DAP DYNAFLEX Gutter and Narrow Seam Advanced Esltomeric Waterproof Sealant

DAP DYNAFLEX Gutter and Narrow Seam Sealant is a high-performance, single-component elastomeric sealant that effectively forms a durable, watertight seal for small joints and narrow seams, in gutter and flashing applications. It is designed to withstand extreme weather and temperature fluctuations without cracking or losing adhesion. Versatile in application, it adheres well to various surfaces, including common gutter, flashing, and roofing materials. Formulated for use in challenging conditions such as cold or high temperatures, wet surfaces, and standing water. Rain ready within 30 minutes without washing out, it is 100% waterproof, weatherproof and UV resistant. For exterior use, product will not harden, yellow, shrink or breakdown over time. It offers excellent workability and improved productivity with an easy-to-apply formula, smooth tooling, low odor, and quick rain readiness.

Key Features

Waterproof
Rain

DETAILS + SPECIFICATIONS

Details
Sizes & Colors

sizes

4.5 FL OZ

10.1 FL OZ
Colors Available in this size

WHITE

WHITE
Features & Benefits

100% waterproof & weatherproof

30 minute rain ready

UV resistant

Wet, damp or dry surface application

Specifications

SKU	Code	Unit Size	Color	Dimensions (in.)	Weight	Case Pack	Cases/Pallet
7079818398	18398	10.1 FL OZ	WHITE	8.13x6.25x13	13.97 lbs.	12	108	Discontinued
7079818399	18399	4.5 FL OZ	WHITE	6.38x5x9.75	3.03 lbs.	6	232

RESOURCES + FAQs

Technical Data

Data Sheets

SDS	Material Safety Data Sheet #1013601	EN ES
SDS	Material Safety Data Sheet #1060101	EN ES
TDS	Technical Data Sheet	EN ES

How To's/Tips

For Most Effective Application

Apply when surface temperature is between 20°F and 120°F. For exterior use only.

Proper Surface Preparation

Surface should be clean and free of old sealant, dirt and other contamination.

Measure Gap Depth

Gap depth should be no larger than 1/2" deep for optimal adhesion.

For Best Results

Gutter runs should not exceed 50 feet, to limit the effects of thermal expansion due to temperature changes. Not recommended for continuous underwater use, high temperature surfaces or for surface defects. Store below 80°F in a dry place.
FAQs

How does it provide easier workability?

Dynaflex Gutter & Narrow Seam Sealant is much easier to gun out than competitive solvent sealants, is less stringy, has low odor versus strong solvent-like odors, and comes in easier-to-use packaging that won’t get damaged by rain or transit.

How does it improve productivity?

Dynaflex Gutter & Narrow Seam Sealant saves time because it can be applied in adverse weather conditions, so there's no need to wait for a break in the weather to apply. It’s rain ready and paint ready in just 30 minutes. It also fully cures in 24 hours vs 7-14 days like some other sealants, allowing the product to reach its maximum performance faster.

Is it mold and mildew resistant?

Yes, when fully cured, the product is mold and mildew resistant.

Is Dynaflex Gutter & Narrow Seam Sealant non-sagging?

Yes, Dynaflex Gutter & Narrow Seam Sealant is ideal for both horizontal and vertical applications. It has just the right balance of non-sag and semi-self-leveling characteristics so that it won’t sag in a vertical joint, yet fills narrow horizontal seams without having to tool.

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