MODIFIED BITUMINOUS ROOFING SYSTEMS
Modified bituminous roofing systems could be considered the “modern” version of the old tried-and-true asphalt built-up systems. Multiple plies, or layers, are applied with adhesives to achieve a highly durable roof assembly. Typically asphalt based, modified systems may also be based on coal-tar composition. The most popular systems are SBS and APP, which consist of asphalt and other chemicals combined for flexibility and durability. Warranties are available from 10 to 30 years.
FEATURES
- Highly Durable – multiple plies/layers of material in adhesives
- Wide variety of standard finish textures and colors
- Can be phased on new-construction projects so that the top layer is the final stage
OPTIONS
- Various thicknesses and strengths of plies
- Granules, gravel or smooth finish
- Multiple color options depending on type of finish
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