Product highlights
Install speed
Height control
Bed thickness
Mortar Bed Screed System (2 1/2" - 4 7/8")
Big floors, zero headaches. The Large Screedex® sets thick mortar beds with speed and accuracy, so commercial floors, rooftops, and pool decks are done right. Use with Small and Medium platforms for complete control and consistent results on every job.
Product highlights
Install speed
Height control
Bed thickness
Frequently Bought Together
Pairs well with
In stock — ships within 1–2 business days
Trusted by tile installers, remodelers, and DIYers nationwide
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Mortar Bed Screed System (2 1/2" - 4 7/8")
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Why Choose the Large Screedex® Mortar Bed Screed Platform?
✔ Designed for thick-bed mortar applications from 2 1/2" to 4 7/8"
✔ Ideal for commercial screeds and residential projects needing extra height
✔ Commonly used on commercial floors, patios, rooftops, pool decks, ramps, step-downs, and rebated concrete slabs
✔ Provides consistent slope-to-drain in perimeter zones and high points
✔ Ensures code-compliant slope-to-drain — set your height, float your mortar, and go
✔ Pairs with Screedex® Reinforcement Support for wire mesh elevation
✔ Combine with Screedex® Small and Medium platforms for full slope coverage
FAQs
Where is the Large (2 1/2" – 4 7/8") platform typically used?
This platform is built for thick-bed mortar applications — common in commercial floors, ramps, step-downs, rebated concrete slabs, patios, rooftop decks, pool surrounds, and landscaping projects.
It’s ideal for perimeter areas or any zone that requires extra height and a consistent, code-compliant slope-to-drain.
Can I use Screedex® with reinforcement wire or mesh in my mortar bed?
Yes — and it’s especially recommended for thick-bed mortar screeds. Pair your Screedex® platforms with the Screedex® Reinforcement Support to keep wire mesh properly suspended above the subfloor. This improves structural strength and helps prevent sagging — especially in commercial or high-traffic areas.