Polycarbonate Installation Profiles

What are the best polycarbonate profiles to use?

However it may be, you are probably wondering what types of profiles and accessories are the best to use when building with polycarbonate transparent panels? Most outdoor projects from the average homeowner’s point of view, originate with the desire to build a structure that will allow light, provide shelter from rain and snow, and if it’s not a patio covered deck or workshop skylight, it will most likely be a greenhouse.

click images for enhanced views

polycarbonate panels,polycarbonate greenhouse,polycarbonate sheets, greenhouse,multiwall polycarbonate roofing,clear polycarbonate sheets,polycarbonate roofing panels

When building a greenhouse, the most efficient and least expensive profile to use are the ones made from polycarbonate, commonly referred to as one piece H profile to connect panel’s together and U profiles to seal the ends. These profiles are made from the same polycarbonate materials as the panels themselves. It is a co-extruded product designed to attach and secure polycarbonate panels. Polycarbonate Profiles, polycarbonate H-channel, polycarbonate U channel

Then there are the two piece H profiles, a bit more expensive, but for the discerning builder who can move along quickly, it is a time saver. By using easier, to build with components than trying to fiddle with one piece H channel, which more often than not, requires four hands to work with, especially with panels that are 10- 12 ft. length.. The choice is ultimately yours! Many may decide to go that way!

Home Improvement Polycarbonate projects

Most polycarbonate panel purchases are used for greenhouse and home improvement construction. As with most other types of panel construction there are several ways to build and various ways to fasten structural panel members together.

Polycarbonate panel construction is no different. All outdoor residential projects need to look good, and more importantly they need to last. Polycarbonate is not an in-expensive proposition, so when spending dollars on premium translucent panels it just makes sense to do it right the first time.

Polycarbonate Fastening

click images for enhanced views

Polycarbonate Profiles, polycarbonate H-channel, polycarbonate U channelPolycarbonate Profiles, polycarbonate H-channel, polycarbonate U channel, polycarbonate construction Fastening polycarbonate to structural framing members is relatively easy. At every panel seam / joint there should be a 3” wide H channel or an aluminum extrusion of the same width, joining two panels together.

The center of the H-channel is where hex head screws are applied onto the support rafter. Always use galvanized or stainless steel hex head screws with neoprene self-sealing washers. For metal structural members use self drilling screw points.

For wood or PVC structural members standard sharp point screws work extremely well.

Polycarbonate Support Purlin Spacing

When attaching perpendicular support purlins to rafters make sure they are even and flush with the top of the rafter. All support purlins must be on the same plane as the rafter. If using a glazing bar system, make sure to set the top of the support purlin even as the same plane with the glazing gasket of the glazing bar of the rafter.

click images for enhanced views

polycarbonate multiwall panels, greenhouses, colorado springs polycarbonate sheets, buy polycarbonate local

 

 Helpful tip: It helps to put glazing sticky tape along the top surface edge of the purlin to muffle sounds from rain, expansion and contraction. Mark the edge of the end rafter where each purlin will be attached then attach a temporary string line from one end of the gable rafter to the end of the opposite gable rafter and follow the string line this will insure that all Purlin supports will run straight and inline.

Polycarbonate Hex Screw Patterns

When attaching polycarbonate panels to any framing member, always use hex screws with self sealing neoprene washers. The thickness of the panel will determine the length of the hex screw to use. For most panel applications, hex screws that are 1’ to 1-1/2” long will usually work just fine. Since most polycarbonate applications are for outdoor exposure, always use galvanized or stainless steel.

It is vital to install hex screws in an even and straight line pattern this can be accomplished a number of ways. The easiest and quickest way is to use a measuring stick as a template or attach a temporary string line. Make sure that hex screws are not over tightened, they should rest snug and secure to the top surface of the panel.

Aluminum Glazing Systems

click images for enhanced views

polycarbonate panels,polycarbonate greenhouse,polycarbonate sheets, greenhouse,multiwall polycarbonate roofing,clear polycarbonate sheets,polycarbonate roofing panelsAluminum glazing systems is the preferred choice for large dimensional timber structures. They are the most reliable and strongest for fastening to the top of timber rafters and or vertical wood post. Aluminum glazing extrusion bars are screwed onto the top of the rafter and or wall post, then the polycarbonate panel is placed on top of the glazing EDPM glazing gasket of the aluminum glazing bar.

The polycarbonate or glass is then clamped in place by an aluminum extrusion cap closure, which also has a glazing gasket and / or tape.  The cap closure is fastened into place with stainless steel screws clamping the glazing panel down securely.

This application provides a stronger and a longer lasting seal and 98% of the time, does not require the use of caulking along the exterior edges of the cap closure. When building a glazed structure, however, the use of quality silicone caulk is highly recommended. Connections at doors, windows, walls, ridge and vent connections, eaves, sill plates are areas where moisture is prone to enter. Caulking the exterior glazed connection at the edge of any down slope eave is also recommended for a longer trouble free connection.

Utilizing an aluminum glazing system offers an important advantageous feature and that is…  to keep the interior glazing surface away from the wood. Condensation must have a way to weep away. Moisture and wood do not make for a long lasting relationship. Over time, the condensation and moisture on any structural wood surface will begin to rot and will eventually lead to an expensive repair job. Why in the world would anyone go there? Surprisingly and, unfortunately, many do just that?

Polycarbonate availability, prices, info, aluminum glazing bars, glazing tape… contact @ 719 270 3000




MrPolyPanel MrPolyPanel Jul 25, 2017