wedi Sealant 620

Product information

wedi 620 is a flexible sealant offering vapor-tight performance. It is used with a wedi sealing tape to create strong connections in wedi Subliner Dry Sheet waterproofing and Vapor 85 assemblies.

It is used for wedi Vapor 85 steam shower installations. They are installed using the wedi 620 Sealant between assembly components. Used to waterproof and affix wedi sealing tape over seams and fastener points. For use with all wedi Subliner Dry products (includes wedi inside/outside corner sealing tape, wedi waterproof sealing tape, wedi Vapor 85 patch kit for fastener locations, and wedi Subliner Dry mats for seams and overlaps.

**Note: Thinset mortar is also used in the installation of wedi Subliner Dry. See installation instructions for more information.

wedi Sealant 620 is indispensable in combination with wedi Vapor 85 and wedi Subliner Dry. wedi 620, unlike wedi joint sealant, is not a standalone construction adhesive. Where wedi 620 is used to adhere, connect and seal assembly parts, it needs to be used in combination with wedi Subliner Dry sealing tape reinforcing all seams and joints.

wedi Subliner Dry Installation

wedi How to build a steam room

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Installation Manual, Requirements/Limitations and Warranty
Product Approvals & Certification

Approvals and certificates applicable to entire Fundo Shower System incl. wedi Building Panel:

City of New York, MEA 912-52-SM

Fundo Shower Systems & Building Panels: ICC PMG 1189 (for USA & Canada) – Download Here

Meets all applicable ANSI/ISO Standards incl. ANSI 118.10 and IAPMO PS106

TCNA handbook recognized for wall, floor, countertop, & more applications

City of Los Angeles Approval M-100017

BBA (British Board of Agrement)

DIN EN ISO 9001

CE Marked

Diverse State Approvals

SAI Global Watermark Certified (Australia & New Zealand)

Codemark Certified (Australia & New Zealand)

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Technical Data

Basic Material
Silyl Modified Polymer (SMP)
Color
Grey or Anthracite
Hardening System
Through air humidity
Density
ca. 1.45 g/ml
Solvent Content
0%
Isocyanate Content
0%
Drying Agent Content
approx. 100%
Elongation at break
approx. 250%
Skin formation
After approx. 15 minutes
Through-hardening (+73F / 50% RH)
approx. 3 mm per 24 hours
Permissible total movement
approx. 20%
Processing temperature
do not use below +41F
Temperature resistance
-104F + 212F up to 365F for short time (max 30 minutes)
Frost stability
not frost sensitive
Water Vapor Transmission
ASTM E96-2016, Permeance/Perms 0.03 and WVT (grains/h x ft sq) 0.05

Product Sizes

For product retail pricing, please see our Illustrated Retail Price List (USA or CA), available in the downloads section below.

wedi Sealant 620
Usage Amount
Contents
Unit
Item Number
Cartridge
1.5 linear feet of 2 in. overlap; or flashing up wall per ounce
10.5 oz. (310 ml)
1 Cartridge
US5000088
Sausage
1.5 linear feet of 2 in. overlap; or flashing up wall per ounce
20 oz. (600 ml)
1 Sausage
US5000083
Sausage Gun
1 pc
US5000019
Sausage Gun Replacement Tip
10 pcs/box
US5000020

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