They are the most common solar panels which are blue and highly reflective. As solar panels must be installed outdoors, dirt are inevitable.

There is also a more specific solar panel which is Tesla solar rooftop that can be downloaded at
Rooftop 0003

These tiles look alike Tesla solar rooftop tiles that are black with irregular stripes as a pattern.

The tiles reflect a subtle of rainbow color by very close examination. Besides, a tiny solar photovoltaic can be seen underneath the stripes.

From the grid pattern, we know that they are waffle slabs made of reinforced concrete. They grid pattern allows concrete ribs running in 2 directions perpendicular to each other on its underside.

As it appears in public area, dust and dirt can be found on the surface. Besides, there are imperfection at junctions between slabs.

They are wood planks painted in red, but some paint is peeling off due to weathering. Besides, there are wear and broken parts.

It is a fabulous material for creating old doors, fences and even houses.

It is a concrete texture composed of Corinthian columns. Due to weathering and aging, a lot of wear and cracks appear on the surface.

Despite its name columns, this texture suits extremely well for walls and urns.

It is a concrete wall made of numerous concrete plates. Due to weathering, the concrete plates have cracks, pores and dirt.

If you are going to 3D model a concrete wall, please do not miss this texture!

It is a classical corrugated metal sheet where is commonly used to build walls of factories or construction sites.

Dirt and edge wear can be found on this texture.

It is a very typical metallic shipping container that you can find on trucks. Though it is blue, its color can be changed in rendering engines or by using the sbsar file.

Dirt mark and edge wear also exists.

It is a black floor with commonly seen white dot pattern. Dirt can easily be found on the surface, so it is a perfect texture for paving a ground of public area in your CG scene.

This is a stucco plaster. By examining the surface, a lot of fan shape trowel strokes or marks can be found.

This is a ground in a woods that is covered by plentiful fallen autumn leaves. The leaf colors consists of green, yellow and red. Twigs can also be found on the soil.

They are wood planks with nails. By close examination, there are rust on some nails. The edges of the planks have worn. and a lot of dirt and dust rests on the wood.

Near grouts, mosses may also be found.

This is an oxidized iron sheet on which there is numerous scratches and dents. Most of the scratches and pits corroded and are covered with rust. Besides, some of the rust is dripping down due to the rain wash.

This is mostly a muddy ground having some footsteps on the squelchy sludge. A few heavier footsteps squish the mud deeper. It creates puddles everywhere.

This is a texture made of lots of gravel. It can be used as pavement for roads or to cover mud in backyard.

With your imagination, it could also be a wall texture.

This is a very raw wood plank. Due to aging, most of the planks are worn. It is made of rough type of wood that gives it a very bumpy texture.

This is a wood cork board that is mostly used as a memo board. It is made of loads of wood strips. After a high pressure, those debris forms the semi-hard wood board.

To create a memo board, all you need to do is just put on this texture.

This is a muddy swamp and fallen leaves are everywhere. There are a lot of tiny pebbles in the mud. Puddles also appear on this wet and sticky earth.

This is a mixture of straw grass and other dried grass. In more general term, it is hay.

If you are going to model a farm, you should not miss this hay texture.

This is lava texture. It is the residues of volcano eruption. Before lava is cooled down, it is flowing down the mountain as it is a melted substance. The movement gives lava the highly folded appearance.

Red and hot flame is glowing everywhere. Some parts have a higher temperature than others.