Can they be installed on top of the subfloor if you’re not concerned about a curb less application

Yes, technically they can be installed on top of the subfloor but the manufacturer states that this is not the recommended installation method for this product.

Can you make a 78" x48 “ shower foundation?

Yes. The easiest way is to get the 59 x 47-1/4 size and install a pitch extension on either end, then manipulate that by cutting it down to length.

I would like to order 47x59 base, however it says I need a commercial address? So it can't be used in a residential home?

Commercial address only refers to shipping. It has nothing to do with the product installation. For delivery purposes, this product must be delivered to a commercial location with a forklift or loading dock for liability reasons with our carrier. If you require residential delivery, that can be arranged as well. Please call our customer service team at 1800709-0002 should you need further assistance.

Can I get a ark shower base that will fitt where a left handed tub was.

Arc shower pans can be cut to fit with a standard carbide blade. Please contact us directly if you have any more questions.

Can they be custom made to fit certain atea

The Arc Trudek shower foundation can be cut to desired size and shape using common tools to fit almost any installation.

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Arc Tuff Form Classic Shower Foundations

Name: Arc Tuff Form Classic Shower Foundations
Brand: Arc Inc.
SKU: 5892-35-1/2 x 35-1/2
Price: 639.75 USD
Availability: InStock

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Brand: Arc Inc. | SKU: 5892-35-1/2 x 35-1/2 | MPN:

Shower Pan Options

35-1/2" x 35-1/2" Base 47-1/4" x 47-1/4" Base 51-1/4" x 32-1/4" Base 55-1/8" x 35-1/2" Base 59" x 47-1/4" Base 70-7/8" x 32-1/4" Base

Product variants

Shipping & Delivery

$13.95 Flat Rate shipping for orders under $500 (Other options at checkout)
Same-day shipping cut-off time for ground orders for CD stock items is 3:00 PM ET
Same-day shipping cut-off time for expedited orders for CD stock items is 12:00 PM ET
Shipping time is calculated by business days. Weekends do not count.
For Freight Items See Policy Here

Tuff Form Classic Shower Foundations

Tuff Form Classic foundations make it easy to build custom, stylish showers with your choice of tile or stone finishing materials. These pre-sloped tile shower bases can be installed and waterproofed in a day, depending on your project's complexity and framing needs, and ready for tile or stone the following day. Tuff Form Classic foundations offer the advantages of curb-less level-entry with built-in versatility to accommodate any decorative options a person can imagine.

Features

Designed to span 16″ on-center joist systems (spaced 14-1/2″ apart) with help from supplemental blocking to support all edges and the drain hole area
Precisely pre-sloped for swift, dependable drainage
At 7/8″ thick, it's easy to match with the surrounding subfloor assembly (when prepped for tile, stone, or vinyl) to create seamless transitions between the shower and the rest of the room
Cut to desired size or shape with common tools
Supports 560 lbs. when installed on 16" o.c. joist systems; up to 1,100 lbs. with additional support
Cover with tile, stone, or commercial-grade, weldable vinyl
Curb-free showers are safer, and the results are impressively good-looking
Pathway to the drain is continuously sloped and uninterrupted to avoid any possibility of a leak
7/8" thick at the edges
A flat perimeter makes leveling easy
Off-center drain (rotate the base to avoid an obstruction at the drain)
Install on 2× wood joists, truss joists, TJI joists, or concrete
It can only be used with Tuff Form Classic drains
Limited lifetime warranty
Made of recyclable materials
NOTE: TB5947-S (59" x 47-1/4") and TB5959-S (59" x 59") Shower Foundations must ship via LTL Freight. A commercial address is required for delivery
Fully compliant with codes IPC, UPC, IRC, and the NPCC, IAPMO PS 106-2015e1, Tile-able Shower Receptors and Shower Kits standard