The grout is in and the formwork is holding, so does this mean that the job is done? Not quite. Knowing how to verify a Chockfast installation is just as important as the pour itself, as even a correctly mixed and applied grout can conceal problems if the post-installation inspection is skipped or rushed.
In this guide, IMS Ltd walks you through the key quality checks every engineer should carry out before machinery goes back into service. As the sole UK distributor of Chockfast products, we’re here to help you get it right.
Why Post-Installation Checks Matter
It is easy to assume that once the grout has set, the hard work is behind you. In reality, the inspection stage is where the integrity of the whole installation is confirmed. Chockfast is engineered for precision alignment and reliable load transfer, and those properties only deliver results when the grout has cured correctly and bonded fully.
Undetected voids or bond failures can lead to machinery misalignment, increased vibration, and premature wear on critical components. Knowing how to verify a Chockfast installation, and treating it as a proper epoxy grout quality check rather than a formality, is what separates a job that holds for decades from one that causes problems months down the line.
Bottom line is that meeting grouting acceptance criteria is not optional; it is the standard. So, with that said, let’s look at the steps involved in verifying an installation.
Step 1: Allow Full Cure Before Inspection
Before anything else, wait. The Chockfast inspection procedure begins only after the grout has reached the full recommended cure time specified in the relevant technical data sheet (found on the product pages on our website). That timeline varies depending on the product and the ambient temperature on site, so check the data sheet for your specific grade rather than relying on rule of thumb.
Cooler conditions extend cure time considerably and starting the post-installation inspection too early risks a false reading of the grout’s condition. Formwork and alignment devices must remain in place until cure is confirmed. Patience here is not a delay; it is a quality control step in its own right.
Step 2: Carry Out a Visual Inspection
Once the formwork is removed, a thorough visual inspection is your first line of defence. This is a key part of knowing how to verify a Chockfast installation properly. Start by examining the surface finish across the full grout bed. Look for visible cracking, discolouration, incomplete fill, or areas where the grout has not reached the intended edges. Because Chockfast has negligible shrinkage, any significant gaps or signs of pulling away from the baseplate are a warning sign that warrants further investigation.
Such baseplate installation checks should also confirm that jacking screws and alignment devices have been removed cleanly, because any materials left embedded in the cured grout can create stress points that lead to cracking over time. A careful visual sweep takes relatively little time and can catch problems before they become costly. Consider it your epoxy grout quality check baseline.
Step 3: Tap Test for Voids
With the visual inspection complete, move on to tap testing epoxy grout across the full surface area. Using a hammer or mallet, tap methodically across the cured grout and listen carefully to the sound it produces. Solid, well-bonded grout returns a consistent, clear ring. A hollow or dull sound points to a void or delamination beneath the surface, where the grout has not fully adhered or has pulled away from the substrate.
Work across the entire area in a systematic pattern, giving particular attention to edges and the zones surrounding anchor bolts, where voids are statistically most likely to occur. Tap testing is a well-established, reliable first-pass method worth remembering if you’re learning how to verify a Chockfast installation. It forms an important part of any Chockfast inspection procedure, as if concerns are identified, more advanced methods such as ultrasonic testing can be carried out to investigate further.
Step 4: Verify Dimensions and Alignment
Dimensional verification is one of the most critical stages of machinery grouting verification, and it must be completed before anchor bolts are tensioned and the machine is brought back online.
Use precision measurement tools to confirm that the grout has cured to the correct finished elevation and that equipment alignment sits within the tolerances specified for the installation. Any deviation, however small, needs to be investigated and resolved at this stage. Correcting an alignment issue before start-up is straightforward by comparison to doing so under operational conditions.
This step is also central to how to verify a Chockfast installation from a compliance standpoint: classification societies including Lloyd’s Register and DNV set specific requirements for grouted machinery installations, and Chockfast is approved to meet those standards.
Accurate baseplate installation checks coupled with dimensional records are therefore important not only for performance but for demonstrating grouting acceptance criteria have been met.
Step 5: Document Everything
Good machinery grouting verification does not end with the physical checks. A clear, complete written record is essential.
Your documentation should include:
- Photographs taken at key stages, including after formwork removal and following tap testing.
- Dimensional measurements and alignment readings.
- Results taken when tap testing epoxy grout, noting any areas of concern and how they were resolved.
- Cure time records, including ambient temperature during the curing period.
- Dates and the names of everyone who carried out the work.
- Any corrective actions taken and the outcome.
For plant managers and QA teams, this is not box-ticking, as it protects the operator, supports any future warranty discussion, and creates a reliable reference point for maintenance inspections further down the line. If something changes with the equipment years from now, you will be glad the record exists.
Browse Our Range of Chockfast Products
If you need to purchase Chockfast products, we’ve got you covered. As the sole UK distributor of Chockfast, we supply the full range of ITW Performance Polymers epoxy grout products. Whether you need materials for a new installation, a repair, or an ongoing maintenance programme, we can help.
Our current Chockfast range includes:
We also supply Phillybond Orange for sealing exposed edges of CHOCKFAST in stern tube applications. Plus, we carry ITW Philadelphia Resins repair compounds, which are designed for filling, smoothing and fairing applications on metals, plastics (FRP), wood or masonry.
You’ll find full safety and data technical sheets on each of the above pages. And if you have any questions, we’re here to help.
Not Sure What You Are Looking At? Talk to IMS
Sometimes an inspection throws up a question you were not expecting. If something does not look right, or you simply want a second opinion from someone who knows these products inside out, we are here.
We possess many years of hands-on experience with Chockfast across marine and industrial applications. We can advise on inspection concerns and product queries, and if a problem is identified, we can discuss next steps. If you prefer to leave the task to the professionals, we also carry out onsite installation ourselves.
Get started today by giving our family-run team a call on 01202 632868 or enquire using our contact form.
