Tactical Urbanist's Guide to Materials and Design v.1.0

Page 55

PIGMENT POLYMER CEMENT

STREET BOND PAVEMENT COATING Typical Dimensions: Sold in 5 gallon bucket that includes 3 key components that are mixed to create the coating: 1 unit of coloring element (pint), 1 unit of SB 150 (3 1/2 gallons), and 1 unit of actifier (quart).

Typical Dimensions: Varies: 4.5 in x 7 in. jars - 5 gallons bucket. Estimated Cost: Approximately $3 / sq. ft. Overview: Versatile, durable, colorful pigmented cement, also referred to as “Endurablend.”

Estimated Cost: $1.20 / sq. ft. (Note that multiple coats may be needed). Overview: Pavement coating appropriate for interim design uses. Demo (1 day - 1 month)

Pilot (1 month - 1 year)

F Interim (1 - 5 years)

Recommended Applications and Installation ɖCurb ɖ Extensions / Plazas: Create colored surfaces to enliven the public space and clearly differentiate pedestrian space from vehicular space. Work with local artists to develop unique designs. ɖRoundabouts ɖ / Activated Alleys: Colorful mural surface treatments add beauty and may help slow vehicular traffic. ɖPedestrian ɖ Crossings/Bikeways: Can be applied to enhance markings. Tips and Considerations »» Requires professional application. »» Polymer cement is an environmentally friendly and stable material, highly durable and thermally-compatible with asphalt, concrete, and cement surfaces. It can repair cracks, potholes and spalling on asphalt and concrete. »» Polymer cement will endure up to 15 years of power-washing maintenance without causing damage to the surface. Other applications for polymer cement include bridges, bicycle paths, and runway aprons. »» Applied like a commercial paint job. The powder is mixed on site and sprayed directly onto the roadbed surface by certified installers. This is a non-toxic material that does not emit an unpleasant odor when applied. »» High degree of flexibility in color and design, though installation cost will vary based on design complexity (stencil chosen, number of non-primary colors chosen, time required to install, etc.). Potential Sources »» Pavement surfacing retailers: www.pavementsurfacecoatings.com

Demo (1 day-1 month)

Pilot (1 month - 1 year)

F Interim (1 - 5 years)

Recommended Applications and Installation ɖPedestrian ɖ Crossings: Can be applied to enhance crosswalk markings. A traditional continental crosswalk should have stripes a min. of 12 in. wide, with 12 - 36 in. gaps between stripes. ɖCurb ɖ Extensions / Plazas: Colored surfaces will enliven the public space and clearly demarcate pedestrian space from vehicle space. ɖɖ Roundabouts / Activated Alleys: Colorful mural surface treatments add beauty and may help slow vehicular traffic. Tips and Considerations »» Requires professional application. »» Developed for use over imprinted or flat asphalt, StreetBond® SB150 Pavement Coating bonds permanently to asphalt surfaces to provide both an enduring, aesthetic finish and a low maintenance surface that helps protect and extend the life of the pavement. »» 5 gallon container includes 3 components which must be mixed together and then applied within 45 minutes of mixing. »» Durable, environmentally responsible, chemical resistant, and color stable »» Pedestrian plazas may require up to 3 coatings at a cost of roughly $200 $215 per 200 sq ft. (Approx. $1.20 / sq. ft.). Potential Sources »» Purchase from traffic control or construction equipment suppliers. MATERIALS PALETTE · Surface Treatments · 55


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