo as above).
  3. G (green) → Roughness of Principled.
  4. B (blue) → Metallic of Principled.

UVs & seamless tiling

  1. These textures are seamless. If your mesh has no UVs, go to UV EditingSmart UV Project.
  2. For scale/repeat, add Texture Coordinate (UV)Mapping and plug it into all texture nodes. Increase Mapping → Scale (e.g., 2/2/2) to tile more densely.

Recommended starter values

  • Normal Map Strength: 0.5–1.0
  • Bump Strength: ~0.3
  • Displacement Scale (Cycles): ~0.03

Common pitfalls

  • Wrong Color Space (normals/roughness/etc. must be Non-Color).
  • “Inverted” details → enable Invert Y on the Normal Map node.
  • Over-strong relief → lower Displacement Scale or Bump Strength.

Example: Download Wood Textures and instantly apply parquet or rustic planks inside Blender for architectural visualization.

To add the downloaded texture, go to Add — Texture — Image Texture.



Add a node and click the Open button.



Select the required texture on your hard drive and connect Color to Base Color.


AITEXTURED Tools

Build, preview, and export seamless PBR materials. Generate full map sets from a single image, inspect them in a real-time WebGL viewer, and re-package maps for Unreal, Unity, and Blender—directly in your browser.