Seves Glass Block
16" Expansion Strips
- SKU:
- 1880040001
- Availability:
- Usually Ships Same Day
- Weight:
- 0.15 LBS
Description
Seves Installation Accessories · Mortar
16″ Expansion Strips
Perimeter Movement Allowance
16″ Expansion Strips are designed to cushion the perimeter against movement from temperature changes.
The compressible polyethylene strip separates the block panel from adjacent construction where the installation detail requires an expansion allowance.

Product Overview
The compressible polyethylene strip separates the block panel from adjacent construction where the installation detail requires an expansion allowance. Its role is part of the complete panel assembly, so coordinate it with the required blocks and installation materials.
Match the expansion strips to the panel layout and adjoining components before installation. Confirm the opening dimensions and specified attachment or joint details so the complete mortar assembly fits as intended.
Product Highlights
- Designed to cushion the perimeter against movement from temperature changes.
- Compatible application: panel jambs. Match the adjoining components to this application.
- Positioned at the panel jambs within the chosen assembly.
- Supplied as individual strip for project quantity planning.
Technical Specifications
Design & Application Guidance
- Select this component when the panel detail calls for expansion strips at the panel jambs.
- Confirm compatibility with panel jambs and the intended mortar assembly before ordering.
- Prepare the block layout and component quantities together so joints and perimeter details can be completed consistently.
Selection & Installation Essentials
- Use the component in its specified mortar system and follow the matching Seves installation instructions.
- Check the required the panel jambs and any cutting or attachment details before placing the blocks.
- Keep the panel aligned while assembling adjoining components; follow the required setting and curing instructions.
Seves Product Documentation

Ask Willy:
Need help matching a pattern or planning your glass block panel? Send the GetPipe.com team your opening dimensions, desired privacy level and installation method so we can help you select the block and accessories.
Very Important Product Questions
Can I fill the expansion space with mortar instead?
The strip provides a compressible separation where the design calls for movement allowance. Do not replace that space with rigid mortar; follow the specified perimeter joint and sealing details.
Where should this component be installed?
This component is used at the panel jambs. Follow the system instructions for placement, any required trimming and its relationship to adjoining blocks or other components.
Does the expansion strip replace the perimeter weather seal?
No. The polyethylene strip provides movement allowance within the perimeter detail. Complete the joint with the sealant and backing arrangement specified by the installation instructions.