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GoBoard 2-IN-1 Inside Outside Corners, 2-Pack, Front Side
GoBoard 2-IN-1 Inside Outside Corners, 2-Pack, Back Side
GoBoard 2-IN-1 Inside Outside Corners, 2-Pack, Front Side
GoBoard 2-IN-1 Inside Outside Corners, 2-Pack, Back Side

GoBoard Corner (2-Pack)

Pre-Formed Waterproofing Corners for 90° Transitions

$16.82 - $16.82
$16.82
$16.82 - $16.82
$16.82
GoBoard  |  MPN: 70008441  |  UPC: 031979220601
Free Shipping Eligible
Availability:
23 in stock!

Corner Specifications

  • Corner Type: Pre-formed inside and outside waterproofing corners
  • Corner Dimensions: 3.2 in × 5.5 in × 2.4 in
  • Thickness: 0.024 in (0.6 mm)
  • Material: Polypropylene non-woven fabric with waterproof membrane
  • Thin-Set Compatibility: Modified and unmodified thin-set mortars
  • Pack Quantity: 2 corners per pack

The GoBoard® Corner is a pre-formed waterproofing accessory for sealing 90° inside and outside corner transitions in showers, steam rooms, and other wet-area installations. It installs with modified or unmodified thin-set mortar and helps maintain continuous waterproofing at change-of-plane areas.

Key Features
  • Pre-Formed Design: Eliminates folding and cutting waterproofing membrane.
  • 90° Corner Sealing: Seals inside and outside corner transitions.
  • Thin-Set Compatible: Works with modified and unmodified thin-set mortars.
  • Waterproof Construction: Polypropylene fabric with an integrated waterproof membrane.
  • Wet-Area Use: Suitable for showers, steam rooms, and wet-area assemblies.
  • ANSI A118.10 Compliant: Meets waterproofing requirements for tile installations.
Best For
  • Shower waterproofing systems
  • Steam room waterproofing systems
  • Inside corner waterproofing
  • Outside corner waterproofing
  • Wet-area tile installations

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
  • Same-day shipping before 2 PM CST (Mon–Sat) for in-stock items
  • Eligible for our Contractor Pricing Program
  • Authorized GoBoard Dealer
GoBoard Corner (2-Pack) $16.82

Description

The GoBoard® Corner is a pre-formed waterproofing accessory designed to seal 90° inside and outside corner transitions in showers, steam rooms, and wet-area tile installations. It is constructed from polypropylene non-woven fabric with an integrated waterproof membrane.

The corners install with modified or unmodified thin-set mortar and are designed for use with GoBoard® waterproofing systems. Each pack includes two pre-formed corners for sealing change-of-plane transitions.

Specifications

Specification Details
Quantity 2 Per Pack
Size 3.2" x 5.5" x 2.4"
Thickness 0.024" (0.6 mm)
Material Polypropylene Non-Woven Fabric with Waterproof Membrane
Thin-Set Compatibility Modified and Unmodified Thin-Set Mortars
Compliance ANSI A118.10, ASTM E96, ASTM C627 Extra Heavy

Frequently Asked Questions

What is the GoBoard Corner used for?
The GoBoard Corner is used to seal 90° inside and outside corner transitions in showers, steam rooms, and wet-area tile installations.
What mortar is compatible with GoBoard Corners?
The GoBoard Corner can be installed with modified or unmodified thin-set mortar.
How many corners are included per pack?
Each GoBoard Corner package contains two pre-formed waterproofing corners.
Does the GoBoard Corner meet ANSI A118.10?
Yes. The GoBoard Corner meets ANSI A118.10 waterproofing requirements for tile installations.
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