Question 1

What types of roofs can I use Grip Clips on?

Accepted Answer

Grip Clip 325 is designed for asphalt shingle roofs with a thickness between 1/8" and 3/8". That includes all standard three-tab and architectural shingles. For thicker roof materials like cedar or synthetic roofs, Radiant Solutions Company makes other specialized clips (Grip Clip 625 and 875).

Question 2

How many Grip Clips do I need for a typical installation roof and gutter heat cable project?

Accepted Answer

The number varies by layout. In most zig-zag patterns, you’ll place one clip at each bottom “V” and additional clips every 2 feet along the top and bottom of your zig-zag runs. Our Heat Tape Calculator will give you a good count for your project. Assume 6 Grip Clips to install your de-icing cable up and down each valley (spaced 30-36” apart running up the valley).

Question 3

How do Grip Clips attach without nails or screws?

Accepted Answer

These clips are designed with a body that acts as a toothy pincher with two opposing arms of a special corrosion-resistant anodized aluminum that grip tightly onto the roof roofing material when slid into position. The barbs on the clip bite firmly into the roofing but cause no damage whatsoever.

Question 4

Will Grip Clips damage my roof or void the warranty?

Accepted Answer

No. That’s the entire point of our patented design. Nail-on clips put holes in shingles that can void warranties and cause leaks. Grip Clips secure cable mechanically without any roof penetrations, protecting your shingles and warranty.

Question 5

Do I need tools to install Grip Clips?

Accepted Answer

Not really. If you do, the most you’ll need is a putty knife to work under the shingle and break the bond of the glue strip. This will make sliding the Grip Clip onto the shingle easier. Just slide them in by hand and position your cable. If you need to adjust, pull up on the two arms of the clip out and wiggle the clip out.

Question 6

Can I reuse Grip Clips if I move my system?

Accepted Answer

Not advisable. You could give it a shot, but in most cases, the aluminum loses its ability to firmly bite onto the shingle once it has been removed from the roof.

Question 7

What size shingle does the Grip Clip 325 fit?

Accepted Answer

The “325” refers to the clip’s mouth height. Grip Clip 325 fits shingles between 1/8" and 3/8" thick. For thicker materials, choose Grip Clip 625 or Grip Clip 875.

Question 8

What are Grip Clips made from?

Accepted Answer

Grip Clips are made from special aluminum alloy, chosen for its combination of spring strength, corrosion resistance and ability to withstand harsh freeze-thaw cycles.

Question 9

Can I use Grip Clips in gutters or downspouts?

Accepted Answer

No. Grip Clips are for roofing applications only.

Question 10

What’s the advantage of Grip Clips over standard nail-on clips?

Accepted Answer

No penetrations. Nail-on clips put holes in shingles that can void warranties. Grip Clips secure heat cable mechanically, preserving the roof surface while holding cable firmly. Each clip can hold a minimum of 25 pounds of pull force.

Question 11

Can Grip Clips be used in roof valleys?

Accepted Answer

Yes. In fact, they’re particularly effective in valleys. Grip Clips allow you to position heat cable closer to the centerline of the valley where ice dams form, without driving nails or using adhesives. That’s a key advantage over traditional clip systems.

Question 12

How long will Grip Clips last?

Accepted Answer

Many years. The aluminum alloy is weather-resistant and won’t rust. Their design ensures long-term performance through tough winters.

Question 13

How quickly can I get my Grip Clips for my ice dam prevention project?

Accepted Answer

We keep them in stock and ship same day from Minnesota, 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 14

Can I install Grip Clips when shingles are frozen in winter?

Accepted Answer

Yes, but it’s easier in warmer weather. A putty knife helps lift shingles when the adhesive strip is frozen.

Question 15

How far apart should I space roof clips for heat tape?

Accepted Answer

Clips should be spaced every 24 inches along along the top and bottom of your heat tape zig-zag pattern. It's fine to tighten the space in if you like, but keep in mind that this may add additional cable footage required for your project.

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