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Thanks for posting this article. I have had some questions about the materials and contruction of the bed. This is very timely because last night a friend and I loaded 1500 lbs of rock into my bed and drove it about 15 miles. Unfortunately the bed did sustain a few (3 or 4) nicks (less than a millimeter in circumference. I used an old piece of carpet turned upside down on the bed (so that the plush surface contacts the bed), but part of the bed was exposed. I strongly suggest this approach for anyone planning to do any real work with their Ridgeline. I am planning to cut a peice of carpet so that it covers the bottom, all four sides, and the tailgate, and overlaps the lips a little.

In retrospect I wish I would have taken a picture of the truck loaded and posted it. Oh well.
 

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Funny you should post this website today.
I just received a call from Honda today and told them about the bed scratches I have had and the website you listed.
Did not mean to take any credit, just to pass info.
 

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Discussion Starter #4
There does not seem to be any question about the structural integrity of the bed/trunk. The problems are in appearance. Honda says no bed liner is needed and that is true from a practical stand point. However, a couple loads of rocks or whatever and you have an ugly mess back there. A bed liner would not show this problem. Most people that use this truck do not intend to have loads and loads of rocks hauled in it. Only once in a while is there a need and it bothers me to think that the truck bed will look like hell even if I use it sparingly. The carpet idea is a good one and I intend to use it whenever I haul something. Surely a rubber type coating of some sort could have been devised to address this problem.
 

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I bought a bed mat from truckcustomizers.com and cut it to fit.
Should help eliminate some of the scratching and keep things from sliding around. I just ordered the biggest one they had and kept the part I cut off for a floor mat.
It is annoying that it scratches so easily. Just cosmetic but still makes me made. :mad:

Doug
 

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I did the same with a rubber mat. The width was perfect too. I ordered parts to make a fishing rod holder-when I get that done I will take a picture of both.
 

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I have the doubl-mat from Loadhander for $55 (with shipping). It's double sided and so far has worked fine. The loadhandler itself didn't work because of the design of the Ridgeline (handle wouldn't clear the side and was too low because the tailgate is lower than the sides.) I think of this as my SUV with a bed - bought it for mulching, light hauling, & traveling with the dogs. Love it.
 

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Used the factory mat out of my Avalanche, fit perfect in the Ridge and works like a champ.
 

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My remedy for keeping truck bed like new

Like a few others have mentioned on the boards, there are affordable solutions to keeping your bed like new. I purchased a 3/4 thick mat from a store that deals mostly with farming supplies. Southern States is the store in my NC area.
I believe the size was 4 x 6 x 3/4. I trimmed off a foot for the length and cut another line where the inbed trunk raises. Very easy to cut with a knife, just score it first with a box cutter. Also, anytime I haul anything my tarp goes over the matting and covers the bed. No scratches or white marks that others have complained about yet. The matting cost about $45. I think this is the best solution. Pictures below.

Black RTLwS/R running boards, fog lights, chrome bumper trim, front lower trim-brush guard style, moonroof visor, tail light garnish, rear splash gaurds
 

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JOERIDGE said:
Used the factory mat out of my Avalanche, fit perfect in the Ridge and works like a champ.
How do you like this compared to the Avalanche? I always loved that truck but couldn't fit it in my garage without serious rearranging. Did you use the fold down rear much? How was gas milage and reliability? I had a Nissan Titan that was totalled and I sometimes miss that big truck feel. I can't say enough good things about Titans but they made a big packaging mistake. I couldn't get side air bags without buying nav, sunroof, big tow, offroad, and dvd packages. Even with great discounts I was still paying about $5,000 more for a a replacement Titan Crew LE. Coudn't justify paying that much more for things I really didn't need. My gas milage was about 16 and my Ridge posted an 18.5 mpg last fill up.

Cal
Parker, CO
 

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The first time I hauled old bathroom cab/sink to the dump, I created some long gashes which shows the white. Yesterday, I went to home depot and bought a sheet of 1/4 sub flooring plywood which is smooth sided. I had it cut down to 59 1/2". The 3' left over is used for stuff that needs the tail gate down. It is light enough to allow opening the in-bed trunk with no problem. I have the tonneau cover and the plywood is always out of sight and stored inside all the time. Still, Honda should have come up with something better so we don't have to resort to all these actions. :(
 

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Can't attach PDF larger than 170KB, so here is another article link & text. Credit to the original author, just passing on the info.

http://www.compositesworld.com/articles/inside-the-box-thinking-pays-off-for-honda

INSIDE-THE-BOX THINKING PAYS OFF FOR HONDA

Author: Dale Brosius
Posted on: 4/1/2005
Source: Composites Technology

When Honda Motor Co. unveiled its mid-size Ridgeline four-wheel-drive pickup at the North American Auto Show in January 2005, the truck was certain to attract attention from both competitors and customers. After all, the Ridgeline is Honda's first entry into the highly competitive pickup market. With its bold styling and spacious interior, including a rear seat that folds up with one hand to accommodate a full-size mountain bike, the truck garnered its share of onlookers. But it is the back of the truck that holds some of the biggest surprises. The bed measures 1.52m/60-inches long (1.98m/78 inches with the tailgate down), and the distance between the wheel wells is 1.26m/49.5 inches, allowing standard 1.26m/48-inch-wide construction sheet materials to lay flat during transport. The Ridgeline is the only mid-size truck with this capacity. Engineered to support a 136 kg/300 lb dynamic load, the tailgate drops down conventionally, but also can swing open sideways like a door. And just inside the tailgate is a feature never before offered in a pickup truck — a lockable, watertight, in-bed trunk. It offers more than 240l/8.5 ft3 of storage, space enough for three golf bags or an insulated 68l/72-qt cooler and the spare tire and changing tools, as well. To create the bed and all its features, Honda turned to sheet molding compound (SMC), which represents the first time the company has used the material on a significant scale anywhere in the world.

The integrated trunk was conceived in response to complaints fielded from truck owners about their current vehicles. The team from Honda conducted more than a dozen focus groups, says Gary Flint, Honda R&D Americas' chief engineer. "Users told us they were concerned about a lack of secure storage, especially when traveling with a full passenger load," he explains. Tonneau covers and aftermarket, bed-mounted toolboxes were less-than-satisfactory solutions to this concern, because they interfered with other functions of the truck bed or reduced the space available for hauling large items like motorcycles.

Box development was a significant engineering challenge for Honda, Flint notes. Since Honda had no prior experience in building pickups, its engineers had to develop a performance specification for the box from scratch, defining required strengths, durability requirements and other in-use characteristics. The trunk location was another issue: In most pickups, the spare tire is located beneath the bed behind the rear wheels. Since that was the ideal location for the trunk compartment, Honda engineers extended the standard mid-size truck's wheelbase slightly to allow placement of the spare above the rear differential, where it could be accessed through the trunk. From a material standpoint, Honda had extensive metal stamping experience but very little exposure to composites, so steel was considered first for fabricating the bed. Flint, whose previous experience included working with SMC some years earlier, says convincing Honda management that composites would be less expensive than steel, due to lower tooling and capital costs, was the easy part. Nonetheless, the company had to validate the material would meet Honda's exacting standards for quality and performance. Through a series of prototypes and tests, Honda came up with performance and material specifications that Flint claims are the most demanding in the industry. All of this activity took place in an atmosphere of extreme secrecy, with limited access, inside and outside Honda, to the final product.

Materials and process keys to functionality

One company with access to the project was Meridian Automotive Systems Inc. (Dearborn, Mich.). Selected by Honda as the box supplier during the early stages of the project, Meridian assisted Honda with the pickup box design, helped establish the material specifications and now molds the SMC components at its Huntington, Ind. facility.

A total of eight SMC moldings are used in the box assembly, including the bed floor (incorporating the trunk well), the headboard, two side box liners, the tailgate liner, the trunk lid inner and outer, and the spare tire pan. All but the spare tire pan are molded using a Meridian-developed SMC formulation that contains 47 percent by weight of 25.4 mm/1-inch chopped fiberglass supplied by Saint-Gobain Vetrotex (Valley Forge, Pa.). The matrix resin is a unique polyester/vinyl ester hybrid that optimizes the balance between structural performance and aesthetics, and is supplied by the Composite Polymers Div. of Ashland Specialty Chemicals Co. (Columbus, Ohio). The spare tire pan is a low-density (1.3 specific gravity) version of the material used elsewhere in the box — hollow glass spheres replace some of the chopped glass in the formulation. Molded on presses ranging from 1,000 to 2,500 tons, the eight components have a combined weight of just over 45 kg/100 lb.

Molding of the large bed floor was the most challenging, says Meridian's Steve Pelczarski, senior program manager for the box. "We faced a number of issues, including a part with deep draw and shallow draft angles, the need to avoid knit lines and the need to achieve a smooth finish with a high-glass structural material," he notes. Optimization of the charge pattern forced the knit lines into a cutout area for the spare tire pan, reducing their effect on part strength. While much of the surface area is 3-mm/0.120-inch thick, some areas of the part are as thick as 5.5 mm/0.22 inch, and one region at the rear of the trunk opening reaches 7-mm/0.28-inch thick, says Pelczarski.

All eight production molds are constructed of chrome-plated P-20 steel, and are outfitted with dielectric cure sensors that are connected to a SmartTrac processing unit supplied by Signature Control Systems (Denver, Colo.). The SmartTrac system detects the end of cure in the SMC and signals the press controls to open the mold. The sensors are placed in the slowest curing areas of the mold and ensure repeatable part quality at minimum cycle times (traditional SMC rates of several minutes per part). All of the aluminum prototype molds and subsequent steel production molds were produced by Century Tool and Gage (Fenton, Mich.).

Producing the box in multiple components offers greater flexibility than would an attempt to mold the sides and headboard integrally with the floor, emphasizes Andrew Swikoski, Meridian's account manager to Honda. Molding multiple components simplified the tooling and permitted the molding in of more details, such as wiring clips and lighting recesses. In addition, the shipping space for the parts is reduced. Meridian can load 30 full bed sets on a semi-trailer, compared to only 12 to 15 if the box was shipped fully assembled or molded as a single unit.

Durability more than skin deep

Following molding and trimming, Meridian bonds three hat-section shaped, high-strength steel beams across the underside of the bed floor, using Pliogrip two-part polyurethane adhesive supplied by the Specialty Polymers & Adhesives Div. of Ashland Specialty Chemicals. The beams increase the floor stiffness and are used to attach the bed to the steel truck frame during assembly, avoiding the through-bed cap bolts typically used with steel and other composite boxes, explains Honda's Flint. After the beams are attached, the spare wheel pan is bonded, and the trunk lid assembly is mechanically attached to the cargo bed.

To protect the composite bed from UV and scratch damage and to provide a slip-resistant surface, a specially developed two-layer coating is applied by Meridian to the exposed bed surfaces. First, a spatter paint, consisting of a two-component polyurethane mixed with crushed solid glass, is robotically sprayed, followed by a "monocoat" of an unfilled version of the same paint. Both coatings are supplied by Rohm & Haas Co. (Philadelphia, Pa.). To handle the highly abrasive glass filler in the spatter coat, Meridian engineered a dedicated pumping system that minimizes wear on the equipment.

Before the SMC box was approved for production, Honda engineers put the truck through a series of single-point strength and durability tests. To test the bed for global damage tolerance, large rocks were dumped into the bed from an elevated front-end loader. Only minor scratch damage was sustained in this test. Honda also dropped a metal toolbox, loaded to 20 kg/44 lb, from a height of 1m/39.4 inches onto the bed at several points, each time with the load concentrated at the toolbox's sharpest corner. This testing helped define the minimum thickness of the bed. Rough-road durability tests included rock roads, an embedded log course, a washboard track and a 23° slope with a rippled surface. Flint notes that approximately 10 percent of the durability schedule was performed with the bed in an overloaded condition, and included repeated 100-mm/4-inch curb impacts at 30 kph/19 mph.

When the truck box components arrive at Honda's assembly plant in Alliston, Ontario, Canada, they are integrated into the painted body-in-white chassis about one-third of the way through general assembly. Once bolted into the vehicle, the box contributes significantly to the overall vehicle stiffness, Flint says. The tie-down hooks in the bed are highly structural and are tied to the frame. Flint contends that the vehicle can be lifted off the ground, supported only by these hooks.

Since Honda is a major producer of motorized recreational equipment, the box has been configured to support the lifestyle of Honda customers. With the tailgate down, the Ridgeline can haul two of Honda's largest off-road motorcycle, the CRF450R, or one full size all-terrain vehicle (ATV). Four in-bed lights provide adequate illumination for nighttime loading and unloading. The bottom of the in-bed trunk includes a drain plug to allow rinsing of the storage area or loading directly with ice and refreshments for picnics and "tailgate parties."

The Ridgeline went on sale in March 2005 as a 2006 model vehicle, and Honda is projecting sales of 50,000 units the first year. Flint says the successful application of SMC on this vehicle has opened the door for composites use in other Honda programs.
 

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Don't forget the old Black Bondo repair kit that makes it look like new again! :act035:

P.S. I have some for sale for anyone in Canada, as you know we can't get it here!
 

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I for one love the Honda Ridgeline and was the proud owner of 3 other Honda Civics and Honda power equipment ,but my only complaint is the bed material Honda decided on . I use the bed of my truck regularly and i am dissappointed in the ease of scratching it . :act047:
 

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I for one love the Honda Ridgeline and was the proud owner of 3 other Honda Civics and Honda power equipment ,but my only complaint is the bed material Honda decided on . I use the bed of my truck regularly and i am dissappointed in the ease of scratching it . :act047:
Try to find Bondo Restore Black.

It works! It lasts a long time!
 

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I'm over the bed getting scratched. It's a truck. That's one area I won't fret about! But for those who do, I have also heard that Bondo stuff works great. Looks like Rickman is the authorized Canadian dealer! :D
 
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