Asphalt RoofingThe most durable and traditional waterproofing solution Mastic Asphalt is the traditional choice of specifiers as a waterproofing medium because it has a long and successful history in many different situations and applications.

The Material
The material is made up of graded aggregates bonded together in suitable bitumen which when solid, forms a dense, voidless impermeable mass, but when heated to the correct temperature is spread by a hand float. In the hands of a Charles James craftsman it can be used to waterproof not just large flat areas but the most intricate details.

The Advantages...‍

‍Modified Asphalt
This is a Mastic Asphalt which has been manufactured using a polymer modified bitumen. The product contains all the performance advantages of standard asphalt, but it also has enhanced handling characteristics and increased high temperature stability. Charles James craftsmen have been applying Mastic Asphalt for generations and today use their traditional skills to also lay Hot Melt Monolithic Roofing and Waterproofing Systems.

Flat Roofing
Mastic Asphalt is highly suited as a flat roofing material where it is not excluded by weight considerations.

Roof Gardens
Extensive and Intensive Mastic Asphalt is a suitable waterproofing membrane for all types of green roofs because of its long term performance and durability; important where subsequent access to the membrane will be difficult.

Car Parks
For parking, service decks and loading bays, Mastic Asphalt still provides the most durable and best performing waterproofing solution.