How to Prepare Your Trailer for Winter in New Jersey

Jul 04, 2025By Jeremy Przyhocki
Jeremy Przyhocki

Understand the Importance of Winterizing Your Trailer

As winter approaches in New Jersey, it's crucial to prepare your trailer to withstand the harsh weather conditions. Proper winterization not only protects your investment but also ensures that your trailer remains in good condition when spring rolls around. Neglecting to winterize can lead to costly damages and repairs.

Winterizing involves several steps, including protecting the plumbing, sealing openings, and safeguarding the exterior. Whether you're a seasoned trailer owner or new to the process, knowing the right steps can save you time and money.

trailer winter

Drain and Protect the Plumbing System

Flush and Drain Water Lines

The first step in winterizing your trailer is to address the plumbing system. Start by draining all water tanks, including fresh, gray, and black water tanks. Open all faucets and flush the toilet to remove any remaining water from the system. This prevents freezing and potential damage to pipes and tanks.

Add Antifreeze

After draining, it's essential to add non-toxic RV antifreeze to the plumbing system. Pour antifreeze into all drains, and ensure it flows through the lines to prevent any water from freezing inside. Don't forget to add antifreeze to the toilet bowl and flush system.

plumbing maintenance

Seal and Protect Exterior Openings

Inspect Seals and Weatherstripping

Before winter hits, check all seals and weatherstripping around windows, doors, and vents. Replace any damaged or worn-out seals to prevent cold air, moisture, or pests from entering your trailer. Using high-quality weatherstripping can provide an extra layer of protection against the elements.

Cover Vents and Windows

Covering vents and windows with breathable yet durable material can help insulate your trailer. This prevents heat loss and reduces the risk of moisture buildup inside. Ensure that any coverings are securely fastened to withstand wind and snow.

trailer exterior

Safeguard the Interior

Remove Perishables and Clean Thoroughly

Before closing up your trailer for winter, remove all food items to prevent attracting rodents or other pests. Clean the interior thoroughly, paying special attention to areas where crumbs or spills may have occurred. A clean trailer is less likely to experience pest problems during the winter months.

Protect Furniture and Appliances

Consider using moisture-absorbing products inside your trailer to prevent mold and mildew growth. Cover furniture with protective materials to shield them from dust and potential moisture damage. Remember to unplug appliances and remove batteries from devices to avoid corrosion.

trailer interior

Store Your Trailer Properly

If possible, store your trailer in a covered area like a garage or under a protective cover designed for trailers. This offers an additional layer of protection from snow, ice, and wind. If outdoor storage is your only option, ensure the trailer is parked on a level surface and wheels are chocked for stability.

By following these steps, you can rest easy knowing that your trailer is well-prepared for the New Jersey winter. Proper winterization ensures that once spring arrives, you'll be ready to hit the road without a hitch. Taking the time now can save you from headaches and costly repairs later.