SKU: 67737735088

MAPEI UltraFlex 1 50-lb White Powder Thinset Mortar

Sale price$53.46 Regular price$59.40
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

MAPEI UltraFlex 1 50-lb White Powder Thinset MortarUltraFlex 1 White Thinset Mortar, 50 lb Standard grade, polymer modified thin set mortar for installing ceramic and stone tile. Suitable for most residential walls and floors, and interior commercial applications; meets ANSI A118. 4E and A118. 11 when mixed with water. Key Features: Polymer Modified Performance: Above average dry polymer content for strong adhesion to tile and substrate Versatile Application: For interior exterior residential walls

UltraFlex 1 White Thinset Mortar, 50 lb

Standard-grade, polymer-modified thin-set mortar for installing ceramic and stone tile. Suitable for most residential walls and floors, and interior commercial applications; meets ANSI A118.4E and A118.11 when mixed with water.


Key Features:

  • Polymer-Modified Performance: Above-average dry polymer content for strong adhesion to tile and substrate
  • Versatile Application: For interior/exterior residential walls and floors; interior/exterior floors in commercial settings
  • Standards Compliance: Meets/exceeds ANSI A118.4E and A118.11 when mixed with water
  • User-Friendly Mix: Single-component powder; just add water
  • Tile Compatibility: Designed for ceramic and stone installations

Please check the Product Data Sheet Here


Specifications Table:

Specification Details
Product name Ultraflex 1
Type Standard-grade, polymer-modified thin-set mortar
Composition Single-component powder; mix with water
Standards Meets or exceeds ANSI A118.4E and ANSI A118.11 when mixed with water
Application areas Most residential interior/exterior walls and floors; commercial interior walls and floors and exterior floors
Color variant shown in images Gray (also available in White per product title)
Package weight 50 lb (22.7 kg)

Frequently Asked Questions (FAQ):

Q: Can I use UltraFlex 1 over plywood?
A: Yes. When mixed with water, it meets ANSI A118.11 for use over exterior-grade plywood in interior dry areas.


Q: Is this mortar suitable for exterior installations?
A: Yes, it can be used for most exterior residential and commercial floor applications; follow MAPEI substrate and weather guidelines.


Q: Do I need to add latex or admixes?
A: No. UltraFlex 1 is polymer-modified and is a single-component powder that is mixed with water only.


Q: What types of tile can it set?
A: It is intended for ceramic and stone tile installations; check product data for specific limitations.


Q: What is the bag weight?
A: 50 lb (22.7 kg).


A Reliable Foundation for Flawless Tilework

UltraFlex 1 brings a confident, clean application that lets your tile take center stage. Its polymer-rich formula ensures a steadfast bond, keeping lines crisp and surfaces true. Pair it with warm terra-cotta or cool stone for a tailored, timeless look. It’s the quiet essential that elevates everyday spaces into refined, long-lasting luxury.


Choose UltraFlex 1 for dependable adhesion and start your tile project with confidence.

Installation

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 67737735088

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Cologne_kay
Whiting, US
★★★★★ 4
Very hard to take off when it’s set, but great product.
Color: Black
I like it, thanks..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 19, 2026
B
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Brandy
Grantham, US
★★★★★ 1
Not a good buy
Straight up, this thing is horrible. Doesn’t hold on to anything; especially if you add your phone, it just drops, damaging your screen. Don’t buy. Had no grip whatsoever or adjustability.
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Reviewed in the United States on May 21, 2026
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Vellyvel
Fort Morgan, US
★★★★★ 5
Unbeatable
Color: Black
THis is so worth it! Excellent suction, grip and fuctionalty. Great price!
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Reviewed in the United States on April 5, 2026
G
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gmarlin
Omaha, US
★★★★★ 3
Looked good
Color: Black
It was a gift, so I don't have anything to say about it.
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Reviewed in the United States on February 24, 2026
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lisa
Bozeman, US
★★★★★ 5
Love it
Color: Black
The best magnetic phone holder
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Reviewed in the United States on March 30, 2026

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