About Us
Flat Roofs. Balconies. Walkways.
How We Became Your Trusted Roofing Partner
Welcome to YJ Liquids Ltd, London's trusted specialist in liquid waterproofing, flat roofing, balconies and walkways since 2000. Over the past 20+ years we've become the go-to contractor for hotels, local authorities, housing associations, managing agents and main contractors who need reliable, high-quality workmanship. From emergency repairs to full refurbishments, our CSCS-accredited team is fully insured and trained in Working at Height, Asbestos Awareness and First Aid — because every project deserves to be done right.
Who we work with:
Hotels
Managing Agents
Local Authorities
Commercial Buildings
Residential Developments
Schools
Main Contractors
Private Clients
Housing Assosiation
What We Do
Company Certifications
Our company offers a range of roofing services to meet the needs of your project, guiding you from initial consultations all the way to project completion and beyond. We understand that every roof is unique, and we tailor our approach to fit the specific requirements of your project.
Waterproofing Expertise
Over 20 years delivering high-quality flat roofing, balcony and walkway waterproofing across London.
Certified Professionals
Our CSCS-accredited team is trained in Working at Height, Asbestos Awareness and First Aid
Industry Certifications
We're approved installers for Bauder, Cure It, Fastco and other leading waterproofing systems
Proven Project Success
A trusted track record with hotels, local authorities, housing associations and main contractors across London
Licensed & Insured
Fully insured and health & safety compliant, giving you peace of mind on every project.
Skilled Roofing Team
Our experienced team handles everything from minor repairs to complete refurbishments, safely and professionally.
why choose us
Our Commitment to Excellence
We deliver reliable, high-quality waterproofing and roofing services with a CSCS-accredited team and over 20 years of experience. Our commitment to excellence ensures every project is completed on time, within budget, and built to last.
Choose YJ Liquids for trusted expertise and customer satisfaction.
Our 20-Year Workmanship Guarantee
We back our waterproofing and roofing work with a 20-year guarantee. If there's ever an issue with our workmanship, we'll come back and put it right.
We are a trusted local waterproofing and roofing company dedicated to protecting properties across London, one roof at a time.
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