GrateDrain™ Dual Chamber Drain System

GrateDrain™ Dual Chamber Drain System

Revolutionizing the Basement Waterproofing Industry

GrateDrainTM is Custom Designed for Each Basement

The GrateDrain™ was designed to be custom designed to suit each basement specifically. Each section of the GrateDrain™ is assembled and accurately sized.

GrateDrain™ Has a Dual Chamber Design

Water can enter from the wall/footing seam and from under the basement slab. The dual chamber uses gravity to direct the water to the sump pump which is located in the low spot of the basement.

GrateDrain™ Corner

Isolates Iron Bacteria Colonies

GrateDrain™ was designed to isolate iron bacteria problems so that it does not spread throughout the basement, preventing cross-contamination.

Easy Cover and Panel Access for System Flush

Accessible covers and panels allow a service technician to easily flush the system.

GrateDrain™ T-Port

GrateDrain™ is Economical

The GrateDrain™ design reduces waste as every piece can be used.

Engineered Drainage System Offering More Value

Custom assembly/installation, ridged components and advanced design makes the GrateDrain™ the best system.

GrateDrain™ Outlet

GrateDrain™ is the Strongest System on the Market

GrateDrain™ is an extruded durable poly vinyl chloride (pvc) which is made up of our 4 foot horizontal wall pieces and 120 foot coils of vertical wall sections.


A full warranty can be available with proper yearly maintenance.

GrateDrain™ S.Adapter
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Protect your investment

Protect Your Investment

The GrateDrain™ solves the most difficult basement water problems. Protect your basement with the most advanced technological water control system available today. The GrateDrain™ was designed with large dual chambers that direct ground water from beneath the basement floor and the wall/footing joint to the sump liner. The ability of the GrateDrain™ to accept ground water through large passageways (punch holes) from either direction is a powerful advantage when compared to other drainage systems. Other drainage systems may only allow water to enter from one direction or allow water to pass right through their drainage pipe from the wall/footing joint and bring ground water under the basement slab instead of directing it to the sump liner. (see figure 1)

Structure of Dual Chamber

Dual Chamber - Isolates Iron Bacteria

The isolation between the GrateDrain™ dual chambers prevent cross contamination of iron bacteria. Our research has taught us that most iron bacteria problems are located in one area of the basement. For example, the iron bacteria may only come in the wall/footing joint and not from under the slab or from the wall/footing joint. We believe that most other systems actually allow cross-contamination of iron bacteria colonies to the whole basement. The GrateDrain™ was designed to isolate any iron bacteria problems so that it is not spread throughout the basement.

Closed System

Closed System (sealed system)

GrateDrain™ protects the entire basement. The GrateDrain™ is installed on the perimeter bellow the basement floor. The corners have accessible covers to allow a service technician to flush out the system if needed. GrateDrain™ is an engineered sub floor basement drainage system which is also a closed system (sealed system). Any water or ground humidity it collects cannot evaporate back into the home environment. We recommend that a wall vapor barrier like HD ThermalShield™ be installed along with Flexi-Flange™. We recommend surrounding the GrateDrain™ with clean 3/4“ crushed stone.

GrateDrain™ Water and Moisture Control System


We only recommend ground water control products that promote good health for your foundation and family.

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For basement drainage in your home, contact us today!

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GrateDrain™ is an engineered sub floor basement drainage system used to quickly channel ground water to a collection system (GrateSump™) where it can be pumped away. GrateDrain™ is designed so that its large punched holes on both sides collect ground water rapidly. It has many engineered fittings with access ports for the ability to maintain the system.

GrateDrain™ is built with two punched sidewalls and a solid center divider which provides added strength and allows the ground water coming in from the floor/wall seam to get quickly channeled to the GrateSump™ while still allowing the water under the floor to get into the pipe. There is an antimicrobial additive in all the GrateDrain™ fittings to resist iron bacteria from attaching themselves to the fittings.

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