Collection: Basement Wall Strap

***USE DISCOUNT CODE BWSTRAP5 IF PURCHASING 10-19 STRAPS FOR 5% OFF PURCHASE.  AUTOMATIC DISCOUNT OF 10% APPLIED WHEN PURCHASING 20 OR MORE STRAPS***

Click here for the product design report provided by Nolan Engineering, PLLC.

Click here for PDF of Maximum Spacing Table 

Contact us today to learn more about this solution and place an order online!

Engineered reinforcement for cracked or inward-bowing foundation walls

Foundation walls can crack or bow inward over time due to soil pressure, moisture conditions, or long-term loading. When this occurs, the wall may continue to move, particularly at the top, increasing the risk of further structural distress.

Basement wall straps are designed to permanently stabilize foundation walls by preventing additional inward movement and resisting top-of-wall displacement.


Why Foundation Wall Stabilization Is Necessary

Once a foundation wall begins to bow or lean inward, the forces causing that movement typically remain present. Without proper reinforcement, the wall can continue to deform, potentially leading to worsening cracks, compromised framing support, or costly repairs.

Basement wall straps provide a structural reinforcement solution that controls further movement while maintaining the existing wall geometry.


How Basement Wall Straps Solve the Problem

Basement wall straps install on the interior face of the foundation wall, where they act as vertical steel reinforcement. By resisting elongation, the straps prevent the wall from bowing inward any further and help restrain the top of the wall from tipping inward.

The straps are anchored at the top and bottom of the wall and secured at intermediate points, creating a continuous restraint system that counteracts lateral soil pressure.

These systems are intended to stabilize existing conditions—they do not remove existing cracks or straighten bowed walls, but they permanently prevent further movement when installed as specified.


Engineered for Permanent Stabilization

Basement wall straps are designed for use on foundation walls up to 8 feet in height with full backfill conditions and are suitable for common residential soil classifications, including challenging soil conditions. The straps are installed at regular spacing to provide uniform restraint across the wall.

Manufactured from galvanized steel and supplied with all required hardware, these systems are designed for long-term durability and structural performance.


Practical, Low-Profile Repair Solution

Compared to excavation or interior steel beam systems, basement wall straps offer a less intrusive, space-efficient approach to foundation wall stabilization. Installation is performed from the interior, preserving exterior landscaping and minimizing disruption to the home.


Code-Conscious, Structural Repair

Basement wall straps are intended as a permanent structural stabilization solution when installed in accordance with recommended practices and applicable code requirements. They are commonly used to address foundation wall movement in residential applications where wall replacement is not required.

If you are unsure whether basement wall straps are appropriate for your foundation wall condition, our team can help review wall height, movement, and site conditions to guide you toward the correct solution. 

Engineer-Designed Wall Stabilization

Basement Wall Straps

Low-profile steel reinforcement for qualifying concrete block foundation walls. Review the product, confirm your wall conditions, and use the stamped spacing table before ordering.

View Basement Wall Strap

Confirm before ordering

Is This System Right for Your Wall?

Confirm the basic conditions before ordering. The stamped design report remains the technical source of truth.

Concrete block walls only

Designed exclusively for qualifying concrete masonry block foundation walls.

Maximum existing deflection

Not recommended when the wall has already deflected inward more than 2 inches.

Conditions determine spacing

Wall height, maximum backfill height, and soil classification determine the required spacing.

Stabilization—not straightening

The system resists additional inward movement. It does not straighten the wall or close existing cracks.

Unsure whether your wall qualifies? Review the stamped design report or contact Nolan Structural Products before ordering.

Important Product Documents

Installation & Engineering Resources

Review the engineering criteria and installation information before ordering or beginning work.

Multiple Nolan Basement Wall Straps installed on a cracked concrete block foundation wall

Low-profile interior reinforcement

How the Basement Wall Strap Works

A galvanized steel strap is fastened vertically to the concrete block wall and secured at the sill area. Under lateral soil pressure, the system works to resist additional inward movement.

Each strap includes the specified installation hardware. Installation tools are not included.

Installation overview

A Straightforward Interior Installation

Use this overview for orientation, then follow the complete installation instructions and stamped engineering criteria.

Installer fastening a Nolan Basement Wall Strap to a concrete block foundation wall
01

Confirm the layout

Verify wall suitability and determine maximum strap spacing from the engineering table.

02

Fasten to the wall

Position the strap and install the specified anchors through the pre-drilled strap.

03

Secure at the top

Secure the strap at the sill or rim area as shown in the official installation instructions.

Technical rendering of Basement Wall Strap top connections at the sill and floor framing

Top connection detail

Secure the Strap at the Sill

This technical rendering provides a clear view of the top connection. Follow the current installation instructions for the required fastening configuration.

Product specifications

Engineered and Tested

Application
Concrete block foundation walls
Material
Galvanized carbon steel
Standard
ASTM D3953, Finish B, Grade 1
Strap dimensions
1.25 in wide × 0.031 in thick
Published breaking strength
5,500 lb
Maximum design soil pressure
60 PSF

Included with each strap

Installation Hardware Included

Each strap includes the specified installation hardware. Depending on the approved configuration, wall fastening uses 3/8 in diameter × 1.5 in galvanized steel bolts or 3/8 in Simpson Titen HD screws.

Required tools are not included. Always follow the current installation instructions.

A better fit for nonstandard conditions

Custom Strap Sizes Available

Need a strap length not listed in the standard options? Custom sizes are available upon request. Contact our team with your wall height and project conditions.

Request a custom size

Custom Basement Wall Strap consultation