How does temperature affect Grip H Clips?

Nylon 66 is used to make our clips. It is widely used in automotive applications such as for valve covers due to its good properties in a large range of temperatures. We have tested our clips for installations in cold 0 degrees F and hot 160 degrees F temperatures and they perform equal to or better than the stamped metal clips. Review our web site for testing information.

Will they telegraph through the shingles?

No, our clips are thicker than the metal clips but do not telegraph through the shingles. Quite often the metal clips get slightly bent during installation and actually stick above the height of our clips.

Are they as strong as the stamped metal clips?

Yes, they are equal to or stronger as shown in independent tests.

Do they meet code?

Yes, roof clips fall under section 2304.9.4 of the International Code Council (ICC) standards. The reference to clips in this section states “Other fasteners clips, staples, glues and other approved methods of fastening are permitted where approved. The above statement means it is alright with the ICC if it is alright with the local building inspector to use different types of clips. In other words the ICC has no specific requirement for roof clips. They do this because of the large number of new fastening and gluing products that hit the market each year and improve the building process. Note that BOCAL, ICBO, SBCCI and National Evaluation Services were the four main organizations that came together to form ICC-ES which is an evaluation service for building codes. Note that the state of Florida does not require a product approval number for roof clips. As with the rest of the country, this falls with the local inspectors.


History of the Grip H Clip from M & O co-owner John Matson. John and Pat Odette also own Matrex Mold and Tool, Inc. 

In 2005 John Matson and his son Mark were in northern Wisconsin visiting their cabin. Dan Scullin, a mold designer for Matrex, was building a home on a lake approximately 10 miles away. John and his son decided to visit Dan and help him install roof decking on his new house. John got very frustrated with the stamped metal clips not installing very easily. They were difficult to load on both deck sheets, they kept falling off or stabbing the ends of the plywood. He got off of the roof, grabbed a napkin and drew up the first Grip H Clip. Once back to Matrex John showed his design to Pat and they decided to built a prototype mold and make some clips. Pat sent the first batch to some friends on the east coast that were building a large apartment. They liked the new clip design and told Pat they normally have over 100 clips on the ground after the installation. With the Grip H Clips they only dropped 2 or 3. Additional engineering was done, five sizes were created and M & O Products was formed. Grip H Clips are sold throughout the US and in Canada with a few also in Europe.