Jetcem Waterproof Rapid Set Cement - 3kg Bag by Amazon.co.uk

• Fast, strong and easy to use waterproof compound

• Internal and external repairs to cracks and holes in structures subject topermanent water immersion

• Ideal for patch repairs to tanking and water retaining structures including ponds

• Suitable for use on concrete, stone and brick

• Water resistant and designed to set hard in approximately 30 minutes