![walls - What is the black stain on my exterior brick, and how can I remove it? - Home Improvement Stack Exchange walls - What is the black stain on my exterior brick, and how can I remove it? - Home Improvement Stack Exchange](https://i.stack.imgur.com/7W5QT.jpg)
walls - What is the black stain on my exterior brick, and how can I remove it? - Home Improvement Stack Exchange
![walls - What is the black stain on my exterior brick, and how can I remove it? - Home Improvement Stack Exchange walls - What is the black stain on my exterior brick, and how can I remove it? - Home Improvement Stack Exchange](https://i.stack.imgur.com/ZRkR1.jpg)
walls - What is the black stain on my exterior brick, and how can I remove it? - Home Improvement Stack Exchange
![12 Black Brick House Exteriors to Inspire You | Brick exterior house, Painted brick house, Exterior brick 12 Black Brick House Exteriors to Inspire You | Brick exterior house, Painted brick house, Exterior brick](https://i.pinimg.com/originals/4a/97/cf/4a97cf9093b55a1ed5c11868dab6b909.jpg)
12 Black Brick House Exteriors to Inspire You | Brick exterior house, Painted brick house, Exterior brick
![What is the dark patch of bricks on the front of this house? Does this mean there is a pipe leaking inside the cavity? The round window on the top left is What is the dark patch of bricks on the front of this house? Does this mean there is a pipe leaking inside the cavity? The round window on the top left is](https://preview.redd.it/aivaskpfudn61.jpg?width=640&crop=smart&auto=webp&s=b2d58e7bea4d1762503efeb42c57c9af8b365658)