Floor Tiling to Anhydrite Screeds Using Pro Gyp-Base Fast Track Sealer

Step by Step Guide to Floor Tiling to Anhydrite Screeds

Before you start

• Ensure the screed has been allowed to dry for 7 days and that it has achieved a Relative Humidity of not greater than 95%
• Remove all traces of laitance and dust by lightly sanding the surface

Step 1

• Mix parts 1A and 1B together until a smooth, lump-free consistency is achieved
• Apply to the screed using a roller or brush and allow to dry for 2 hours

Step 2

• Mix parts 2A and 2B together until a smooth, lump-free consistency is achieved
• Apply to the screed using a roller or brush at a 90^o angle to the first coat, and allow to dry for 24 hours

Step 3

• Pour the moisture suppressant into a suitable tray and apply the first coat using a roller or brush
• Allow to dry for 1 hour
• Apply a second coat of moisture suppressant using a roller or brush at a 90^o angle to the first coat
• Allow to dry for 1 hour

Step 4

• Apply one coat of gritted primer and allow to dry for 1 hour

Step 5

• If required, apply Pro Gyp-Base Levelling Compound before tiling commences
• Prepare and mix Norcros Pro Gyp-Base adhesive and apply to the screed