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Marshalltown Dry Wall Scarifier - 200mm (8in)

Marshalltown Dry Wall Scarifier - 200mm (8in)

Marshalltown Scarifiers are designed to easily scratch the plaster undercoat to promote a good bon...

Best current price£9.38from Power Tools Direct

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Rapid Online - Rapid Electronics Ltd.Marshalltown M722 Drywall Scarifier 200mm (8in)
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OnBuy.comMarshalltown M722 Scarifier Blued Steel Tines 8" 200Mm Plastic Handle
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Blueperry agriculture (UK)Marshalltown M722 Drywall Scarifier 200Mm M722
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Product Information

Full details

This Marshalltown Dry Wall Scarifier is ideal for plasterers and drywall finishers who need to create a strong bond between plaster undercoats and finish coats. Its key benefit is its ability to effectively roughen surfaces for optimal adhesion. A potential caveat is that it requires proper technique to avoid damaging the undercoat.

All features

Model Part NumberM722
BrandMarshalltown

Extended Product Information

FAQs

What is the primary purpose of this scarifier?

Its main purpose is to scratch plaster undercoats, creating a textured surface that promotes better adhesion for the finish coat, preventing future cracking or peeling.

What is the spacing of the tines?

The tines are spaced approximately 6mm apart.

How long are the tines?

The tines are 75mm long.

What material are the tines made of?

The tines are made of blued steel.

Can this tool be used on concrete walls?

No, this tool is specifically designed for plaster undercoats and is not intended for use on concrete, wood, or metal.

How should I clean the scarifier after use?

Clean the tines with a stiff brush or a damp cloth to remove plaster residue. Ensure it is dry before storing.

What is the width of the scarifier?

The width of the scarifier is 200mm (8 inches).

Troubleshooting

Tines not scratching effectively

Ensure the plaster undercoat is at the correct stage of dryness (often slightly tacky or semi-dry). Clean any hardened plaster from the tines. Apply consistent, even pressure.

Uneven scratching pattern

Maintain a steady, even stroke and consistent pressure across the surface. Avoid stopping and starting abruptly.

Tines bending excessively

The tines are designed to be flexible. If they appear to be bending too much for your desired effect, try a lighter pressure or ensure the plaster is slightly firmer before scraping.

Pros and Cons

Pros

  • Ensures a superior bond between plaster layers.
  • Durable construction for long-term use.
  • Ergonomic handle design for user comfort.
  • Efficient coverage due to its 8-inch width.
  • Designed by a leading manufacturer in the trades.

Cons

  • Requires careful application to avoid over-scratching.
  • Primarily designed for plaster undercoats, not all surface types.
  • Tines are flexible, which may require a specific technique for deep scoring.

Setup, Compatibility & Care

Setup: The Marshalltown Dry Wall Scarifier requires no assembly. It is ready for use straight out of the packaging.

Compatibility: This tool is specifically designed for scratching plaster undercoats to ensure adhesion for finish coats. It is compatible with most types of plaster and drywall compounds. It is not intended for use on concrete, wood, or metal surfaces.

Care: After each use, clean the tines thoroughly to remove any dried plaster or debris. A stiff brush or a damp cloth is usually sufficient. Ensure the tool is completely dry before storing to prevent rust on the steel tines. Store in a dry place to maintain its condition.

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