Products & Services

Siding, Trim & Sealants

Everlast Advanced Composite Siding

Everlast Advanced Composite Siding was developed, and is manufactured, by Chelsea Building Products.

Everlast’s innovative triple-composite process yields the most advanced siding material in the industry. Wood, vinyl, fiber cement, and other composites are no match because despite costly required upkeep and maintenance, you will find these alternatives still fade and deteriorate over time. Everlast lasts, for life.

Everlast is available in 4” and 7” lap siding, 12” Board & Batten, and matching trim accessories.

OCA represents Everlast Advanced Composite Siding in Connecticut, Illinois, Indiana, Iowa, Kansas, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, New Hampshire, New Jersey, New York, North Dakota, Ohio, Pennsylvania, South Dakota, Vermont, West Virginia, and Wisconsin.

NewTechWood USA

NewTechWood USA is a manufacturer of composite decking, siding and soffit, rail systems, garden products, and outdoor furniture. 

NewTechWood utilizes UltraShield® technology. The UltraShield coating is extruded on all four sides around the inner core under a very high temperature to mold simultaneously, so there are no chemicals that are harmful to the environment. The UltraShield protects the material from rotting, fading, and scratching. The UltraShield core is made from carefully selected recycled material and highly dense recycled hardwood and softwood fibers that proved greater strength and durability – making the product 100% recyclable.

NewTechWood siding is available in All-Weather tongue and groove lap siding that can be installed horizontally or vertically, or in the modern European-Style siding. Both styles can be utilized on both residential and multi-family applications.

OCA Represents NewTechWood USA in Arizona, Connecticut, Florida, Iowa, Kansas, Maine, Massachusetts, Missouri, New Hampshire, New Mexico, New Jersey, New York, Las Vegas, Nevada, North Dakota, Oklahoma, Pennsylvania, Rhode Island, South Dakota, and Vermont.


Tamlyn manufactures a variety of Xtreme Trim siding trim, accessories, and water management products for the Residential, Multi-Family, and Light Commercial markets. 

Tamlyn’s Xtreme Trim for use with exterior cladding products is available in thousands of designs and colors to compliment any products. 

TamlynWrap is a drainable wrap system used for moisture management, and drains two times faster than other drainable wraps. 

OCA represents Tamlyn in Illinois, Indiana, Iowa, Kentucky, Michigan, Minnesota, Missouri, Nebraska, New Mexico, North Dakota, Ohio, Oklahoma, W. Pennsylvania, South Dakota, West Virginia, and Wisconsin.

Bostik, Inc.
siding sealant
siding sealant

Bostik, Inc. is part of international chemical company, Arkema’s family of brands. Arkema is an €8.7 billion company, with over 20,500 employees worldwide. Bostik leverages Arkema’s cost and technology capabilities to develop next generation solutions.

Bostik offers a full line of sealants for windows, doors, siding, roofing, and interior/exterior applications. Bostik is the ONLY recommended sealant and adhesive for use with Kynar 500 resin-based coatings. Bostik also can produce custom colors.

OCA represents Bostik in Arizona, Colorado, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Missouri, North Dakota, Ohio, South Dakota, Utah, West Virginia, Wisconsin, and Wyoming.

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