Grids

Ventilation grids and air bricks are essential for maintaining the airflow that protects a building's structure from damp, condensation, and timber decay. At the DIY Hardware Store, our grids range covers the plastic and metal ventilation grids, air brick covers, and louvred vent panels used in domestic and commercial buildings to allow controlled airflow through wall cavities, floor voids, roof spaces, and outbuildings.

Suspended timber ground floors rely on through-flow ventilation beneath them to prevent moisture build-up and timber decay - blocked or inadequate ventilation under a timber floor is one of the most common causes of rot in older UK properties. Air bricks and ventilation grids maintain this airflow while preventing entry by insects, rodents, and debris. The range also covers decorative grilles for radiator covers, under-stair venting, and internal ventilation applications where an attractive finish is needed alongside functional airflow.

  • Ventilation grids and air brick covers for wall cavities
  • Essential for timber floor void ventilation
  • Prevents moisture build-up and timber decay
  • Insect and rodent exclusion while maintaining airflow
  • Decorative grilles for radiator covers and internal applications
  • White, terracotta, and metal finishes available