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BonarBuilt by Low & Bonar
1301 Sandhill Road
PO Box 1057
Enka, NC 28728

Tel : 800.365.7391
Fax: 828-665-5009
Contact: Sales

Bart Austin, President

Colbond, Inc., Enka, NC, is the U.S. manufacturer of Enkadrain®, Enkamat® and Enkasonic®, three dimensional entangled mats used in building, engineering, and many diverse industrial applications. These high-performance products have been trusted for over 30 years by architects and contractors. Building applications categories include foundation drainage, building envelope, green roof drainage, metal roof (above sheathing) ventilation, radon control and sound control. Additionally, Colbond produces Colback® non-woven textiles, used as a waterproof membrane reinforcement layer in roofing.

Product Categories:
02600 Drainage Systems + Containment
02830 Retaining Walls
07050 Thermal + Moisture Protection/Covering
07100 Damp proofing + Waterproofing
07200 Thermal Insulation + Protection
07260 Vapor, Moisture + Air Barriers
07500 Membrane Roofing, Decking + Built-up



Showrooms / Distributors:
To reach a COLBOND representative in your area.
Contact Us.

Green Green Products
Enkadrain – Durable, protects waterproofing, continuous flow even under high loads, recycled polymers.
Enkamat – Drainage and ventilation under metal roofs, root reinforcement on green roof.
EnkaRetain&Drain – For green roofs, super absorbent retention layer plus drainage, recycled polymers
Enkadrain/W – Thin drainage mat of recycled polypropylene with strong, Colback filter fabric
Foundation installation with Enkadrain
Plaza deck installation with Enkadrain
Green Roof installation with EnkaRetain & Drain
Enkadrain, right, lays flat for easy installation vs the dimple/cuspated drain, left.
Metal roof installation with Enkamat
Enkamat under zinc metal roof, courtesy Rheinzink
Enkamat under zinc metal roof, courtesy Rheinzink
Enkadrain, Vancouver Convention Center Green Roof
Enkamat under zinc metal roof, courtesy Rheinzink
Brands / Products:
Bonar, Low & Bonar Group, Low & Bonar PLC, Bonar Technical Fabrics, Colbond, Made in USA, USA MADE, USA, Colbond USA, American Made, high-performance nonwoven fabrics, non-woven fabrics, nonwoven fabrics, three-dimensional matrix products, matrix products, composites, geosynthetics, worldwide, root reinforcements, enkamat, green roofs, geotextile, building drainage, LEEDS, green building products, instant green roof, metal roof underlayment, green, green roofing, green-roofs, green-roofing, Enkadrain, EnkaRetain & Drain, Enkadrain/W, Enkamat, Enkamat ASV, Enkasonic, Enkavent, Enkaturf Drain

Green Statement/Products:
Colbond actively researches and develops improved technologies for existing and new products and manufacturing processes and materials for sustainable applications.
LEED Qualifying Information


Green Roofs & Gardens
Erosion Control
Waterproof Membranes
Technical Links:
Tech Library
Tech Building Products
Civil Engineering
About Colbond
CEU Links:
Education Center

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