---
title: Overcoming Alignment Challenges in Curtain Wall Installation | TFC Europe
description: Overcoming Alignment Challenges in Curtain Wall Installation - ~TFC’s alignment washers provide a quick, cost-effective solution to ensure precision and prevent construction downtime~ A quick, cost-effective, positive
image: https://blog.afceur.com/hubfs/Imported_Blog_Media/tfc-ltd-news-The-benefits-of-alignment-washers-1.webp
---
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# Overcoming Alignment Challenges in Curtain Wall Installation
Justin Lawrence
### Justin Lawrence
Justin specialises in the design and sale of wave springs, spiral retaining rings and quick connectors, designing custom products for a range of applications including oil & gas, automotive and medical. Justin has been with TFC for over 20 years, gaining further experience in the mechanical and industrial engineering sector.
December 10, 2019
## ~AFC’s alignment washers provide a quick, cost-effective solution to ensure precision and prevent construction downtime~
#### A quick, cost-effective, positive fixing solution for curtain wall applications
**The Hubble telescope is best known for the beautiful images it collects of space. But did you know that the first images it took were fuzzy? A 2.2-micron misalignment in the telescope’s main mirror was all it took to wreck the image quality. While a slightly larger figure, a 15mm misalignment in a curtain wall bracket can also jeopardise the success of project continuity, increasing the risk of construction downtime. Here Steve Parkes, key account manager at leading fastening and fixing supplier AFC, explains how to overcome alignment challenges when installing a curtain wall.**
Curtain walls took their name from medieval castle infrastructure. While the phrase initially referred to a defensive wall between two towers, it has now come to mean a non-structural covering for a building, such as glass panels. Today, the market is booming • growing at a compound annual growth rate (CAGR) of 9.3 percent and is expected to reach £42 billion by 2025, according to Grand View Research.
#### Alignment challenges
During the installation of a curtain wall, it’s vitally important that your fixing brackets are correctly aligned when fixing to the building structure. If not, it will result in time delays possible penalties associated with the contract. If, unfortunately, you find yourself in the position of having alignment issues then options are limited, you can modify your fixing bracket and/or re-drill the anchor positions to compensate. Both of these solutions are very time-consuming and therefore by default, expensive. Thankfully there is another way: the alignment washer, a fast, simple low-cost alternative offering a flexible on-site fixing solution.
The alignment washer, with its oversized or slotted holes, gives the installer that extra leeway to line up the bracket and anchor location and tighten down before locking off. When the contractor is happy all the elements have been checked for position, the washer is injected with a high-strength, rapid-setting construction resin. We have found in all our tests that Fischer FISV360S resin performs perfectly in these conditions.
The Alignment washer offers several clever design features to allow the resin to completely fill any voids remaining after alignment, in fact it works so well the product can be used upside down and even underwater! The joints are now permanently locked in their correct position. So efficient is the locking off process we have a number of customers who use this method to lock off their brackets regardless of any alignment issues.
#### Types of alignment washer
There are two fundamental types of this technology, circular and rectangular. Rectangular washers are designed for use with cast-in channels and with their slotted hole give ± 25mm adjustment in one direction. Circular washers can be used in a variety of applications such as Stick curtain walling, balustrades, and balconies. Circular washers offer a ± 15mm adjustment in either direction. Both circular and rectangular washers are available to suit M10, 12,16, and M20 bolts or anchors and are hot-dip galvanised for long-term corrosion protection.
Alongside Fischer FISV360S resin, AFC are able to supply a complete range of Fischer fixings, silicones, self-drill screws and all related construction fixings and consumables from stock.
Alignment washers have been specified on numerous prestigious sites across the UK, including hospitals, convention centres, apartments, offices, universities, and government buildings. If a designer, project manager, architect, or structural engineer specifies the alignment washer from an early stage, they can be confident that there will be no alignment problems and downtime later down the line.
A 2.2-micron misalignment was all it took for the Hubble telescope’s images to be blurry and a small misalignment can lead to big losses in your construction project.
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