Question 1

What is Cable Guard and what does it do?

Accepted Answer

Cable Guard is a protective sleeve that shields your heat cable from damage at vulnerable spots. It’s especially useful where cable enters downspouts, at the base of downspouts, where cable passes through gutter guards or crosses sharp edges that could cut the jacket.

Question 2

Which heat cables does Cable Guard work with?

Accepted Answer

Cable Guard is designed for most standard self-regulating heat cables in the 5–6 mm thick × 8–13 mm wide range, including our Heat Tape Pro.

Question 3

How do I install Cable Guard?

Accepted Answer

Installation is quick and tool-free. The sleeve opens and presses over the heat cable, allowing you to add it during initial installation or retrofit later if you spot a potential wear point.

Question 4

Can I cut Cable Guard to different lengths?

Accepted Answer

Yes. Each piece is 24 inches long but can be trimmed with tin snips to fit the exact length you need. One piece can often be cut to protect multiple small sections.

Question 5

Where should I use Cable Guard?

Accepted Answer

Anywhere your heat cable might touch a sharp edges, sharp points or abrasive surfaces. Common spots include:
Where cable enters a downspout
Transitions across metal gutter guards (Leaf Guard, Gutter Helmet, etc.)
Roof drip edges or flashing corners
Pass-throughs near sheet metal or siding details

Question 6

How many pieces will I need?

Accepted Answer

Most projects only need one or two pieces. Measure the specific areas where your cable is exposed to hazards and order accordingly. Generally speaking, we recommend one cable guard per downspout so that you can protect both the entrance and exit of your heat cable into the downspout.

Question 7

What is Cable Guard made from?

Accepted Answer

It’s built from UV-stable PVC with an embedded aluminum body. This combination makes it flexible for installation but strong enough to resist cuts, punctures and long-term weathering.

Question 8

How long will Cable Guard last?

Accepted Answer

Cable Guard carries a 5-year warranty but is expected to last much longer. The UV-resistant materials are designed to handle constant exposure to sun, ice and freezing temperatures.

Question 9

Does Cable Guard affect heat cable performance?

Accepted Answer

No. It doesn’t insulate or interfere with cable function. The heat cable continues to melt ice and snow normally. Cable Guard simply protects your heat tape from physical damage.

Question 10

Can Cable Guard be left outdoors year-round?

Accepted Answer

Yes. It’s designed for permanent outdoor use in all conditions. It won’t become brittle or degrade in sun, snow or ice.

Question 11

Why use Cable Guard instead of just being careful during install?

Accepted Answer

Even a perfectly installed cable can rub or shift over time, especially through freeze-thaw cycles or under heavy snow. Cable Guard is cheap insurance that prevents premature failures and callbacks.

Question 12

How quickly can I get it?

Accepted Answer

Cable Guard ships same day from our Minnesota warehouse don’t ‘cha know. (Assuming you don’t order too late in the day!). Orders placed over the weekend will ship the next business day.

Question 13

Can Cable Guard be installed after heat tape is already in place?

Accepted Answer

Yes. You can add it later if you notice potential damage points. Just snap it over the existing cable.

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