# Liquid Damp Proof Membrane – Synthaprufe LAC – IKO

IKO pro Synthaprufe LAC is a high-performance waterproofing liquid used as a damp-proof membrane and water-repellent coating. It forms a flexible membrane when cured and provides an effective barrier to water and water vapour. Synthaprufe LAC is easy to apply and is suitable for use in the most demanding site locations.  
  
A cold-applied liquid asphaltic compound which, once applied, dries to provide a waterproof and vapour-resistant black, flexible film. When suitably protected, Synthaprufe LAC will be effective throughout the life of the building.

**Benefits**

-   Bonds with great strength to a range of building materials and is completely waterproof, forming a seamless membrane
-   Suitable for waterproofing of foundations, retaining walls, abutments, steel columns, beams, lintels and structures where cladding is to form the outer leaf
-   Excellent resistance to sulphates and other soil salts
-   Cold-applied, easy to apply
-   Flexible - withstands normal building movement
-   BBA approved (Certificate No. 98/3454)
-   Size: 5 Litre

## Details

- **Price:** 56.81 GBP - 209.28 GBP
- **Vendor:** IKO PLC (R15D)
- **Type:** Damp Proof Membrane
- **Tags:** Building Materials, Damp Proof Membrane, Damp Proofing & Ventilation, National

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| 5L | 56.81 GBP | In stock |
| 25L | 209.28 GBP | In stock |

## Images

- Liquid Damp Proof Membrane – Synthaprufe LAC – IKO
- Liquid Damp Proof Membrane – Synthaprufe LAC – IKO

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> Source: [Carvers Building Supplies](www.carvers.co.uk/products/liquid-damp-proof-membrane-iko-synthaprufe-lac-5l)
> Updated: 2026-06-16