wedi Joint Sealant is a flexible sealant and construction adhesive that creates strong and waterproof connections between wedi assembly parts without additional tape reinforcement needed. It is used to join and waterproof between wedi products where they connect, and over the seams of these connections.
Additionally, wedi Joint Sealant is applied over fastener penetrations/points. wedi Joint Sealant is a single component Silyl Modified Polymer (SMP) for use in wedi product system installations as specified in installation manuals. The product is especially formulated for high green strength (high immediate internal strength), adhesion in wet and alkaline environments, and permanent flexibility. The product forms strong connections between wedi components and provides watertight seals on and in joints and seams, and allows for dissipation of stress caused by shock, vibration, or thermal movement.
wedi Joint Sealant Video
Installation Manual and Requirements/Limitations
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
Diverse State Approvals
SAI Global Watermark Certified (Australia & New Zealand)
Codemark Certified (Australia & New Zealand)
Technical Performance Data
For product retail pricing, please see our Illustrated Retail Price List (USA or CA), available in the downloads section below.