Biodiversity Net Gain Opportunities to incorporate biodiversity improvements in and around developments should be encouraged, especially where this can secure measurable net gains for biodiversity.” Source: NPPF (2019) The use of innovative products to enhance biodiversity net gain goals Pestbrick: the prevention of ingress from wildlife in buildings. Field mice, house mice, rats, wasps, Bees, slugs. Preventing entry encourages wildlife to thrive in their own environment. Greatly reduces the use of snap traps and toxic poisons once in contact with humans. Protects their natural predators from secondary poisoning and death. Delivering habitat quality enhancement. reducing damage to property from ingress and infestation. reduces the spread of disease through contamination to humans. The MouseMesh® PestBrick is constructed in two sections to seamlessly replace bricks during brick laying. This robust, durable product is available in a variety of colours and boasts a sturdy cover that easily slides onto the air brick. Just like a conventional air brick, it is embedded into the wall using mortar. Our PestBrick stands out with unique interlocking spacers that maintain the necessary cement line gap between air bricks, allowing for perfect incorporation into the brickwork. IMPORTANT: Do not use MouseMesh® grills to cover vents for gas appliances. Dust, leaves, or other debris may block airflow, posing a serious risk of carbon monoxide poisoning.