Content will be added here

Choose how you'll get your order

Content will be added here

Prices, Promotions, styles, and availability may vary. Our local stores do not honor online pricing. Prices and availability of products and services are subject to change without notice. Errors will be corrected where discovered, and Lowe's reserves the right to revoke any stated offer and to correct any errors, inaccuracies or omissions including after an order has been submitted.

Replacement Glass Block Windows

29 results


Related Products

Replacement Glass Block Windows for Stylish Privacy at Home

Replacement glass block windows offer an ideal balance of privacy, style and functionality, making them an excellent choice for any homeowner. They allow ample natural light into your space while preserving privacy, enhancing both the aesthetics and comfort of your rooms. Explore a variety of durable and elegant replacement glass block windows available at Lowe's to meet your home's unique needs.



Benefits of Replacement Glass Block Windows

  • Enhanced Privacy: Glass block windows offer superior privacy without compromising on natural illumination, ideal for bathrooms, basements or entryways.
  • Energy Efficiency: Insulating properties of glass block windows help regulate indoor temperatures, potentially reducing heating and cooling costs.
  • Improved Security: Sturdy construction and thickness make glass block windows difficult to break, providing an added layer of security.
  • Noise Reduction: Dense and thick materials effectively minimize external noise, creating quieter, more peaceful indoor environments.


Key Features of Replacement Glass Block Windows

  • Versatile Styles: Various patterns and finishes, from clear to frosted, allow customization to match your interior or exterior décor.
  • Robust Construction: Durable glass composition ensures resilience against impacts and everyday wear, making it perfect for long-term installation.
  • Water Resistance: Inherent water-resistant qualities help prevent moisture penetration, ideal for bathrooms, laundry rooms or humid spaces.
  • Easy Maintenance: Smooth surfaces are simple to clean, requiring minimal effort to maintain their elegant appearance.


How to Choose Replacement Glass Block Windows?

  • Identify Your Needs: Determine the primary purpose—whether privacy, aesthetics or energy efficiency—to select the appropriate glass block style.
  • Measure Precisely: Accurate measurements of your window opening ensure the correct fit and easy installation of replacement windows.
  • Consider Ventilation: Select vented glass block windows if improved air circulation is required for spaces like bathrooms or basements.
  • Match Your Décor: Choose a finish or pattern that complements your home's interior design and exterior architecture seamlessly.


How to Install Replacement Glass Block Windows?

  • Step 1: Remove the existing window carefully, clearing debris and ensuring the opening is clean and dry.
  • Step 2: Apply mortar or use a specialized installation kit around the edges of the opening.
  • Step 3: Place the glass block panel into the opening, ensuring it's aligned and level.
  • Step 4: Secure the glass block window with additional mortar, sealing around all edges to prevent drafts and moisture.
  • Step 5: Allow the mortar to cure fully before removing spacers and finishing with a waterproof sealant for long-term protection.


Maintenance Tips for Glass Block Windows

  • Regular Cleaning: Wipe down glass block surfaces periodically with a mild detergent and water to maintain clarity.
  • Inspect Seals: Check sealant around the edges annually, resealing as necessary to maintain energy efficiency and water resistance.
  • Avoid Harsh Chemicals: Refrain from using abrasive cleaners or harsh chemicals to prevent damaging the glass surface.


Replacement glass block windows offer versatile solutions for enhancing your home's privacy, style and energy efficiency. Ideal for spaces like bathrooms, basements and entryways, glass block windows add lasting value and comfort. Find the perfect glass block window solutions for your home improvement project at Lowe's.