Frequently Asked Questions

Colour variation visible whilst applying:
Cause
Solution
Product ordered in parts and not one batch for the entire job.
Using dirty rollers or brushes and mixing buckets.
Not vacuuming the floor properly before applying sealers especially at the junction of wall and floor.
Product ordered in parts and not one batch for the entire job.
Double check m2 and order correctly.
Using dirty rollers or brushes and mixing buckets.
Clean tools are the sign of an efficient and professional application team.
Not vacuuming the floor properly before applying sealers especially at the junction of wall and floor.
An approved professional flooring applicator will always have a well maintained industrial vacuum cleaner.
Delamination:
Cause
Solution
Weak or faulty substrate.
Oil or chemical contamination.
Lack of proper preparation.
Weak or faulty substrate.
Always inspect floor for hollow spots or oil contamination.
Oil or chemical contamination.
Lack of proper preparation.
Small pin holes / bubbling appears on the surface:
Cause
Solution
No primer used, air entrapment in the small voids move to the surface causing pin holing.
Activator and base mixed too vigorously (high speed festo drill).
Applied too soon after mixing and not allowing air to move to the surface.
Not using a spike roller when specified.
No primer used, air entrapment in the small voids move to the surface causing pin holing.
Always follow manufacturer's specification. If substrate is extremely porous apply 2 primer coats.
Activator and base mixed too vigorously (high speed festo drill).
Mix on low speed.
Applied too soon after mixing and not allowing air to move to the surface.
Allow mixed product to stand for a few minutes before applying.
Not using a spike roller when specified.
Use specified application tools (refer to data sheets).
Coating does not set (harden):
Cause
Solution
Not mixing activator and base.
Not mixing activator and base for specified duration.
Splitting kits.
Not mixing activator and base.
Follow detailed mixing instruction.
Not mixing activator and base for specified duration.
Follow standard mixing times (refer to datasheets).
Splitting kits.
Never part mix or split kits.
The specified spread rates are not achieved:
Cause
Solution
Product too cold (stiff) when applied.
Incorrect application tools.
Applying product too thick.
Substrates porosity is excessive.
Product too cold (stiff) when applied.
Apply in temperatures between 15ºC - 30ºC.
Incorrect application tools.
Check you are using the correct application tools (refer to data sheets).
Applying product too thick.
Apply at specified spread rates (refer to data sheets).
Substrates porosity is excessive.
Site inspection should alert you to this, notify client and specify in quote that extra primers may be necessary.
Brush and / or roller lap marks showing:
Cause
Solution
Inferior brushes or rollers used.
Inexperienced applicators.
Inferior brushes or rollers used.
Use specified application tools (refer to data sheets).
Inexperienced applicators.
Never rush applying product, always cut in and roll working as a team and do not allow the applicator cutting in to run ahead of the roller applicators. Rollers must always cross roll and check the applied area has no missed spots before moving on.
White milky marks appear:
Cause
Solution
Substrate contaminated with moisture through rising damp or ingress through walls due to faulty DPC membranes.
Incorrect building details.
Substrate contaminated with moisture through rising damp or ingress through walls due to faulty DPC membranes.
Never lay floors on substrates with a moisture content above 14%.
Incorrect building details.

From Protection to Perfection,
We've Got You Covered

At Pendong, we specialize in delivering top-quality coatings, resins, and solutions that protect, enhance, and perfect industrial surfaces. From safeguarding against the toughest conditions to elevating performance and aesthetics, our products are engineered for excellence. Whatever your industry, we've got you covered.

Flooring
Industrial Coatings
Marine Coatings
Browse
All Products

Can't find what you're looking for?

View Product Range

Heritage & Quality

Proudly crafted by one of South Africa's most established ISO-certified independent coating brands.

Flawless Finish

Every professional applicator knows that proper preparation is the foundation of a flawless finish.

Industrial Strength

Pendong has redesigned industrial-grade products to meet the needs of the DIY professional.

Get in Touch

For more information or to locate your nearest Pendong stockist, get in touch with our customer relations team today.