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Frequently Asked Questions

How long should I wait before applying floor finishes?

Typically 28 days for full cure, but moisture testing is essential. Different finishes have different requirements - always test moisture content before installation.

Can I screed over underfloor heating?

Yes, but special considerations apply including minimum thickness (65mm for pipes), controlled commissioning, and appropriate mix design. See our UFH section for detailed guidance.

What causes screed to crack?

Common causes include rapid drying, poor mix design, inadequate curing, thermal stress, and insufficient movement joints. Proper technique prevents most cracking issues.

How thick should my screed be?

Depends on the type: bonded (25-40mm), unbonded (50-65mm), floating (65-75mm). UFH systems require minimum 65mm over pipes. Local load requirements may increase thickness.

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