How To Use Storm Additives
Storm Additives are designed to give plasterers precise control over set time, workability, and finish quality. Whether you need faster turnaround, more working time, or a smoother mix, each product is simple to dose and consistent in performance.
Below you’ll find clear guidance on how to use each additive safely and effectively.
🟦 Quick Set Plaster Accelerator
Best for: Faster set times, quicker turnaround, early finishes, cold conditions.
How Much To Use
Typical dose: 1 scoop per 25kg bag of plaster
You can adjust slightly depending on temperature, plaster type, and desired speed.
Start small and increase gradually until you find your ideal working time.
How To Measure
Use the supplied pre-measured scoop.
Add the powder directly into clean mixing water before adding plaster.
Mix thoroughly to ensure even distribution.
When To Use It
Want Faster Sets
Patch work and quick turnarounds
Cold weather where plaster slows down
🟨 Slow-Paced Set Plaster Retarder
Best for: Longer working time, large areas, warm conditions.
How Much To Use
Typical dose: 1 scoop per 25kg bag of plaster
Avoid excessive dosing.
How To Measure
Use the supplied scoop.
Add to clean mixing water before plaster.
Mix thoroughly.
When To Use It
Large walls or ceilings
Warm environments
Complex finishes
When you want more control and less pressure
🟩 Smooth Mix Plaster Additive
Best for: Improved workability, creamier mix, smoother application and finish.
How Much To Use
Typical dose: 1 scoop per 25kg bag of plaster
How To Measure
Add to clean water before adding plaster.
Mix thoroughly until fully blended.
When To Use It
When you want a smoother lay-on
Improving trowel glide
Reducing drag and tearing
Improving overall finish quality
Storage Tips
Store sealed and dry.
Avoid contamination.
Common Mistakes
Overuse may make plaster too soft.
Poor mixing reduces effectiveness.
📌 Pro Tip
Temperature, water quality, and plaster brand all affect performance. Fine-tune dosage on-site to match your working conditions for best results.
⚠️ Compatibility And Safety Notes
Compatible with most standard plaster products.
Always test on a small batch when using with unfamiliar materials.
Do not mix different additives together unless tested.
Keep out of reach of children.
Avoid inhaling powder, use appropriate PPE.
Follow site safety procedures.