INTERIOR BASEMENT MEMBRANE

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A basement isn’t just extra square footage, it’s valuable living space, a rental income suite, or the ultimate family room. But before you hang drywall or lay flooring, your foundation needs bulletproof protection. Moisture doesn't just seep through cracks; ambient humidity creates hidden condensation behind finished walls. Our system forms an impenetrable barrier that keeps exterior water out and stops condensation from ever reaching your insulation! Eliminating the risk of wet framing, mold, and costly tear-outs before they start. Protect your investment from the outside in. 

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$173.01 CAD
$173.01 CAD
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Interior Basement Interior Waterproofing
SUPERSEAL 1+1

SUPERSEAL 1+1

Interior Basement Waterproofing Instructions
Interior Basement Waterproofing Instructions

Interior Basement Waterproofing Instructions

Dig a trench

Around sump pump

Add drain pipe

Install drain stone

Hang dimples on wall

Fill in with concrete

Completed wall

Preparing The Wall

  • Dig / jackhammer a trench around the perimeter and install a drain pipe and sump pump. Ensure that your pump drains properly.
  • Fill the trench with quality drain store. Install SUPERSEAL Dimpled Membrane to the top of the wall. Fold it 6” to 12” onto the stone.
  • Fill in with concrete and let cure.

  • Frame your walls and install flooring as required.

Installation

  • Unroll the membrane at your marked grade height. Ideally the top of the wall or 3” to 6” above the exterior grade height. (where the dirt comes to on the wall.)
  • Keeping the membrane tight against the wall and using 1 ¼” concrete nails or concrete screws, install install a row of SUPERSEAL Geo Plugs at the top of the membrane.
    Space them approximately 5’ apart.
  • Overlap any vertical seams by 6” and install plugs along the seam.

Install a row of plugs at the bottom of the membrane just before you fold it onto the drain stone.

  • For rolls over 6’7”, install an additional row of plugs along the middle of the membrane.

  • Wall

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  • Subfloor

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The Premium System features the enhanced strength of DimpleGrip Molding. As a result, the Premium System uses less fasteners and is recommended for ICF and Block Foundations. In addition, the DimpleGrip Molding can be turned over to also be used on sloping areas.

On average, each roll of membrane will require approximately 2 bundles of DimpleGrip Molding and 2-3 bags of Super Plugs

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