Kemper Approved Contractors

Kemper Approved Contractors

Here at Exall Roofing, we are Kemper approved contractors. Kemper is a liquid waterproofing system that can be used for a range of applications including complex detailing, repairs, and even gutters. With over 50 years of innovation, Kemper liquid waterproofing systems have stood the test of time.

Kemper is a liquid waterproofing system can be used for a wide range of projects including flat roofs, warm roofs, cold roofs, inverted roofs, green roofs, profiled metal roofs, podium decks, balconies and walkways and even water features. So if you are looking for a long term, sustainability and solvent free liquid waterproofing option that is cold applied, look no further than Kemper. There are a few different Kemper systems that we can install and we have outlined them for you below.


KEMPEROL® 1K-PUR is a highly durable and long lasting liquid waterproofing system that becomes weather resistant in as little as 60 minutes. 1K-PUR is your best option if you’re looking for normal maintenance and foot traffic.

One of the key features of KEMPEROL® 1K-PUR is that it is instantly ready for use which saves you time and money. It acts as a long term solution and provides a permanent, elastic and seamless membrane that is particularly useful for details roofs that have pipe penetrations and gutters. KEMPEROL® 1K-PUR is also a good choice for balcony, terrace, and patio waterproofing.


KEMPEROL® 2K-PUR has revolutionised waterproofing system. It is a solvent-free, odourless, wet-on-wet, fleece reinforced liquid roofing option like no other and is the only type in its class that is available in the UK market. It's odourless and solvent free character makes it perfect for roofing projects that are sustainability-focused as well as occupied buildings that cannot afford to be disturbed by odours and fumes.

KEMPEROL® 2K-PUR is an environmentally responsible roofing option and in fact contains about 80% of the resins it contains are sourced from castor plants. It is also a 2-component polyurethane-based product and, like 1K-PUR it forms a permanently elastic and seamless roofing material. It is also vapour permeable.


KEMPEROL® V210 is an ideal liquid waterproofing solution for roofs, balconies, terraces, podiums and gutters with complex detailing. This 3-component, polyester-based system is cold applied and weather resistant within 30 minutes.

A nice feature of KEMPEROL® V210 is its root resistance which makes it your first choice if you’re looking to install a green roof. Like the other two solutions, V210 produces a permanent, elastic, seamless, vapour permeable membrane that is both durable and tear-resistant.

KEMPEROL® V210 is British Board of Agrément (BBA), ETA and FM certified and is approved for use in zero pitch situations.

If you require more information about Kemper approved contractors or would like a quote for one of our Kemper liquid waterproofing systems, please contact our professional and friendly team on 020 8037 1848.

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