Specification

ManualsBrandsGCP Applied Technologies ManualsBuilding materialsTri-Flex XT 48 in. x 250 ft. Black Synthetic Roll Roofing Underlayment

Synthetic Performance Alternative to #15 Felt

PRODUCT DATA SHEET

TRI-FLEX® 15 synthetic underlayment exceeds the requirements of ASTM D226 type I and II and

oers the beneﬁts of a synthetic to traditional #15 felt users. Its higher coverage per roll means it goes

down quickly. Because it is 10x stronger than #15 felt, costly blow os are prevented. The product is

mechanically fastened, and may be used in conjunction with GCP self adhered underlayments, or alone.

It is totally recyclable, and contains post industrial recycled polymers, so it contributes to sustainabiliy

and LEED.

TRI-FLEX® 15 underlayment acts as a secondary watershedding material below mechanically attached

roof coverings. The product may be exposed for up to 60 days, and may be used with asphalt shingles

and most other roof coverings.

Product Description

Tri-Flex® 15 underlayment is an engineered woven fabric, coated

on both sides with polypropylene. The proprietary resin

formula used in the walk and deckside surfaces create a slip

resistant surface.

Tri-Flex® 15 underlayment is available in 10 sq rolls (48 in. wide

x 250  long).

Features & Beneﬁts

Major beneﬁts of Tri-Flex® 15 underlayment vs #15 felt include:

Stronger - Its 10x stronger and prevents blow os and tears in

windy conditions

Higher Coverage per Roll - A 10 sq roll is 67% lighter than #15

felt, and covers 2.3 times the area

Fewer Laps and Fasteners - 30% more coverage per side lap

than felt

Sustainable - Tri-Flex® 15 underlayment is 100% recyclable,

and contains post industrial recycled materials, and contributes to

sustainability and LEED

Excellent temporary dry in - May be exposed for up to 60 days

Versatile - Suitable for use under asphalt shingles and most other

major roof coverings

Custom Logo Available - The product can printed with a

customer logo. Minimum order amounts apply. Please contact the

GCP sales representative for details.

Local technical support - Tri-Flex® 15 underlayment is backed

by a team of local technical support personnel that help ensure

every application goes smoothly.

Product Advantages

• Improved Slip Resistant Coating

• Lighter and covers more area

• Stronger and more durable

• Facilitates faster and easier installation

• Suitable for use under all major roof coverings

• Custom Logo Printing Available

• 25 Year Warranty

Now 60 days

Exposure

Summary of content (4 pages)

PAGE 1
P R O D U C T D ATA S H E E T Now 60 days Exposure Synthetic Performance Alternative to #15 Felt TRI-FLEX® 15 synthetic underlayment exceeds the requirements of ASTM D226 type I and II and offers the benefits of a synthetic to traditional #15 felt users. Its higher coverage per roll means it goes down quickly. Because it is 10x stronger than #15 felt, costly blow offs are prevented. The product is mechanically fastened, and may be used in conjunction with GCP self adhered underlayments, or alone.
PAGE 2
9. Prior to loading roofing materials on Tri-Flex® 15 underlayment it is recommended that roof jacks, toe-boards or a storage platform be secured to the underlying roof deck to prevent slippage of stored materials on steep sloped roofs. See OSHA Regulations (Standards – 29 CFR), Fall Protection Systems Criteria and Practices – 1926.502. Installation Guidelines 1. The roof deck must be swept clean and be smooth and dry before installation begins. 2.
PAGE 3
• Do not use uncapped staples! • Do not install fasteners through the product over unsupported areas of the structural deck, such as over the joints between adjacent structural panels. • Do not stretch Do not use uncapped staples! underlayment during installation. The product should be pulled taut, but should not be stretched. Product Data Roll length Roll width Roll size Roll weight Rolls per pallet 10 sq Roll 250 ft (76.2 m) 48 in (1.05 m) 1,000 ft2 (92.9 m2) 20 lbs (9.
PAGE 4
gcpat.com | Customer Service: 1-866-333-3726 We hope the information here will be helpful. It is based on data and knowledge considered to be true and accurate, and is offered for consideration, investigation and verification by the user, but we do not warrant the results to be obtained. Please read all statements, recommendations, and suggestions in conjunction with our conditions of sale, which apply to all goods supplied by us.