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Chemtech International Inc. is an exclusive distributor of UltraTech International Inc., the industry-leading manufacturer of stormwater management and erosion control products. All UltraTech International Inc. products are designed to meet the New Stormwater Management Regulations of the EPA’s Clean Water Act, to help businesses maximize operational efficiency while protecting the environment.

What is stormwater?

Stormwater is rainwater or melted snow that runs off streets, lawns, and other sites, which is typically absorbed into the ground and ultimately flows into streams and rivers. Impervious surfaces such as pavement and roofs, however, prevent stormwater to naturally soak into the ground. The water instead runs rapidly into storm drains, sewer systems, and drainage ditches, which can cause a wide range of problems, including downstream flooding, stream bank erosion, sewer overflows, infrastructure damage, contaminated streams, rivers and coastal water.

Stormwater Management Products

UltraTech International Inc. offers a comprehensive line of stormwater management products to effectively prevent various types of pollutants and contaminants, including hydrocarbons, dirt and sediment, from entering waterstorm systems, storm drains, catch basins and curb inlets.

Cost-Efficient Solutions

Advanced erosion control products from UltraTech International Inc. are cost-efficient solutions to prevent erosion and minimize sediment runoff found in stormwater. All UltraTech International Inc. dewatering bags, silt dike barrier systems, and gravel bags are designed to effectively capture trapped sediment and oil and to prevent erosion and infrastructure damage.
ADA-pads Ultra ADA Pads

Ultra-ADA-Pads: Urethane & Composite Pads

Ultra-ADA Pads are designed for the visually impaired to feel the raised, truncated domes with their feet. This, in combination with the tapping cane, can alert them to a different surface than the surrounding concrete sidewalk and an upcoming intersection.

  • Flexible Pads For Slopes And Curves
  • Low Cost Composite Pads
  • Surface Mount & Cast-In-Place Models

Low Cost Composite Pads Help Meet ADA Compliance

Simple Installation Process:

ADA-pad-installation Ultra ADA Pads
ADA-pad-man-walking Ultra ADA Pads
  • Ultra-ADA Pads are designed for the visually impaired to feel the raised, truncated domes with their feet. This, in combination with the tapping cane, can alert them to a different surface than the surrounding concrete sidewalk and an upcoming intersection.
  • Two layers of gel coat provide for maximum UV resistance and color fastness.
  • Continuous fibers that run throughout the Pad (including inside of the domes) make Ultra-ADA Pads the strongest and most durable pad on the market.
  • Installs quickly and easily.
  • Available in wet-set, cast-in-place only.

Detectable Warning System Aids The Visually Impaired

ada-4-flex-pads Ultra ADA Pads
  • Available in four (4) sizes: 2’ x 2’, 2’ x 3’, 2’ x 4’ and 2’ x 5’.
  • Flexible construction conforms to fit dips, slopes and inclines in sidewalks and walkways.
  • Ultra-ADA Pads are designed for the visually impaired to feel the raised, truncated domes with their feet. This, in combination with the tapping cane, can alert them to a different surface than the  surrounding concrete sidewalk and an upcoming intersection.
  • Installs quickly and easily using adhesive and anchors (included).
  • Better slip resistance than composites.
  • Better impact resistance than composites.
  • Complies with the Americans with Disabilities Act (ADA), 49 CFR 37.9.
    Provide tactile warning surfaces which comply with the detectable warnings on walking surfaces section of the Americans with  Disabilities Act.
    Title 49 CFR Transportation, Part 37.9 Standards for Accessible Transportation Facilities, Appendix A, Section 4.29.2 Detectable Warnings on Walking Surfaces.
Ultra-ADA Pads, Urethane
Surface Mount (Retrofit)
Size ft. (mm) Yellow Brick Red Safety Red Black
2 x 2 (610 x 610) Part# 0750 Part# 0760 Part# 0765 Part# 0756
2 x 3 (610 x 914) Part# 0753 Part# 0763 Part# 0766 Part# 0759
2 x 4 (610 x 1,219) Part# 0751 Part# 0761 Part# 0767 Part# 0757
2 x 5 (610 x 1,524) Part# 0752 Part# 0762 Part# 0768 Part# 0758
ada-walkway-1 Ultra ADA Pads
ada-walkway-2 Ultra ADA Pads

ADA Accessibility Guidelines for Buildings and Facilities (ADAAG)


  • Detectable warnings are required at any intersection or “hazardous vehicular area”. These areas are defined as follows:
    • a walk that crosses or adjoins a vehicular way and,
    • with walking surfaces not separated by curbs, railings, or other elements between the pedestrian areas and vehicular areas.
  • Detectable warnings are also required at the edges of reflecting pools if not
    protected by railings, walls or curbs.
  • Future requirements will include hazardous areas and stairways.


  • Any property owner or municipality that has an area as described above. Sidewalks, crosswalks and other walking surfaces that were installed before July 26, 2001 are not subject to the requirements.


  • Detectable warnings that are installed must meet the following requirements.
  • They shall consist of raised truncated domes with a diameter of nominal 0.9 in (23 mm), a height of nominal 0.2 in (5 mm) and a center-to-center spacing of nominal 2.35 in (60 mm).
  • They shall contrast visually with adjoining surfaces, either light-on-dark, or dark-on-light. The material used to provide contrast should contrast by at least 70%.*
  • The material used to provide contrast shall be an integral part of the walking surface.
  • Detectable warnings used on interior surfaces shall differ from adjoining walking surfaces in resiliency or sound-on-cane contact.

*Contrast in percent is determined by: Contrast = [(B1 – B2)/B1] x 100 where B1 = light reflectance value (LRV) of the lighter area and B2 = light reflectance value (LRV) of the darker area. Note that in any application both white and black are never absolute; thus, B1 never equals 100 and B2 is always greater than 0.

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