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SafetyCrete Dairy Shed Repair Mortar

Epoxy putty for stopping plywood and similar applications

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Epoxy putty for stopping plywood and similar applications

GEMSTOP EP is a 2 part, medium cure, knife or trowel, epoxy putty. It is formulated for stopping plywood and similar applications. It has medium cure and can be sanded after overnight cure and in some cases the same day. It will cure down below 0° Celsius and is tolerant of less than perfect surface preparation. It has been used by hobbyists, crafts, wood turners, boat builders, flooring contractors etc.

Download 7.100 GEMSTOP EP Product Sheet

Physical properties

  • Appearance: Part A(Base) white paste Part B(Hardener) - coloured paste
  • Odour: low odour
  • Solids: 100%
  • Coating Type: Epoxy
  • Packaging: Two part pack – 2l & 20l
  • Mix ratio: 1:1
  • Pot Life: 1 hrs at 20 degrees Celsius (100g mix)
  • Coverage: 1 sq metre/10 litre @ 1cm DFT(theoretical - depends on substrate)
  • Cure to sand: Typically 4-8 hours - will vary according to temperature & humidity
  • Cure hard: 24 hours ,7 days to full cure
  • Shelf Life: 6 months

Surface Preparation

  • Loose material must be removed e.g. sawdust .
  • All oil, grease , and other contaminants must be removed .

Method of Application

  • GEMSTOP EP is a 2 part product.
  • It comes in an 2 part pack with the correct ratio of ingredients.
  • Add hardener to base and thoroughly mix.
  • If mixing a large quantity a drill with a mixing blade is recommended.
  • GEMSTOP EP is applied by putty knife or trowel.
  • Dry to sand is normally overnight but will vary depending on temperature & humidity.
  • GEMSTOP EP can be over coated with most adhesives, or coatings providing it is thoroughly sanded.

Handling Precautions

  • Avoid contact with eyes and skin.
  • Do not ingest.
  • Use with adequate ventilation.
  • Protective clothing ,eye protection, and gloves should be worn.
  • Do not breathe vapour..
  • Keep away from children.



The information provided is accurate to the best of our knowledge. We can not however anticipate all conditions under which this information and our products may be used. We therefore accept no responsibility for results obtained by the application of our products, or  for their safe use  and suitability. GemCo Limited sells these products without warranty and buyers  and users assume  all  responsibility and liability for loss or damage arising from the handling  and use of our products.

500ml Kit