Complete Piece Of Mind – 20 Year Maintenance Free Guarantee

Waterbrothers and Carlisle EPDM for long-term waterproofing solutions.

Roofing conditions in Africa require that we use systems that can withstand a lot.With is superior UV and hail resistance, Carlisle EPDM can take whatever the African climate throws at it. There are many other products on the market and we have experience in removing all of them and installing Carlisle EPDM in their place.

For complete peace of mind and support Waterbrothers and Carlisle EPDM is here for you to secure and protect your investment.


EPDM is a synthetic rubber with a molecular cross-linked structure, ethylene propylene diene monomer rubber (EPDM) is far superior, more durable and more flexible than conventional roofing systems. EPDM is completely weather and UV-resistant.

With an extreme elasticity of more than 500%, it is the most flexible single-ply membrane for waterproofing flat roofs, buildings and facades and is credited with a service life of more than 50 years. Being extremely durable and flexible EPDM is perfect for a wide range of waterproofing applications.



EPDM roofing membrane has been the architects, builders and roofing contractors choice for the low slope commercial roofing industry for more than over 40 years.

The greatest test of any construction material is how well it performs under field conditions. Forty years of tested and documented experience in field applications has shown EPDM to have the longest average service life of over 50 years.

Baseline Roofing System



EPDM is proven to cost less over other types of flat roofing materials is its one of the most inexpensive residential roofing materials.

EPDM is very lightweight, so can be used on decks, balconies and flat roofs without the need of reinforcement. EPDM is durable and perfect for warm and sunny climates.

EPDM Waterproofing Systems


Carlisle EPDM has been field-tested for 50 + years and due to its unique molecular cross-linked structure, it is by far a more durable and flexible option than conventional roofing waterproofing systems. Carlisle EPDM is a synthetic rubber that is completely weather resistant and UV stable and with an elasticity of more than 500%, it is the ideal single-ply membrane for all waterproofing and water containment solutions.

Fully Adhered System

EPDM membrane is adhered
directly to the substrate using a specialised bonding adhesive.

Inverted System

EPDM membrane is adhered or loose laid on the substrate with an insulation board, geotextile and ballast layer.

Ballasted System

EPDM membrane is loose laid onn
a substrate with a geotextile and ballast layerto keep membrane in place.



Life Expectancy 80 Years 10 – 12 Years
Price 50% less when longevity is linked Higher cost, will have to be
periodically replaced
Installation Easy to install, safe and less time consuming Difficult to install, unsafe to torch on
Durability Hard wearing, resistant to weathering,
flexible and requires no maintenance
Susceptible to weathering and UV rays.
No flexibility, tears, splits and cracks
Aesthetics Appearance is pleasing and modern
and not affected by age
Appearance deteriorates with age
and looks outdated
Guarentee 20 years 5 years



Environment Non toxic, Eco Friendly Toxic Some non toxic
Application Cold applied Heat Fusion with Gas blow torch Cold Applied with spray
Minimum Thickness 1.14mm 4mm Up to 8mm
Elongation of Break Up to 500% 25% Up to 300%
UV Stability UV Resistant Not stable requires aluminium silver paint Not stable – requires top coat of paint
Maintenance Plan None Service every 2 – 3 years @ Approx R250/m2 Service every 2 – 3 years @ Approx R250/m2