Setting blocks and spacers are essential components in the window and glazing industry. They are used to support and align glass within frames, ensuring proper load distribution, spacing, and long-term performance of the installation. Meltpoint Plastics manufactures precision extruded blocks and spacers in durable elastomers to meet demanding industry requirements.

What They Do

• Setting Blocks: Placed at the bottom of the frame to support the weight of the glass, preventing edge contact and reducing the risk of breakage.

• Spacers: Used along the edges to maintain consistent clearance, ensuring proper alignment and uniform sealant thickness.

Key Benefits

• Protects glass edges from stress and damage

• Maintains correct alignment during installation

• Resistant to weathering, compression set, and UV exposure

• Available in a range of hardnesses, thicknesses, and lengths

• Custom sizes, colors, and formulations available to meet project needs

Typical Applications

• Commercial and residential windows and doors

• Storefront and curtain wall glazing systems

• Skylights and architectural glass installations

• Insulating glass units (IGUs)