Sika 5Ltr No1 Waterproofer
- Sika No1 Waterproofer, 5 litres – ideal for concrete, mortar and render
- Creates a durable water barrier, reducing permeability and resisting water pressure
- Perfect for internal and external tanking: basements, pools, tunnels and water tanks
- Chloride-free, moisture and damp resistant, and ready to use for quick site application
- Note: Image for illustration only; product supplied as 5-litre container
Sika No1 Waterproofer is a trusted liquid admixture designed for builders and site managers needing reliable water resistance in concrete, mortar and render mixes. Its easy-to-use 5-litre container ensures convenience on site, making it a smart choice for trade professionals tackling internal or external waterproofing projects. Please note the product image is for illustration purposes only.
Application
This waterproofer is perfect for strengthening the water resistance of masonry mortars, reinforced and unreinforced concrete, screeds, and renders. It’s commonly used for internal and external tanking applications such as basements, swimming pools, tunnels, water tanks, manholes and culverts, where a robust barrier against water ingress is essential. Its chloride-free formula helps protect steel reinforcement from corrosion.
Dimension
- Container size: 5 litres (approx. 1.1 UK gallons)
Material
- Complex colloidal silicates designed to swell and block surface pores
- Chloride-free liquid admixture
Type
- Waterproofing admixture for building chemicals
Delivery
Important: The following delivery information applies only to orders placed online.
Delivery Times
When placing your order, you will be able to view available delivery times at the checkout.
Please note: while we aim to deliver within 2–3 business days, this is subject to stock availability. A member of our team will be in touch after you place your order to confirm your delivery date.
Click & Collect is also available from selected branches. However, please be aware that stock levels can fluctuate, so we’ll confirm product availability and collection timing once your order is placed.
Delivery Charges
Orders over £175 ex VAT within our local delivery area qualify for free delivery. This excludes palletised or specialist products.
For orders under £175 ex VAT, standard delivery is £10 plus VAT. Certain products have specific delivery costs:
- Civil Engineering products: £30 + VAT.
- Roofing Tiles under £249.99 ex VAT: £60 + VAT.
Delivery charges and policies may vary at the discretion of our branches, and we reserve the right to amend them as required.
Fuel Surcharge
Information on our added Fuel Surcharge can be found at https://lordsbm.co.uk/fuel-surcharge-notification
We offer a variety of delivery options to meet your needs nationwide, including pallet shipping (subject to size and weight restrictions), site delivery, and same-day or next-day delivery via TradeKart (available in selected postcodes).
Delivery charges are calculated based on your location, the products ordered, and your selected delivery method. Final costs will be displayed at checkout. If you have specific delivery requirements, please contact your local branch via our Branch Finder.
For any delivery-related enquiries, please email our sales team at websales@lordsbm.co.uk.
