Low-Profile Soft Roll-Up Tonneau Cover: RAM 1500 Fit Guide
By Armordillo® | Premium Truck & SUV Accessories – Armordillo4x4 | Published: 2026-11-03
Category: 購入ガイド
Use this fit-first buying guide to match a low-profile soft roll-up tonneau cover to your Dodge RAM 1500 bed, check weather sealing, and avoid size mismatches.
Quick answer
For a Dodge RAM 1500, buy a soft roll-up cover only after confirming your exact bed length and cab configuration, then choose a low-profile model with a reinforced frame and no-drill installation. If your truck has a 5'7" bed and is a 2009–2018 RAM 1500, the ARMORDILLO® CoveRex SR Series is a direct-fit option to compare against.
Why bed size is the first check, not the last
RAM 1500 beds vary by cab and model year, and a cover built for one bed length will not seal or latch correctly on another. Measure the inside of your bed from the bulkhead to the tailgate, and confirm your cab style before you shop. A cover listed for a 5'7" bed is not interchangeable with a 6'4" or 8' bed, even on the same truck nameplate.
This is why the same model name can appear in several fitments. The ARMORDILLO® CoveRex SR Series example is listed specifically for the 2009–2018 RAM 1500 with a 5'7" bed, which tells you the fitment is tied to both the year range and the bed length, not just the RAM 1500 badge.
Low profile changes access and clearance, not just looks
A low-profile cover sits closer to the bed rails, which improves the truck's lines and can help with aerodynamics, but it leaves less room for tall cargo near the rails. If you regularly carry oversized items that sit above the bed rails, check that the cover can be rolled fully forward and secured without interfering with the load.
Soft roll-up covers are chosen for fast full-bed access and simple operation. The trade-off is that they are not a hard, lockable shell, so they suit buyers who prioritize quick access and a lower-profile appearance over rigid security.
Weather sealing depends on fit and installation, not claims
No soft roll-up cover can promise a completely dust-free or waterproof bed, and you should treat sealing as a system: correct fitment, a properly tensioned cover, and clean, undamaged bed rails. A cover that is slightly wrong for your bed will leak at the corners and along the bulkhead no matter how tight you pull it.
Check how the cover attaches at the bulkhead and tailgate, and whether the rails sit flush on your truck's bed caps. If your truck has a bed liner that overlaps the rails or aftermarket rail accessories, confirm clearance before buying.
Decision rules before you buy
- Confirm bed length and cab first: Measure the inside bed from bulkhead to tailgate and confirm your cab style. Match the cover's listed year range and bed length exactly; do not assume a 5'7" cover fits a 6'4" bed or vice versa. Write down your bed length and cab style before comparing any cover.
- Choose low profile only if clearance suits your cargo: Pick a low-profile roll-up if you want a clean rail-hugging look and mostly carry loads below the bed rails. If you regularly haul tall items that sit above the rails, check that the cover rolls forward and secures without blocking the load.
- Treat weather sealing as a fit-and-installation check: Inspect your bed rails for damage, liner overlap, or accessories that could lift the cover. A correctly fitted cover on clean rails gives you the best chance at a tight seal; expect some dust and water at the seams rather than a fully sealed bed. Clear the bed rails before installation, not after you notice a leak.
- Prefer no-drill mounting if you may remove the cover: No-drill installation preserves the bed rails and makes seasonal removal easier. If you plan to switch between a cover and open-bed hauling, prioritize a no-drill design over a permanently mounted one.
Product facts to weigh
- ARMORDILLO® CoveRex SR Series 2009-2018 Dodge RAM 1500 5'7" Bed Low Profile Soft Roll-up Tonneau Cover: Listed for the 2009–2018 Dodge RAM 1500 with a 5'7" bed and built with heavy-duty black vinyl over a reinforced support frame. The year-and-bed-specific listing helps you avoid a size mismatch, while the reinforced frame and vinyl are the practical durability points to compare against other soft covers.

ARMORDILLO® CoveRex SR Series 2009-2018 Dodge RAM 1500 5'7" Bed Low Profile Soft Roll-up Tonneau Cover - ARMORDILLO® CoveRex SR Series 2009-2018 Dodge RAM 1500 5'7" Bed Low Profile Soft Roll-up Tonneau Cover: Designed for no-drill installation and fast full-bed access. No-drill mounting matters if you want to avoid permanent changes to the bed rails, and roll-up access matters if you frequently load tall or long cargo.
Who this fit guide is for
Best for
- 2009–2018 RAM 1500 owners with a 5'7" bed who want a low-profile soft roll-up cover
- Drivers who value fast full-bed access and no-drill installation over a hard lockable shell
- Buyers who will confirm bed length and cab style before ordering
Not for
- RAM 1500 owners with a 6'4" or 8' bed who need a different fitment
- Buyers who need a rigid, lockable hard cover for high-value cargo
- Trucks with bed rails that are damaged or obstructed by accessories that prevent a flush fit
