Weproof WU Concrete Joint Sealing System (with abP)
The Weproof WU concrete joint sealing system is a high-quality, fleece-reinforced and permanently highly flexible sealing system for the secure sealing of construction joints, predetermined crack joints and expansion joints in water-impermeable concrete components (WU concrete). Its functionality has been tested by building authorities and confirmed by a general building authority test certificate (abP).
Application Areas:The Weproof WU concrete joint sealing system is used as a durable, highly flexible sealant for construction joints, predetermined crack joints and expansion joints in water-impermeable concrete structures. It is mainly used for waterproof concrete ceilings.
Attributes Description
- Strip-shaped sealing on the component side facing the water
- easy and fast application for new construction and renovation
- flexible at low temperatures
- permanently weather resistant (temperature, UV, hydrolysis resistant)
- resistant to most common acids and alkalis
- solvent-free
- tested by building authorities for expansion joints up to nominal joint width 30 mm, resulting deformation 20 mm and water pressure up to 0.3 bar
Products & Documents

Wecryl 176
Primer for absorbent substrates

Wecryl 176 K
Scratch-coat primer for absorbent mineral substrates

Weproof 264 /-thix
Waterproofing flex layer

Wecryl 810
Surfacer

WeFleece (perforated)
Synthetic-fibre fleece for waterproofing resins

WeFleece
Special synthetic fiber fleece for waterproofing resins

WeFleece sections
Synthetic-fibre fleece for waterproofing resins

WestWood® Chips
Chips, decorative topping

WestWood® stair edge protection

Wekat 900 catalyst
Catalyst for WestWood® PMMA resins

Wekat 902 Liquid catalyst
Liquid catalyst for spray technology

Weseal 815
Fiber filler

WestWood® Cleaning Agent

WestWood® 910
Anti-flow additive, powder
Operation Areas






