Business Details
20 Years
experience
Emergency
services
Expert GRP Roofing Solutions in Oxted, Surrey
Established over 18 years ago, Smartseal Flat Roofing has consistently delivered high-level craftsmanship in liquid waterproofing solutions. Our expertise lies in fibreglass waterproofing systems tailored for flat roofs, dormers, balconies, green roofs, wet-rooms, ponds, and pools. We pride ourselves on offering advanced GRP (Glass Reinforced Plastic) systems such as Ultra Flex, Cure-It, Res-Tec, and Topseal, each designed to meet rigorous durability and performance standards. Our team combines technical proficiency with a commitment to customer satisfaction, ensuring seamless installations and long-term protection against leaks and environmental stressors.With a 25-year materials guarantee on select systems, we provide peace of mind alongside innovative solutions. Our dedication to quality is reflected in our free temporary covering during installations, no-obligation quotes, and a fully insured service. Testimonials highlight our responsiveness, professionalism, and ability to resolve complex roofing challenges, including emergency repairs. Operating across Surrey, London, and surrounding areas, we serve residential, commercial, and industrial clients with tailored waterproofing strategies.
Services
GRP Waterproofing
Flat Roof Repair
Green Roof Installation
Pond Waterproofing
Emergency Roof Repairs
Balcony Waterproofing
Warm-Roof Systems
Cold-Roof Systems
Non-Slip Surfaces
Refurbishment Services
Details
- Year established: 2006
Highlights and features
- We offer 18+ years of specialised experience in GRP waterproofing systems.
- Our systems include a 25-year materials guarantee for long-term reliability.
- We provide free temporary covering during installations to protect properties.
- Our team delivers responsive, professional service for emergency repairs.
- We operate with full transparency, including free no-obligation quotes.
What people say
Excellent service
Professional from start to finish
Fantastic product
15-year guarantee
Brilliant job
Services
GRP Waterproofing
Our GRP waterproofing systems provide seamless, durable protection for flat roofs and complex structures. Using Glass Reinforced Plastic, we create leak-proof barriers resistant to UV exposure, extreme weather, and temperature fluctuations. Ideal for residential and commercial properties, these systems combine strength with aesthetic flexibility, offering long-term solutions backed by 25-year guarantees.
Green Roof Installation
Topseal green roof systems integrate sustainability with durability, featuring sedum blankets and pebble finishes. Designed to reduce energy consumption and improve air quality, these roofs withstand heavy loads and environmental stressors. Perfect for urban developments seeking both ecological benefits and robust waterproofing performance.
Emergency Roof Repairs
We address sudden roof failures with rapid response times, including same-day scaffolding installation and temporary coverings. Our team prioritises immediate damage control while implementing permanent GRP solutions to prevent future issues, ensuring property safety during critical situations.
Balcony Waterproofing
Specialised GRP systems for balconies provide slip-resistant finishes and full waterproofing. These solutions accommodate foot traffic and weather exposure, featuring reinforced layers for longevity. Applications include residential terraces and commercial walkways requiring both safety and durability.
Pond Waterproofing
Bonda system installations create seamless, lifetime-guaranteed linings for ponds and pools. The GRP-based solution resists chemical and UV degradation, offering a sustainable alternative to traditional materials. Suitable for both new builds and refurbishments requiring watertight integrity.
People
Darren John
Owner/President
With over 10 years in the roofing industry, Darren leads Smartseal's GRP installations and client consultations. His expertise ensures technical precision and customer-focused solutions, reflected in testimonials praising his responsiveness and problem-solving approach during complex projects.
Questions
What GRP systems do you offer?
We provide Ultra Flex, Cure-It, Res-Tec, Topseal, and Bonda systems tailored to roofs, balconies, ponds, and green roofs.
Do you offer guarantees?
Yes, our Topseal system includes a 25-year materials guarantee, and other systems have 15-year warranties.
Can you repair existing roofs?
Yes, we refurbish damaged roofs using GRP overlays or polyurethane systems without full replacement.
Do you work outside Surrey?
We serve London, Guildford, Farnham, and surrounding areas including commercial and residential properties.
Are emergency repairs available?
Yes, we respond promptly to urgent leaks, including same-day scaffolding and temporary protection.
What payment methods do you accept?
We accept major credit/debit cards and bank transfers. Payment terms discussed during quoting.
Reviews (2)
Bodrul Uddin
Oct 04, 2021
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Daren provided me with an excellent service after our builder left us with a leaking roof. They worked tirelessly to fix our roof and we are truly grateful. A really nice individual and I would happily use Darren and his team again!
Parish Administrator
Nov 12, 2018
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Smartseal installed a GRP roof on our kitchen extemsion over 7 years ago. The roof is sound and trouble free and still looks fantastic. I have no hesitation in recommending this company and often see the vans around in the Oxted area.
