What is Tuff Rib?

Tuff Rib Panel is an economical, structural, light gauge through-fastener roof and wall panel that is an excellent choice for commercial, industrial and agricultural applications.

Roofing Applications

Roof slope must be a minimum of a 2/12 pitch to use this product. For slopes lower than a 3/12 pitch, lap sealant is suggested on the side laps of the panel. Substrate needs to be a minimum of 15/32” plywood that is APA rated. The use of 30# felt is needed to provide adequate thermal and moisture barrier protection. Batten strips can also be used to attach this product. Should the building parameters differ from the parameters stated in the fastening schedule, then the fastening calculations must be computed by an engineer to meet the specific wind requirements. If you are unsure of your roofing requirements please contact one of our sales staff to better assist you with your needs.

Start at the gable or rake opposite of the prevailing wind. The leading edge should be the uneven rib.

It is imperative that the panels be laid square to ensure proper lapping. Many installers pop a chalk line 38” from the gable edge running from the ridge to the eave to use as a guide.

Side Lap Procedure

Please see side lap detail. Pay careful attention that the uneven rib is over lapped by the even rib as shown in the side lap detail.

End Lap Procedure

When long panels are required. Tri-State Metal Roofing Supply recommends the customer to consider lapping the panels a minimum of 16” to insure proper drainage. Two strips of butyl sealant tape should be used at the end lap and fastened on the uphill side of the strips of butyl sealant tape.

Eave Detail Procedure

Tri-State Metal Roofing Supply recommends the use of an eave flashing with butyl sealant tape above and below the closure strip (inside) which will go between the underside of the roofing panel and on the top side of the flashing to avoid water infiltration.

Ridge Detail Procedure

The appropriate ridge cap is placed on top of the solid closure strips (outside) with butyl sealant tape above and below the closure fastened through each rib at 9” on center. A vented closure strip can also be used to provide adequate air flow in and out of your attic. A longer screw (2”‐2.5”) is recommended to be used to fasten the ridge. Each section of ridge cap needs to be overlapped a minimum of 12 inches.


Metal to Wood application‐ Tuff‐Rib panels should be fastened by a minimum #9 x 1.5” wood grip. Metal to Metal application‐ Tuff‐Rib panels should be fastened by a minimum #12 x 1” Tek screw

Siding Applications

Tuff‐Rib panels used as siding are side lapped the same as in the roofing application. It is best to start a siding sheet at a large opening (i.e. sliding door, window, door etc.) so that the panels are square. Butyl sealant tape is not required for side lap application. However, butyl sealant tape is recommended where any closures are required.

Trimming And Cutting Steel Panels

Whether cutting with the profile (length‐wise) or across the profile (width‐wise), it is best to use a steel cutting blade or an abrasive, self consuming (carboundum) blade with an electric saw, hand tin snips or a nibbler. It is very important to cut panels one at a time with the finished side or panel facing down on wood blocks. Care should be taken to ensure that the hot metal particles and filings from the cutting do not become embedded in the panel.


Filings from screw cuttings must be cleaned off the panels after screws have been applied through the panel to avoid rust marks or “bleeding” on the panels. Store only in a dry place. Stack flat on blocks or racks to protect bottom panels. Failure to comply with the above procedures relieves Tri-State Metal Roofing Supply responsibility of damage to or deterioration of the finish and voids any paint or finish warranty.

Manufacturer Direct Pricing

Open to The Public

Ontime Production Guarantee

Delivery Services Available

Fast Free Estimates

Quality American Made Materials

100% American Made Steel Roofing Supplies

As a full-service trim fabricator and panel manufacturer, we are your one stop shop for any roofing and siding products. Our customer service and lead times are unbeatable with same-day pickup on many orders. Proudly producing the highest quality, full-warranty products with the best American-made steel. With our extremely competitive prices, we are happy to serve you at one of our three locations.

Our Clients Love Us

"Absolutely recommend these guys. I had them cut and bend some custom size trim and when I got it all home realized one end was too wide. Called them and they reworked the order for me no charge 👍 "

-Rhet B.

"From the office to the shop, this company is amazing with their customer service and their amazing product. Highly recommend."

-Doug W.

"The best metal roofing company we were able to get a quote from. Very friendly and helpful customer service. They ensured we got all the things needed in our quote. We love that they custom cut the panels."

-Ruth B.

"Great staff, good prices and products. Got custom metal bent on the spot. Stoked to have a metal supplier this close to home."

-Craig T.


Ogden, Utah

Payson, Utah

St. George, Utah