Installation Guide

Utility Knife
A utility knife with a sharp blade may be used for short cuts on sheets up to 10mm thick. Always cut
away from the body, using a straight edge to guide the knife. With thicker gauges, more than one pass
may be needed to cut through the sheet.
Saber Saw
A saber saw with a fine-tooth blade may be used to cut sheets up to 10mm thick. Before cutting,
clamp the sheet to the work surface to avoid vibration. It is advisable to use a straight edge to guide
the saw blade.
Note: A saber saw also works well for cutting holes or to round corners. When making pointed turns in
the direction of the cut, rst drill a hole where the two cuts are to intersect, and then cut through the hole.
Installation
Protective Film
Multiwall sheets come with a protective 
lm. This lm protects the
sheets from scratches and provides important product information.
Keep the lm on until the sheets are fully installed.
If needed for cutting, taping, and/or fastening, remove approximately
two (2) inches of lm from the top and bottom edges of the sheet. The
lm in the center of the sheet should remain attached while installing
the sheet. Remove the remaining lm after the installation of the sheet
is complete.
Note: If the masking is stuck to the sheet, rub with a soft cloth wetted with Fels-Naptha or isopropyl
alcohol. Pull o the lm and follow immediately with a mild soap cleaning and a thorough water rinse.
Do not use sharp objects or other chemicals to remove masking.
Cutting
Multiwall sheets can easily be cut with common power or manual tools
depending on the length of the cut, the width of the panel, and the type
of cut. Generally, a saw blade with more teeth creates a smoother cut
but does run hotter. To avoid melting the plastic, cut at a high speed but
a low advance rate. A ne-tooth blade with at least 10 teeth per inch
is recommended for a smooth cut. A plywood blade is a good choice.
Note: Before cutting the sheet to size, make sure to allow for thermal
expansion (movement of both the length and width of the sheet to
prevent bowing, warping or distortion).
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MULTIWALL POLYCARBONATE
Technical & Install Guide