Wethertex ST1 Quick Dry Stabilising Primer - Clear - 5L

DEEP PENETRATING QUICK DRYING STABILIZING PRIMER - Wethertex ST1 is the perfect product for use wh...

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Wethertex St1 Quick Dry Stabilising Primer - Excellent Adhesion - Quick Drying Formula - Water Based - Clear - 5L 5060188686057

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Product Information

Full details

The Wethertex ST1 Quick Dry Stabilising Primer is designed for DIYers and professional painters preparing unstable exterior masonry surfaces. Its key benefit is deep penetration for ultra-high adhesion and stabilization, allowing for painting over problematic surfaces. A potential caveat is the strict preparation required to ensure optimal performance. This primer seals and stabilizes substrates, providing a solid base for Wethertex masonry paints with its quick-drying formula.

All features

Model Part Number	ST1
Brand	Rawlins Paints

Extended Product Information

FAQs

What type of surfaces is Wethertex ST1 suitable for?

It is designed for unstable exterior masonry surfaces that are powdery or chalky.

How long does Wethertex ST1 take to dry?

It is touch dry in approximately 1 hour and ready for recoating in 2-4 hours.

Can I use Wethertex ST1 on wood or metal?

No, Wethertex ST1 is specifically formulated for masonry surfaces and is not suitable for wood or metal.

Do I need to dilute Wethertex ST1 before applying?

No, Wethertex ST1 should be applied neat.

What preparation steps are necessary before applying ST1?

You must remove all loose material, treat algae with a fungicidal wash, and repair any damaged areas with exterior filler.

Can I use any brand of paint over Wethertex ST1?

While it creates a stable surface, it is specifically recommended for use with Wethertex masonry paints for optimal performance.

Troubleshooting

Primer not penetrating unstable surface

Ensure all loose debris and contaminants have been thoroughly removed before application. Ensure product is applied generously and evenly.

Topcoat not adhering well

Verify that the primer was fully dry before applying the topcoat and that the surface was adequately prepared prior to priming.

Surface still feels powdery after priming

The surface may have required a second coat of primer for complete stabilization. Assess and apply an additional coat if necessary.

Pros and Cons

Pros

Significantly improves adhesion on difficult surfaces
Fast drying time speeds up the painting process
Stabilizes powdery or flaky substrates effectively
High vapour permeability supports surface health
Simple to apply with standard painting tools

Cons

Requires thorough surface preparation before application
Primarily designed for Wethertex masonry paints
Clear finish may not provide visual indication of coverage
Not suitable for non-masonry surfaces

Setup, Compatibility & Care

Preparation is crucial:

Remove all loose and flaking material from the substrate.
Treat any algae growth with Wethertex C10 Multi-Surface Fungicidal Wash.
Repair any damaged areas with a suitable exterior filler.

Application:

Apply Wethertex ST1 neat.
Use a brush or roller for application.
Apply in one generous coat to exterior powdery masonry surfaces.

Compatibility:

Designed for use on unstable exterior masonry surfaces.
Recommended for use prior to applying Wethertex masonry paints.

Care:

Store in a cool, dry place away from direct sunlight.
Keep the container tightly closed when not in use.