TRI-BUILT 483 Polyester Reinforcing Fabric, 6 in. x 300 ft, White

TRI-BUILT 483 Polyester Reinforcing Fabric in white is a 6 in. x 300 ft polyester roll for reinforcing roof coatings and sealant repairs. Sold as one roll, it is sized for detailing work such as flashing corners, penetrations and narrow seams before top coating.

Key Features:

• Detailing width: The 6 in. width is suited to flashings, corners, penetrations and narrow seams.
• 300 ft roll: Each roll provides 300 ft of reinforcement in one continuous length.
• Polyester mesh: Polyester fabric adds tensile strength to coating and mastic repairs.
• White color: White fabric is unobtrusive under light-colored coatings.
• Standards listed: Applicable standards are ASTM D-5034, ASTM D-3787 and ASTM D-1117.
• Light and portable: The roll weighs 4 lb for easy handling on the roof.

Specifications Table:

Coverage & How Much You Need:

One 300 ft roll laid flat covers about 150 sq ft per pass at 6 in. width; use continuous strips with overlap where seams meet.

Fit and Compatibility:

Used as the embedded reinforcement in compatible roof coating and mastic systems; coatings sold separately. Complements the 12 in. and 40 in. widths of the TRI-BUILT 483 fabric line.

Frequently Asked Questions (FAQ):

Q: What is included?
A: One white 6 in. x 300 ft roll of TRI-BUILT 483 Polyester Reinforcing Fabric.

Q: How much does one roll cover?
A: A single 6 in. wide pass runs 300 ft, about 150 sq ft per pass before overlaps.

Q: Where is this width best used?
A: The 6 in. width is ideal for flashing details, corners, penetrations and narrow seam reinforcement.

Q: How do I install it?
A: Lay the fabric into wet base coat or mastic, then apply the top coat so the fabric is fully encapsulated, per the coating manufacturer’s instructions.

Q: Is it compatible with my coating?
A: Confirm with the coating manufacturer that polyester reinforcement is approved for the system you are using.

Expert Verdict Reviewed by the SuperArbor Pro Desk

Keep a 6 in. roll on the truck for detail work: reinforcing mastic at flashings, pitch pockets and curb corners where coatings concentrate stress. Press the fabric fully into the wet material with no bridging or dry spots. Match fabric width to the detail; larger field patches are faster with the wider 483 rolls.

Follow roof safety practices and coating manufacturer safety guidance when installing reinforcing fabric and coatings.

Order the TRI-BUILT 6 in. x 300 ft 483 Polyester Reinforcing Fabric for flashing and detail reinforcement.