James Asphalt and Waterproof Steps have experience in the mastic asphalt industry dating back 50 years.
![Waterproofing for steps and walkways in London](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/gallery-1.jpg)
![Step Waterproofing in London](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/gallery-8.jpg)
![Waterproofing for steps and walkways in London](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/gallery-9.jpg)
![Mastic Asphalt Waterproofing for steps and walkways in London](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/gallery-4.jpg)
![Mastic Asphalt Waterproofing in London](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/gallery-5.jpg)
![Liquid Rubber Systems for waterproofing walkways and roof terraces](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/gallery-6.jpg)
20 year warranty
All of our works come with a 20 year backed warranty, and we are members of the Mastic Asphalt Council, Trustmark, NFRC and are approved installers of IKO Polymodified mastic asphalt.
![Member of Mastic Asphalt Council](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/mastic-council.png)
![NFRC registered for london steps waterproofing](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/nfrc.png)
![Trustmark accredited](http://londonstepwaterproofing.co.uk/wp-content/uploads/2019/03/Trustmark-Logo.jpg)