Agnew's Water Putty is a high-quality, multi-purpose powder filler designed for repairing, patching, and levelling a wide range of surfaces. It provides a hard, durable finish that adheres permanently without shrinking or cracking, making it ideal for both professional tradespeople and DIY users.
Suitable for use on wood, plasterboard, cement sheet, concrete, render, fibre cement, and ceramic tile substrates, it can be drilled, cut, sanded, and painted once fully cured. It may also be tinted to match timber when required or left uncoloured for painted finishes.
Features
- High-quality, multi-purpose powder filler
- Suitable for wood, plasterboard, cement sheet, concrete, render, fibre cement, and ceramic tile
- Ideal for filling knotholes, nail holes, screw holes, cracks, and surface imperfections
- Excellent for patching, repairing, and floor levelling
- Sets rock hard without shrinking or cracking
- Can be drilled, cut, sanded, and painted after curing
- Can be tinted to match timber or left uncoloured for painted finishes
- Suitable for architectural moulding and hobby projects
- Available in 5kg and 20kg tubs
Ideal Applications
- Filling knotholes, nail holes, and oversized screw holes in timber
- Repairing cracks and holes in walls and plaster
- Restoring furniture and antique timber pieces
- Tightening loose timber joints, trims, and fittings
- Filling plywood edges and imperfections
- Levelling floors and correcting minor floor height variations
- Patching concrete, render, cement sheet, and plasterboard surfaces
Note: Agnew's Water Putty is a rigid, non-flexible filler. For exterior applications, ensure the substrate has minimal movement and that the cured putty is properly sealed before exposure to the elements.
Applications
Filling knot/nail holes, oversized screw holes, and defects in wood
Ensure that the substrate is sound (no loose floorboards, rotted wood, loose mortar, etc.), free from dirt, oil, dust, flaking paint or other contamination and not impregnated with a sealant. Do not prime first. If already primed, sand and provide some keying. If applying a clear finish, for example the punched nail holes on timber ceiling or wall cladding, minimise the spread and need for excessive sanding by applying a coat first and then fill. Any excess will then easily wipe off.
Add 3 parts filler to 1 part water in a clean vessel and blend into a workable paste. A stiffer mix makes work easier on a vertical surface (lightly dampen surface first). A thinner mix makes work easier on a floor with many defects.
Agnew’s Water Putty can be coloured by adding oxides, dry colour tinters, acrylic paints, etc., however too much can critically retard setting.
Press the filler firmly into the effect and smooth with a putty knife. Slightly over fill and after 30 minutes, scrape level or shape as required. A light wipe of a damp sponge can give a smoother finish.
The filler begins its initial set in about 20-30 minutes and cannot be effectively thinned or worked after this. In 2-3 hours the filled area can be sanded.
Agnew’s Water Putty is not a moisture barrier. If the substrate and/or Water Putty are not dry, moisture can be trapped under impervious finishes or coverings with unsightly or damaging effect. For finishes or coverings that can “breathe” allow 2-3 hours drying time. For impervious finishes allow 24 hours.
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