It is suitable for use over asphalt felt and metal.
Bituminous roofing felt.
The substance itself is made from bitumen which comes from the distillation of crude oil that has been either mixed with sand or crushed limestone.
It should not be used over tar based products.
Modified bitumen is a type of asphalt product that can be applied in a number of ways to the roof in both hot and cold temperatures.
These systems are sometimes used to construct roofs in the form of roofing felt or roll roofing products.
One of the longer lasting roofing options for flat roofs is bitumen roofing or a modified bitumen roof.
Bitumen roof advantages and disadvantages.
Bituminous felt is a form of waterproof sheeting that is used to cover flat roofs or as an underlay beneath slate or tile roofing.
15 tarah astm 4869 type i is an 15 tarah astm 4869 type i is an authentic asphalt saturated organic felt underlayment is used as a breathable secondary weather resistant barrier when applied over the roof deck prior to the installation of the primary roofing product.
Bostik bituminous felt adhesive for roofs is a cold applied solvent borne bituminous adhesive for bonding all types of roofing felt.