Thoroseal | 581| Waterproof Coating

COMPLETE MANUFACTURER'S PRODUCT DATA SHEET .PDF https://usa.sika.com/dam/dms/us01/n/sika-thoroseal-581.pdf

DESCRIPTION
Thoroseal 581 is a Portland cement-based coating for concrete and masonry that resists both air infiltration and positive as well as and negative hydrostatic pressure. Polymer-modified with Acryl 60, Thoroseal has been the industry standard for decades due to its low maintenance and highly durable waterproof barrier properties.

PRODUCT HIGHLIGHTS
• Waterproof to help protect building interiors
from dampness and moisture damage
• Air barrier reduces air infiltration
• Resistant to both positive and negative
hydrostatic pressure, making MasterSeal
581 suitable for use below grade interior and
exterior and in water treatment construction
• Breathable, allowing interior moisture to
escape without damaging coating
• Compatible with high-performance coatings,
including a wide range of architectural coatings
and textured finishes
• Hides minor surface defects and blemishes in
architectural concrete
• Available in ten landscape colors and custom
colors (with minimum order quantities)
• Certified to the NSF/ANSI Standard 61 for
potable water contact
APPLICATIONS
• General
° Vertical and light-pedestrian horizontal
surfaces
° Interior and exterior
° Above and below grade
° Alternative to mechanical finishing or
rubbing of concrete
° Waterproofing basement and retaining walls
° Foundations
° Bridges and tunnels (non- traffic
barring surface)
° Water cisterns
° Flashing of rough opening concrete or
masonry openings
• Refer to Specific Application section for
installations such as Stucco, Below grade,
water tanks, etc.
SUBSTRATES
• Cast-in-place and precast concrete
• Block, brick and porous stone