It seems like you are referring to HD 100 Dura Board, which could be a product name. However, without more context, it's a bit unclear what specific product you're asking about. If it's related to construction, flooring, or something industrial, there are different possibilities.
Dura Board could refer to a durable, weather-resistant material used for various purposes, often in building or construction projects, such as cladding or siding boards. The "HD 100" could refer to a specific model or type within a product line.
Could you provide more details about the context you're referring to (e.g., is it a building material, a specific product from a brand, or something else)? That would help me provide more specific information.
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