Low Profile Shower Pan Extension
Returns on all eligible orders
All sale items are final sale once open
Need a Bigger Shower?
Extend It Seamlessly — Keep the Perfect Slope.
When you need to make your shower a little larger, don’t start from scratch — extend it.
The HYDRO-BLOK 12″ × 72″ Shower Pan Extension (HBLPSPE1272) lets you expand your shower floor while maintaining the same flawless slope and waterproof integrity as your original pan.
The Smart Way to Customize Your Shower
Engineered with the same high-quality, 100% waterproof XPS foam core, fiberglass mesh reinforcement, and modified cement coating, this extension delivers a smooth transition and lasting performance — no weak spots, no leaks, no callbacks.
Why Contractors Love It
Perfect Fit – Extends your shower floor without changing height or slope.
Seamless Integration – Bonds easily to any HYDRO-BLOK Single Slope or Low Profile pan.
Same Proven Quality – Built with the same materials and dependability as our full Hydro-Blok system.
Ideal For:
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Custom-sized showers
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Larger walk-in or curbless designs
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Remodels needing extended floor coverage
Available Sizes
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Presloped 12" x 72" LOW-PROFILE Pan Extension - $318.61
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Presloped 24" x 48" LOW-PROFILE Pan Extension - $424.81
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Presloped 36" x 36" LOW-PROFILE Corner Pan Extension - $562.24
Next Day Pickup
Next Day Pickup
Need your Hydro-Blok products fast? With ATS Supply’s Next Day Pickup, you can place your order today and pick it up at our warehouse tomorrow—ready when you are.
✅ Order Cut-Off: Orders must be placed by 1:00 PM on a business day to qualify for next-day pickup.
✅ Pickup Time: Orders will be ready after 1:00 PM the following business day.
✅ Order Confirmation: Once your order is processed, you’ll receive a notification to schedule your dedicated pickup time.
✅ Identification: At pickup, you must present valid photo ID and proof of purchase. If someone else is collecting on your behalf, please inform us when scheduling your pickup appointment.
✅ Uncollected Orders: Orders not collected within 7 days will be returned to our distribution center. A 10% restocking fee will be deducted from your refund.
Simply choose Store Pickup at checkout, and we’ll have your Hydro-Blok system, tools, or accessories ready on time. It’s the fastest way to get your materials and keep your project moving.