- Unit E8 Voyager Park, Portfield Road, Portsmouth, PO3 5FL
Our extensive product range is from some of the most advanced manufacturing facilities in our field and our materials/systems have been rigorously tested and certified by many recognised bodies.
Siltec provide waterproofing solutions for:
0800 0014 567
20 & 25 Year warranty with additional insurance backing
The Siltec range of single ply PVC waterproofing membranes are at the forefront of today’s synthetic production methods.
Up to 30 Year warranty with additional insurance backing
The Siltec range of bituminous membranes offers exceptional quality of manufacture and proven reliability.
Up to 35 Year warranty with additional insurance backing
The Durabond hot melt structural waterproofing system is designed to last the lifetime of the structure to which it is applied.
20 & 25 Year warranty with additional insurance backing
Silflex liquid waterproofing systems can be installed in cold, warm and inverted roof formats.
Thermal Insulation/Associated Components
Siltec offer a wide range of thermal insulation, suitable for all of the waterproofing disciplines available.
Intensive, Extensive and Biodiverse
Siltec green roof systems have been developed in association with our specialist horticultural partners in harmony with our waterproofing systems.
Photovoltaic solar energy is a clean
Newly built dwellings in the UK must now gain a ‘pass’ on their SAP calculations in order to meet current building regulations.
Siltec can assist you
Regular inspection and maintenance of flat roofs is not just good practice, it is also a condition of the waterproofing system warranty.
Open 7.30am – 5pm Monday to Friday
Our trade counter offers a complete one stop shop for flat roofing materials.
Our ultimate goal is your satisfaction. We prioritise open communication, listen to your concerns, and work closely with you to ensure that our solutions align with your vision. We are not satisfied until you are delighted with the results.
Our team comprises experienced roofing specialists who have in-depth knowledge of flat roofing waterproofing solutions. We stay updated with the latest industry trends and techniques to ensure we offer the best solutions.
Take a look at some of the common questions we get asked by our customers here at Siltec.
Siltec Technical Statement - Standard Roof Falls to Achieve Drainage and Ponding Rainwater
Siltec Technical Statement - Standard Roof Falls to Achieve Drainage and Ponding Rainwater
Siltec Technical Statement - Moisture Content in a Concrete Substate - Feb 2023
Siltec Technical Statement - Silflex Winter Advice - Dec 2022
Siltec Technical Statement - What Signifies a Level Deck...
Siltec Technical Statement - The Use of Additional Plywood or OSB in Warm Roof Deck Design
Siltec Technical Statement - Non-Standard Details and SILTEC Warranty Cover
Flat roofs constructions, including the deck, are subject to external fire spread. When a flat roof construction is tested for its external fire performance (penetration through the roof construction and surface spread of flame), it is classified within the European system as highest BRoof(t4) through to lowest FROOF(t4).
Not all flat roofs can be classified, such as existing roofs. Some do not need to be classified due to their inherent ability to stop external fire spread, such as gravel and paving slab finished inverted roofs and protected roofs, so use is unrestricted.
With tested roofs however, Siltec are proud to have an extensive range of tested systems that can provide the highest BROOF(t4) performance classification for potentially hundreds of flat roof permutations that include single ply, liquid, hot melt, and bituminous waterproofing. This provides our clients with a full range of solutions whilst still complying with HM Government Building Regulations.
Siltec offer everything a client needs. From initial advice and specification, access to our approved contractor network, design assistance and on site progress reports.
