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Striving to make our products the safest for applicators and building occupants.
Cold-Applied Liquid Waterproofing
Centech PU Roofing System
A high-performance, cold-applied liquid waterproofing system developed for durable, seamless roof protection.
- Cold applied – no hot works required
- Suitable for new roofs and refurbishment projects
- Available with guarantees of up to 25 years
From £124.95 + VAT
£149.94 including VAT
Trade pricing available for approved contractors
Step 1: Select system guarantee
Step 2: Select product size
Step 3: Select colour
Step 4: Enter your roof size
Recommended units: 10
Estimated coverage: 50 m²
Estimated total (inc VAT): £0.00
Not sure of your roof size? Speak to our technical team and we’ll help you calculate what you need.
- Secure online ordering
- Technical support available
- UK manufactured
- Fast nationwide delivery
Manufactured in the UKDesigned and made by Centaur
Up to 25-year guaranteesSystem options for long-term cover
Technical specification supportGuidance from Centaur specialists
Nationwide deliveryFast UK mainland despatch
Future Focused
Designed with the future in mind.
Manufactured in the UK
One of few manufacturers with all waterproofing systems designed and manufactured in the UK.
Seamless Waterproofing Built to Last
Centech PU is a cold-applied, liquid polyurethane roofing system. A single pack, high performance membrane designed to provide enhanced long-term waterproofing protection for your roof.
All of Centaur’s waterproofing products are stripped of free monomeric isocyanates, non-flammable and ultra-low odour — suitable for new-build, refurbishment and overlay projects.
- Seamless finish
- Excellent adhesion
- Flexible waterproofing
- No flames or hot works
- Suitable for complex roof details
- Fast and straightforward application
Seamless finish
Joint-free waterproofing that follows the contours of the roof.
Excellent adhesion
Compatible with correctly prepared common roof substrates.
Flexible waterproofing
Accommodates movement and demanding roof geometries.
No flames or hot works
Cold-applied system reduces site risk versus torch-on methods.
Complex roof details
Ideal for penetrations, upstands and irregular shapes.
Fast application
Straightforward liquid application for efficient project delivery.
What’s included?
Build the complete Centaur system around Centech PU. Selecting the Complete System Kit highlights core included items for this demonstration.
Included
Centech PU Waterproofing
Primary cold-applied liquid waterproofing membrane.
Optional
Centech GFM Reinforcement Mat
Reinforcement for joints, seams and high-stress areas.
Optional
Centech Compatible Primer
Prepares the substrate for consistent system adhesion.
Optional
Detail Reinforcement
Strengthens edges, penetrations and complex junctions.
Optional
Application Tools
Rollers and accessories for a controlled application.
Application process
Prepare the roof
Clean, dry and make sound the existing substrate.
Apply primer
Use the recommended Centaur primer where required.
Reinforce & waterproof
Install reinforcement and apply Centech PU.
Finishing coat
Complete the system with the finishing coat specification.
Always follow the official Centaur specification and application guidance.
Technical data
| Product type | Cold-applied liquid polyurethane waterproofing (demonstration) |
|---|---|
| Application method | Brush / roller (cold applied) |
| Available sizes | 5kg, 10kg, 15kg, Complete System Kit |
| Typical coverage | Approx. 1 m² per kg (demonstration rate) |
| Drying time | Dependent on temperature and film thickness (site conditions apply) |
| Suitable substrates | Felt/bitumen, asphalt, concrete, timber/plywood, metal (with suitable primer) |
| Available colours | Dark Grey, Mid Grey, Light Grey, Other on request |
| Guarantee options | 10, 15, 20 and 25 year system options |
| Country of manufacture | United Kingdom |
Technical values on this page are demonstration content for the proof of concept and should be confirmed against Centaur datasheets.
Downloads
Delivery
Orders are prepared for UK mainland delivery. Lead times vary by quantity and destination. Your Centaur account contact can confirm despatch windows for project-critical dates.
UK mainland despatch
Fast nationwide delivery options for trade and project orders.
Project scheduling
Coordinate larger deliveries with your Centaur advisor.
Secure packaging
Products are packed for safe transit to site or depot.
Contractor reviews
4.9
out of 5 · demonstration reviews
The reviews below are demonstration content for this proof of concept and are not genuine customer testimonials.
NorthWest Roofing Solutions · Flat roof refurbishment
Cold-applied application made the occupied building much easier to work around. Detailing quality was excellent.
Peakline Contractors · Education estate overlay
Straightforward system to train the team on. Centaur technical support helped finalise the substrate preparation.
Harbour Facilities Ltd · Industrial unit
Good coverage and finish. We selected the 20-year system option for the client’s maintenance plan.
Not Sure Which System You Need?
Our technical team can review your roof type, existing substrate and project requirements before recommending the most appropriate Centaur system.
FAQs
What surfaces can Centech PU be applied to?
It can be considered for many common substrates including felt/bitumen, asphalt, concrete, timber/plywood and metal when correctly prepared and primed.
Do I need to use a primer?
In most cases a compatible Centaur primer is recommended. Final primer selection depends on the existing surface and condition.
How much product will I need?
Use the coverage calculator above as a demonstration guide, then confirm quantities with Centaur technical support for your project.
Can it be installed without hot works?
Yes. Centech PU is a cold-applied system and does not require flames or torch-on application.
What guarantee options are available?
Demonstration options include 10, 15, 20 and 25 year system packages, subject to correct specification and installation.
Can Centaur help specify the complete system?
Yes. Centaur can advise on primers, reinforcement, detailing and finishing coats for a complete waterproofing build-up.
Is technical support available during installation?
Technical support is available to approved contractors and project teams. Contact Centaur for guidance during installation.
How quickly can the product be delivered?
Delivery timing depends on order size and destination. Your Centaur contact can confirm current lead times.
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