Wondertex Filler 12.5kg Bag

The Wondertex Filler is a plaster-based, fast-setting joint filler compound designed for bedding and filling plasterboard joints, tapes, external metal angles, and corner beads — delivering a super-fine, smooth finish that's ready to sand in under 90 minutes.

Simply mix with water and apply by hand for a crack-free, professional result on every drylining job.

Key Features:

• Weight: 12.5kg bag
• Working time: 60–90 minutes
• Coverage: Approx. 100 linear metres per bag
• Mix ratio: 1 part water to 2 parts powder (6 litres water per bag)
• Finish: Super-fine for a smooth, sandable surface
• Setting: Fast-setting — allows early sanding
• Shrinkage: Minimal — no cracking or gaps
• Application: Hand application only
• Certifications: BS EN ISO 9001, ISO 14001, OHSAS 18001
• Shelf life: 6 months in original unopened bag stored between 5°C–30°C

Suitable for: Bedding and filling plasterboard joints, tapes, corner tapes, external metal angles, and general drylining repairs in acoustic wall and ceiling builds, new build, and refurbishment projects.