Skip to content
Contractor-Focused Masonry Supply — Delivered Nationwide
Contractor-Focused Masonry Supply — Delivered Nationwide

Speak With a Masonry Expert Today — Call (833) 246-3900

Request a Quote | Quick Order | Reorder
Glazelock stackable plastic shims used for window and door installation spacing

Glazelock Stackable Shims

SKU GL16
by Glazelock
$51.15 - $62.50
$62.50
$51.15 - $62.50
$62.50
1008.0item | $0.06 / item

Ships in 1–2 business days

Request a quote

STACKABLE SHIMS

Stackable Shims simplify precise leveling in window, door, and finish installations by reducing the need for multiple loose shims. Snap off individual shims to achieve the exact thickness needed on the jobsite. Made from recycled high-impact polystyrene, these shims deliver durability, consistency, and ease of use for everyday commercial and residential applications.

Available in both long and short stackable configurations.

FEATURES

  • Snap-off design allows precise sizing for each application

  • Stackable configuration reduces the need for multiple loose shims

  • Fits around bolts and anchors for flexible installation

  • Durable high-impact polystyrene resists rot, shrinkage, and swelling

  • Trusted by professionals across multiple industries

  • Made in the USA

APPLICATIONS

Used for installing and leveling:

  • Windows and doors

  • Cabinets and countertops

  • Plumbing fixtures

  • Tile spacing applications

  • Masonry

PRODUCT VARIANTS

SKU Thickness Size (L x W) Slot Size Style Color Pack Quantity
GL17 1/16″ 4-1/2″ x 1-7/8″ 5/8″ Short stackable Black 60 stacks / 960 pcs per box
GL16 1/16″ 5-1/8″ x 1-7/8″ 5/8″ Long stackable Black 63 stacks / 1008 pcs per box
Call Us

+1 (833) 246-3900

Email Us

sales@masonrydirect.com

Chat With Us

We reply instantly

Free Shipping

On orders over $2,500

FAQ

How do I track my order?

Once your order ships, you will receive a shipping confirmation email with your tracking number and carrier details.

You can also track your order anytime by visiting our tracking page below and entering your order information:

👉 https://www.masonrydirect.com/apps/tracking

If you have trouble locating your tracking information, please contact our support team with your order number and we’ll be happy to assist you.

Do you offer free freight?

Yes, we offer free freight on orders over $2,500.

How long does shipping take?

Most orders ship and deliver within 4-8 business day.

Can I order in bulk or wholesale quantities?

Yes. We specialize in bulk and wholesale orders. Use our Wholesale Order form or request a quote.

Can you help me choose the right product?

Yes. Our team can review specs and recommend the correct product for your project.

Who do I contact with questions?

Call (833) 246-3900 or email sales@masonrydirect.com.