Mastics

Tuff-Flash™ Plus LO

Long-Term Protection
Low-Odor Application
Versatile

Tuff-Flash™ Plus LO is a multi-purpose, two-part, asphaltic polyurethane-based, low-odor, liquid flashing membrane designed to create watertight flashing on tough roofing details that are difficult to seal with a typically modified membrane. Tuff Flash Plus LO combined with Grip Polyester™ Firm creates a watertight liquid flashing membrane that adheres to smooth or mineral-modified membranes and various metal surfaces.

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Product Specifications

Method	Description
Brush	Ensure that wet conditions do not exist. An infrared scan is highly recommended. Remove all wet insulation, dirt and debris from the existing roof to ensure proper adhesion. Perform an adhesion test on the surface to determine if the surface is an acceptable substrate for the Tuff-Flash Plus LO.
Trowel	Ensure that wet conditions do not exist. An infrared scan is highly recommended. Remove all wet insulation, dirt and debris from the existing roof to ensure proper adhesion. Perform an adhesion test on the surface to determine if the surface is an acceptable substrate for the Tuff-Flash Plus LO.

Physical Property	Value
Tensile Strength	650 psi
Tear Strength	115 lb/in.
Elongation	325%

Eco-Fact	Value
VOC	0 g/l

Type	Link
Data Sheets	Tuff-Flash Plus LO Technical Data Sheet
SDS	Tuff-Flash Plus LO Safety Data Sheet
SDS	Tuff-Flash Plus LO GHS Safety Data Sheet
Details	Tuff Flash Plus LO AngleIron
	Tuff-Flash Plus LO I-Beam Scrim Detail
	Tuff-Flash Plus LO Iron Scrim Detail
	Tuff-Flash Plus LO Pipe Penetration Detail
	Tuff-Flash Plus LO Pipe Scrim Detail
Specifications	Tuff-Flash Plus LO IBeam Specification
Specifications	Tuff-Flash Plus LO AngleIron Specification

Features

Long-Term Protection

Tuff-Flash Plus LO polyurethane chemistry undergoes a chemical curing reaction that builds strength over time, unlike other solvent-based rubberized coatings that form films as the solvent flashes off. With this superior chemistry, the material can outperform and outlast similar coatings.

Versatile

Tuff-Flash Plus LO is a versatile liquid flashing mastic that can seal even tough flashing details where a modified membrane or pitch pocket would have trouble sealing. It can be used on SBS, APP, smooth or mineral-surfaced asphalt roofs, and many types of metal substrates (with proper surface preparation). Tuff-Flash Plus LO can be applied with a brush or trowel, making it easy for in-house maintenance teams.

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Mastics

Tuff-Flash™ Plus LO

Product Specifications

Technical Data

Application

Physical Properties

Sustainability

Documents

Features

Long-Term Protection

Low-Odor Application

Versatile

Related Products

FlexBase® 80

Flashing Bond®

HPR® Torch-Applied Base Sheet

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