Drainage Board (AG)

The AG Drainage Board is a key component in effective foundation waterproofing. Used alongside spray-applied systems like SpraySeal, it provides essential water management by directing moisture away from the structure and reducing hydrostatic pressure. This added layer of protection is especially useful in areas with frequent rainfall, clay-heavy soils, or high water tables.

Installed on the exterior of the foundation wall, the board’s dimpled surface creates an air gap that allows water to flow freely down to a footing drain or other drainage system. This gap prevents moisture buildup, relieves pressure against foundation walls, and helps preserve long-term structural integrity.

Key Features & Benefits:

How It Works:

Mounted against the foundation with the dimples facing inward, the AG Drainage Board creates a buffer space between the wall and surrounding soil. This allows water to move downward toward the drain system while protecting the waterproofing membrane from damage during backfilling.

Whether you’re building in a flood-prone zone or managing moisture in clay soils, AG Drainage Board provides an extra level of defence to keep your foundation dry and protected.