Skip to content

Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply

Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply is a heavy-duty, 4-ply all-weather RV cover priced at $160.00. It features UV-resistant, waterproof fabric and windproof straps, ideal for protecting travel trailers during long-term outdoor storage.

$160.00

● In stock

Buy at Lab Work Auto →

Price and availability may change. Click to see current details on Lab Work Auto.

Key features

  • 4-ply non-woven top with anti-UV composite
  • Waterproof membrane blocks rain and snow
  • Air vent system reduces wind stress
  • Elasticized hem with reinforced corners
  • Weighted toss bag for easy strap setup
  • Adjustable front and rear tension panels
  • Front cross-strap for wind resistance

Pros

  • +Durable 4-ply construction for long life
  • +Effective in rain, snow, and UV exposure
  • +Easy setup with toss bag strap system
  • +Breathable design reduces moisture
  • +Secure fit with adjustable tension panels
!

Cons

  • Does not include assist steel poles
  • May require precise measurement for fit
  • No side mirrors or AC unit cutouts

About Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply

What is Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply?

The Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply is a premium protective cover engineered for travel trailers and campers measuring 18 to 20 feet. Made with durable 4-ply non-woven fabric and a waterproof membrane, this cover shields against rain, snow, UV rays, and debris. Its grey finish resists fading and helps maintain your RV’s exterior condition, reducing wear that can lower resale value. Designed for outdoor storage, it's a reliable solution for seasonal protection or long-term parking.

Key features

  • Durable 4-Ply Fabric — Top panel uses thick non-woven material with anti-UV composite and waterproof membrane.
  • Windproof Design — Includes extra-long straps, front cross-strap panel, and adjustable tension panels.
  • Air Vent System — Allows breathability to reduce moisture buildup and wind stress under the cover.
  • Elasticized Hem — Reinforced corners with elastic help secure fit and prevent tearing.
  • Easy Installation — Weighted toss bag system simplifies strap deployment without crawling under the RV.
  • All-Weather Protection — Shields against rain, snow, scratches, and sun damage.
  • Custom-Like Fit — Adjustable front and rear panels ensure snug coverage on 18'-20' trailers.

Who is Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply for?

This cover suits RV owners who store their 18 to 20-foot travel trailers outdoors and need reliable, long-term protection from weather and UV exposure. It's ideal for seasonal campers, retirees, and weekend adventurers seeking to preserve their vehicle’s condition. DIY users with basic setup skills will appreciate the toss bag system and tension adjustments that simplify installation.

How does Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply compare?

Compared to standard polypropylene or single-layer RV covers, the Labwork 4-ply model offers superior durability and weather resistance. Its multi-layer construction and ventilation system outperform basic covers that trap moisture and flap in wind. While not including assist poles, it provides a more secure fit than generic fits-all options, rivaling mid-tier branded covers in protection at a competitive $160 price point.

🎯

Best use cases

  • Long-term outdoor RV storage
  • Seasonal weather protection
  • Preventing UV and sun damage
  • Shielding from tree sap and debris
  • Maintaining resale value of trailer
🛒

Is Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply right for you?

The Labwork RV Trailer Cover is best for owners of 18'-20' travel trailers needing durable outdoor protection. No special skills required—setup is DIY-friendly with the toss bag system. Ideal for those upgrading from thin, flapping covers. Alternatives include custom-fit covers or models with pole support for extreme winds.

How it compares: Outperforms basic single-ply RV covers in durability and fit. Offers better ventilation and UV resistance than standard poly covers, though lacks the rigid support of premium pole-assisted models.

More from Lab Work Auto

?

Frequently Asked Questions

What size RV does the Labwork cover fit?

This cover fits travel trailers and campers between 18 and 20 feet in length. For best results, measure your RV from bumper to bumper before purchasing to ensure a proper fit.

Does the cover include installation poles?

No, the Labwork RV Trailer Cover does not include assist steel poles. It relies on adjustable straps and a toss bag system for setup, which simplifies installation without extra hardware.

How does the air vent system work?

The built-in air vent allows trapped moisture and air to escape, reducing condensation and wind lift. This breathability helps prevent mold and keeps the cover stable in breezy conditions.

Is the cover waterproof and UV-resistant?

Yes, it features a waterproof membrane and anti-UV composite fabric. The 4-ply top layer blocks rain, snow, and harmful sun rays to protect your RV’s exterior surfaces.

Can I use this cover year-round?

Yes, the cover is designed for all-season use. Its durable materials withstand winter snow, summer sun, and spring rains, making it suitable for continuous outdoor protection.

How much does Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply cost?

Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply is $160.00 at Lab Work Auto. Prices may change — click through to Lab Work Auto for the latest.

Is Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply in stock at Lab Work Auto?

Yes, Labwork RV Trailer Cover 18'-20' Waterproof Camper Travel Trailer Cover 4-Ply is currently in stock at Lab Work Auto.

Specifications

SKU
F8-027161
Last updated May 14, 2026