Epoxy resin primer for preparing bare concrete for painting
Total price
£345.95 (Ex VAT)
Watco Epoxicote High Build Primer is specially designed for use with Watco Epoxicote High Build. Epoxicote High Build is a high performance 100% solids epoxy resin coating, which benefits from the use of this primer on bare concrete surfaces. Use the primer on hard, smooth, power floated concrete which would otherwise reject a paint coating. This eliminates the need for grinding or costly shot blasting. Also use on weaker, porous bare concrete surfaces. If a high build coating such as Watco Epoxicote High Build is applied to a porous unsealed concrete surface, air can become trapped in the coating during application and cure leading to bubbles in the finished floor. This primer prevents this from happening.
| Curing time | Touch dry | Overcoating |
| 10°C | 12 hours | 24 hours |
| 20°C | 6 hours | 12 hours |
| Suitable for | Bare, unsealed concrete |
| Finish | Matt, smooth |
| Interior or Exterior | Interior |
| Composition | 2 part, water based epoxy resin |
| Number of components | 1 x curing agent and 1 x resin |
| Coverage | 18m² per 3L |
| Recommended number of coats | 1 |
| Mix ratio | 100 parts curing agent : 20 parts resin |
| Application tools | Medium pile roller. Cut in using a brush |
| Wet film thickness | 160 microns |
| Dry film thickness | 120 microns |
| Curing time (at 20°C) | 12 hours |
| Minimum application temperature | 15°C |
| Pot life | Up to 2 hours at 20°C |
| Storage | Between 15°C - 25°C for at least 8 hours prior to use. Do not allow to freeze |
| Shelf life | 24 months in unopened container |
| Principle limitations | Unsuitable for bare metal. Most self-levelling compounds cannot be painted – please ask for details. Use only with Watco Epoxicote High Build |
| Cleaning tools | Warm soapy water |
Bare concrete – if surface laitance is present remove using Watco Etch & Clean. Flush with clean water and allow the surface to dry. If residual damp remains this is acceptable as Epoxicote High Build Primer is breathable.
New concrete – should be left for four weeks to dry in the summer and six in the winter. Should surface laitance be present, prepare the floor using Watco Etch & Clean. Flush with clean water and allow the surface to dry.
Remove the two inner tins from the tall outer tin. Stir the contents of each tin thoroughly and pour all of the contents into the outer tin (scrape around the inside of the tins to remove any residue). Mix the components together thoroughly using a spatula or similar wide bladed tool (a piece of wooden batten is ideal). Continue mixing until an even colour and consistency are obtained. Do not mix more than one pack at a time. If a paint stirrer fitted to an electric drill is used, also use the spatula to blend in any unmixed material from the sides and bottom of the tin.
Best results are obtained in warm (minimum 15°C), dry conditions with good ventilation. Apply with a medium pile roller, working well into the surface of the concrete. Do not exceed the maximum coverage of 18m2 per 3 litre pack, per coat.
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This product:
Watco Epoxicote High Build Primer |
Watco 4 Hour Epoxy Primer |
Watco Powerfloat Primer |
Watco Polyaspartic Primer |
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£91.25 (Ex VAT) |
£120.00 (Ex VAT) |
From £116.75 (Ex VAT) |
£115.75 (Ex VAT) |
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| Composition | 2 part, water based epoxy resin | 2 part, 100% solids epoxy resin | 2 part, water based epoxy resin | 2 part polyaspartic resin |
| Primes porous dusty surfaces | ||||
| Primes smooth & power floated concrete | - | |||
| Colour | Grey | Clear | Grey or clear | Clear |
| Can be used at low temperatures | ||||
| Can be applied to damp surfaces | ||||
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