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Polycarbonate Twinwall - Clear
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Polycarbonate Twinwall - Clear

Twinwall Polycarbonate Sheet



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Get Your Online Pricing: Tips for measuring & cut-to-size policy »
How To Measure and Cut-To-Size Policy | Close it

Cut-To-Size Items are Non-Returnable!

As per our Shipping and Returns Policy, custom cuts and fabricated parts are non-returnable. If you need an over- or undersized item, note it under "Comments" during Checkout. Cut-to-size orders have an acceptable cut tolerance of 1/8" (0.125"), so clarify if the adjustment is to be made on the (+) or (-) side of the saw blade. Please review our full return and shipping policy here.

Measure Twice, Cut Once

Since custom cuts and fabricated parts are non-refundable, be very careful while measuring your dimensions. As each cut is nominal, even the slightest miscalculation could be costly.

How to Use a Measuring Tape

1.) Extend your tape measure several inches to find the 1 and 2 inch markers. In between the inch markers you’ll find 16 equally spaced tick marks.
2.) Measure your space by counting the increments beyond the nearest inch. (If your space measures 7 inches plus 8 tick marks, that is 8/16 à 1/2. Your space is 7-1/2" on one side.)
3.) Another example: If your space is 7 inches and 9 marks past that, your material should be 7-9/16".

Features of a Measuring Tape: Sliding End Hook

The sliding end hook is designed for two different types of measurements. An outside measurement (where the hook of the tape hangs over an edge), requires the hook to slide out a bit to account for the thickness of the material. When making an inside measurement (where the hook will push up against a surface), the clip slides in, again, accounting for its thickness. The measuring tape self-adjusts to guarantee an accurate measurement (as far as the tape is concerned).



 

Total Price: $48.00

 

Overview Specs & Uses Reviews Inquiry
POLCE SW - Overview

Twinwall polycarbonate from Interstate Plastics provides an endless range of glazing and roofing applications, for extreme weather conditions, and is known for its light-transmitting and reflective qualities. Twinwall is attractive, durable, easy to install, and has the impact resistance and UV protection to withstand anything you can throw at it. Twinwall’s notorious double paneled sheets serve to trap air, therefore increasing the product’s insulation strength. Insulation properties will increase depending on the material’s thickness.

Twinwall’s surface is protected from the degradation effects of UV radiation by a proprietary co-extrusion process. Beneficial infrared light passes through the material promoting an ideal growth environment. UV-resistant Twinwall is twelve times lighter versus glass and the resins comprising the material are specially developed for excellent flame retardant properties.

Note: We recommend only using Interstate Plastics' Aluminum Vent Tape with twinwall and mult-wall polycarbonate. 6mm (.236") and 8mm (.315") wall should be used with 1"x150’ tape. 10mm (.394") and 16mm (.630) wall should be used with 1.5"x150’ tape.

[Twinwall Installation Guide PDF]

Working with Polycarbonate Twinwall

Preparing the Sheets

  • Remove the grey protective film.
  • Fold back the printed sheet protection film 10 cm. on each side.
  • Attach ventilating edge tape to the lower edge and sealed edge tape to the upper edge.

Preparing the End Profiles

  • Use a metal saw to cut the aluminum edge profiles into pieces matching the width of sheets to which they will be attached.
  • Drill drainage channels to allow for the flow of condensed water along the profiles used for the bottom section of the building’s roof.
  • Attach the edge profile to the sheet within the short side on the top of the sheet.

Preparing the HPC Connecting Profiles

  • Cut the base profile and the cap to the length required. For curved roof buildings, cut the connecting profile cap 2 cm longer than the base.
  • To anchor to non-metal structures, drill 7 mm holes 50 cm apart in the base for the beam structure or according to the position of the purlins.

Installation Instructions for Roofing a Beamed Structure

Step 1: Use screws to attach the base connecting profiles to the roof beams. Make sure that screws do not bend, tear or exert excessive pressure on the profile.

Step 2: Place the sheet on the top of the base profile support edges, with the side covered by the printed protective film facing upwards.

Step 3: Slide the base under the sheet and attach it to the beam.

Step 4: Place the side spacer profile onto the roof beam and attach the cap to the base by hammering into place with a rubber mallet.

Steps 5 to 7: Continue adding sequentially, a sheet (step 5), a base connecting profile (step 6) and a cap (step 7) until reaching the end of the building. After completing installation, remove all the printed protective film from the sheets.


How to Clean Polycarbonate Sheet

General Cleaning

1. Rinse surface with warm water to loosen preexisting dust, dirt and grime.
2. Gently wash surface with a mild soap and a soft microfiber cloth or sponge.
3. Rinse thoroughly with lukewarm water. Dry completely with a soft, dry cloth.

Removing Oil and Tar

1. Rinse with warm water to loosen preexisting dust, dirt and grime.
2. Gently rub surface with a 50/50 isopropyl alcohol and water mixture using a soft, non-abrasive cloth.
3. Immediately rinse material with water and dry using a soft, dry cloth.

Removing Heavy Markings (e.g. graffiti, paint, marker, inks, glazing components)

1. Rinse with warm water to loosen preexisting dust, dirt and grime.
2. Gently rub surface with Naphtha VM&P grade, isopropyl Alcohol, or butyl cellosolve, using a soft, non-abrasive cloth.

Removing Adhesive-Backed Labels

1. Stubborn adhesives can be removed using isopropyl alcohol, Naphtha VM&P grade or kerosene.

Removing Scratches

1. Deep scratches and gouges made by sharp objects such as keys, screwdrivers and knives cannot be repaired.
2. Fine scratches can be cosmetically hidden by using our Novus 2, followed by a polishing agent such as Novus 1.

Special Note: Always rinse edges of polycarbonate with generous amounts of warm water, as the edges of polycarbonate sheet are not protected with an abrasion and chemical resistance hard coating.


Planning and Creativity

Planning
In good architectural planning elements of the environment in which the structure will be placed must be taken into account. In outstanding architectural planning, the environment becomes an integral part of the structure.

Creativity
Twinwall Polycarbonate sheeting harnesses nature to create the interior atmosphere by enlisting nature’s qualities for the creative process. Realizing that the creative process in building depends on the ability to adapt the materials for the design concept, Polycarbonate Twinwall offers architects a raw material that can bring many architectural and design projects to fruition.



Features

  • Highly Flexible, Virtually Unbreakable
  • Extreme Durability & Impact Resistance
  • UV Protected from the Elements
  • Easy to Machine and Install
  • High Light Transmission
  • Multiple Colors Available
  • Flame Retardant
  • Transparent up to 2" thick with great light transmission
  • Wide temperature operating range (-40F to 280F)


  • Cutting can be done on a standard circular, jig, or table saw with a blade having 8-12 teeth per inch. Thinner gauges can be cut with a box knife.

  • Drilling is performed with standard wood drill bits.

  • Trim with a standard box cutting knife.

  • Bending is done by cold forming along the direction of the flutes. Bending guides are available.

  • Bonding ("gluing") can be done with Weld-On 55 adhesive.




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Phone: (888) 768-5759
330 Commerce Circle
Sacramento, CA 95815 dennis.g@interstateplastics.com
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