Cold Applied Liquid Waterproofing Systems

Our cold applied liquid systems are based on advanced PU and PMMA technology to provide seamless waterproofing over the whole area and are completely cold applied, making them ideal for areas where hot works would be a risk. The cold liquid fully bonds to the substrate.

Precise test standards and results are stated in Bauder technical data sheets and using our specification service will confirm suitability to each project.Defined permutations of our cold applied liquid systems hold fire classification BROOF(t4) for compliance with building regulations under TS 1187 test method 4 for external fire exposure to roofs. LiquiTEC holds BBA Certification 14/5152 and LiquiTOP holds BBA Certification 20/5789. Fire performance is verified by the BBA and stated on the certifications.

Our cold applied liquid waterproofing systems are CCPI verified. This means that the product information we provide delivers accuracy, clarity and reliable data to specifiers when selecting a Bauder solution. Please refer to the relevant system page for more information on the CCPI mark.

System summaries NBS and BIM specifications CAD downloads

PU systems

>> LiquiTOP System
Project: New build or refurbishment
Construction: Warm, cold, overlay

>> LiquiTOP 3COAT System
Project: New build or refurbishment
Construction: Warm, cold, overlay

Why cold applied liquid systems?

Liquid roofing systems encapsulate the surface they are applied to, in refurbishment applications preserving whatever is underneath and protecting it from weathering. Life expectancy is up to 25 years depending on the chosen system (refer to BBA Certificate). Other benefits include:

  • Adheres to all kinds of surfaces found in flat roofing including RBM, asphalt, concrete, metals, timber, common single ply membranes, and hard plastics.
  • Resistant to extreme temperatures found in the UK.
  • Completely seamless waterproofing.
  • No heat or special equipment required.

The installation of liquid roofing does not involve hot works. The coating material used in the liquid roofing process is applied cold, thus negating any fire risk. Bauder works hard to ensure all our products meet the latest criteria for various accreditations.

Installation and maintenance

Only fully trained and certified Bauder Approved Contractors are allowed to install our products, providing the necessary experience that our exceptional guarantee demands.

To keep the roof in prime condition, practical maintenance should be carried out. This includes:

  • Cutting back tree limbs that overhang the roof to give a 1 metre clearance outside the roof edge which reduces blockage of drainage ways due to fallen leaves.
  • Removal of any vegetation growth that may have occurred, taking care not to damage the waterproofing.
  • Ensure that any protective metal flashings and termination bars remain securely fixed in place, repair or renew as necessary.
  • Examine all mastic sealant and mortar pointing for signs of degradation, repair or replace as necessary.
  • Where promenade tiles or pavers are in use, ensure that they remain in position, secure and in good condition.
Should the system require cleaning, the following methods may be used:
  • Manually washing down with a solution of warm water and mild detergent.
  • Pressure washing with a cold or warm water pressure wash with a mild detergent in solution. The head of the water lance should be kept at least 500mm away from the surface and pressure should be restricted to less than 1500psi.
  • Rinse the surface with clean, cold water.
  • Water temperature should not exceed 50°C. Use only mild detergents or degreasants.

Cleaning methods and materials not in accordance with Bauder guidelines may affect any warranty. When manually washing rough surfaces, consideration should be given to using mop heads specially designed for this purpose.

The quality and experience of the installing operative is paramount to ensuring a successful project. Bauder Approved Contractors are the only people fully trained and certified to install our products. They provide the necessary experience that our exceptional guarantee demands.
Go to approved contractor information ►
Go to maintenance advice ►

Contact us today about your project

Each project is unique in its requirements, but we have case studies and examples of our work available to help guide you. If you are looking for a cold liquid applied roof system, then get in touch with our team to discuss your project’s individual needs.