Bitumen Waterproofing

Bituminous membrane waterproofing is a popular method used for low sloped roofs and sunken areas due to their proven performance. Bituminous waterproofing membrane have Torch on membrane and self adhesive membrane. Self adhesive  compounds comprise asphalt, polymers and filler; additionally, certain resins and oils may be added to improve adhesion characteristics. The self adhesive type has low shelf life as bonding properties of the membrane reduces with time. Torch on membrane  have exposed and covered types. Exposed membrane often has mineral granular aggregate to withstand the wear and tear of the weathering and the other types of membrane, contractor need to apply one protective  screed  to prevent the puncture of the membrane.