Vinyl Fence Systems

 
Vinyl Fence is taking North America by storm. If you’re like millions of homeowners, you’re looking for a fencing solution that makes your yard look clean. Most of all, you don’t want to be spending your summers repairing or maintaining your yard. You want to enjoy it!Vinyl Fence was designed to meet that criteria. It is durable, bright, attractive, and normally just requires some hosing off in the spring, and your yard is ready.

Vinyl Fence Composition

Vinyl products contain 100% virgin vinyl with typically a minimum 10 parts per 100 of , non-chalking Ti02 (Titanium Dioxide) ultraviolet inhibitors. They are 100% lead free and meet ASTM Certifications.

There are two main types of Vinyl Fence composition, Mono-Extruded, and co-Extruded.

 

MONO-EXTRUDED

CO-EXTRUDED

Premium Vinyl Fencing uses the mono-extrusion method to manufacture vinyl fencing. This production method ensures impact and UV protection throughout the entire fence. Impact modifiers are added to the PVC to increase the strength and flexibility of the fence. In addition to the TI02, all our fences use a  UV Inhibitor to ensure you a lifetime of a low maintenance fence. All of the additives are throughout the entire thickness of the PVC giving the best vinyl product on the market. However, it can be more expensive, and not always a requirement. Co-extrusion is a more recent advancement in extrusion technology which brings 2 layers of High Density Vinyl Polymers into play: The outer layer, or Cap Stock, is similar to human skin, and contains a denser concentration of the essential elements, such as the UV inhibitors (much like sunscreen), which is only doing its job when exposed to UV rays. ASTM’s Specification for Rigid PVC Exterior Profiles Used for Fencing(F 964-94) requires that the “cap stock layer be a minimum of 00.015; thick and a maximum of 20% of the overall thickness of the profile wall”.The inner layer, or Substrate layer, has a lowered concentration of UV inhibitors and color pigment. This allows our suppliers to formulate a better molecular bond via the impact modifiers in the substrate compound resulting in a stronger product.

Is a co-extruded product inferior?

There is a misconception is that co-extrusion is inferior to monolayer. Co-extrusion is a newer and more capital-intensive technology offering significant benefit to the consumer by concentrating the essential materials where they do the most good. This gives the consumer a stronger, more durable product, and in turn, more overall value.

Claims of inferiority of the high-tech co-extrusion process usually come from manufacturers who are hesitant to make the significant capital investment for additional extruders and specialized profile tooling, or have built their reputation on defaming this advanced extrusion technology.

Will a co-extruded product delaminate?

Some claim that the layers in co-extrusion may delaminate, but this is false. Co-extrusion is not lamination. Lamination is a process whereby adhesives are used to bond two layers together. Co-extrusion is a molecular bonding process without the use of adhesives, it is accomplished at high pressure and temperatures in a sealed environment where no moisture or air can be entrapped to compromise the molecular bonding, making it impossible to separate the layers.

What is the most popular type of vinyl?

The co-extruded fence profile is made out of two concentric streams: an outer stream, called the capstock, containing the ultraviolet inhibitor and an inside stream, called the substrate with reduced ultraviolet protection. These two streams are chemically attached to each other under great pressure and temperature forming one continuous stream. These two streams appear to be layers, however they can not be separated. Co-extrusion demands a higher investment in equipment, tooling, training and overall manufacturing sophistication, but it significantly lowers material costs. In order to make the product even more affordable, many manufacturers make the inside layer out of reground material (rework) that may be a different color than the outside layer. This does not affect the product’s performance as long as there are no recycled materials used. The lower cost of co-extruded vinyl creates a slightly more affordable product without sacrificing quality. In the mid 90s, only a few manufacturers in the vinyl fence business were co-extruding. Today, a majority of the vinyl extrusion companies co-extrude. These are reputable companies that back their products with lifetime warranties, meeting ASTM vinyl fence standards. Some mono-extruding manufacturers warn that since co-extrusion can result in a different color of substrate material, a scratch on a co-extruded fence will reveal the substrate color-much like a scratch on a car will reveal the undercoat color. However, quality co-extruders make the outside layer thick enough so that a scratch will not penetrate through to the substrate layer. It is difficult to deep-scratch it or “key” your way through to the substrate the way you can through the paint on  a car; the top stream or “layer” is just too thick.

How is Vinyl Fence installed?

While the traditional method of using road-crush gravel, or concrete, can be used to set in the fence posts, it is time consuming and labor intensive. More advanced methods are now used, resulting in a cleaner work-site, and faster installation.

Some companies install a galvanized steel post. The process involves pounding in the post, and fitting the Vinyl Post onto the steel with collars. Time has proven that this method does not work long-term in the Alberta climate. The fence is weak and flimsy, and the installation doesn’t last. Frost and wear moves the posts around resulting in a crooked fence. I recently checked a fence, installed by a competitor. From the middle of a 60 foot rund, I wiggled the fence. To my surprise, the fence was whipping like a snake, all the way down. It even moved the post on the very end. NOT the way to install a fence.

We recommend that the posts be set in concrete, resulting in a superior long-term installation.

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