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APP Modified Roofing

Attactic Polypropylene Modified Bitumen, or APP Modified roofing, is a durable asphalt-based membrane that is reinforced with a polyester mat. This is also known as “torch down roofing”, because torches are used to melt the underside of the roll that allows it to adhere, or stick to, the prepared substrate.  This system is commonly installed over existing roof systems such as a smooth surfaced built up roof, another modified roof, or a fiberglass-base sheet.

Manufacturers of modified materials generally recommend that this system receives maintenance and/or coating work every five to seven years or as required.  J.E. Dixon Roofing’s Maintenance Program has trained professionals ready to service this system.

APP Modified System Options

APP Modified Bitumen comes in various combinations of texture and color:

Textures Available:

  • Smooth
  • Granulated

Colors Available:

  • White
  • Black
  • Additional colors available upon request.

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We are known for quality roof repairs, maintenance and installations in Metro Detroit. We serve clients every day in Troy, Birmingham, Harper Woods, Bloomfield, Auburn Hills, Royal Oak, Sterling Heights, Novi and other parts of Michigan. Call Dixon Roofing at 586-752-2411.