How do I clean and waterproof my tent?

To clean and waterproof a tent, you should first clean the fabric thoroughly with a suitable shampoo or powerful cleaner, and then apply a waterproofing agent once the fabric is completely dry. This two-step process ensures that your tent remains both clean and water-repellent. Below you’ll find answers to the most frequently asked questions about tent maintenance, from the best time to clean it to the correct way to store it.

When should you clean and waterproof a tent?

You should clean your tent at least twice a year: at the start of the camping season in spring and at the end in autumn, before putting it into storage. You should waterproof it immediately after cleaning, as soon as the fabric is dry, or as soon as you notice that water no longer beads up on the fabric but soaks in.

In practice, there are two clear occasions when maintenance is required. In the spring, when you take your tent out of storage, there’s a good chance that green deposits, mould patches or dust build-up will have formed as a result of the damp winter months. This is the ideal time to give it a thorough clean and waterproof it straight away, so that your tent is ready for the new season.

In the autumn, you should clean your tent after using it for the last time before putting it away. Storing a dirty tent is a common mistake: moisture, dirt and organic material such as moss and deposits continue to take their toll during storage and damage the fabric. If you store your tent clean and dry, you’ll have much less work to do in the spring.

It’s also a good idea to reapply the waterproofing treatment if, after a rain shower, you notice that the water is no longer beading up. This is a sign that the water-repellent layer has worn off and needs to be replenished.

What do you need to clean a tent properly?

To clean a tent properly, you’ll need a suitable tent shampoo or powerful cleaner, a soft brush or sponge, and plenty of water. Never use ordinary household soap or washing-up liquid, as these damage the water-repellent coating on the fabric and leave behind soap residue that weakens the material.

Depending on how dirty it is, you will need the following items:

• Tent shampoo for routine maintenance, light soiling and green deposits
• Powerful cleaner for stubborn stains, mud, grass stains and ingrained dirt
• Impregnating agent for the finishing stage after cleaning
• Soft brush or sponge to work on the fabric without damaging the fibres
• A garden hose or a bucket of water to rinse

It is best to pitch the tent fully before you start. This way, you can reach all surfaces easily, you can see where the dirt is, and the tent will dry evenly after cleaning. It’s best to carry out this work on a cloudy day or in the shade, so that the fabric doesn’t dry too quickly and the cleaning product has time to take effect.

How do you remove stubborn stains and green deposits from tent fabric?

You can remove stubborn stains and green deposits from tent fabric using a powerful cleaner that penetrates deep into the fibres. Apply the cleaner directly to the affected area, leave it to work for a few minutes, then work it in with a soft brush using circular movements. Rinse thoroughly with clean water.

Green deposits are a combination of algae, moss and dirt that become embedded in the fibres of the fabric. Simply hosing it down with water is rarely enough. A specialised cleaner chemically breaks down the build-up, meaning you don’t have to scrub as hard and there is less risk of damaging the fabric.

Please bear the following points in mind when tackling stubborn stains:

• Always leave the cleaning product to work for a moment before you start scrubbing
• Do not use a stiff metal brush, as this will damage the coating
• Always rinse the cloth thoroughly after cleaning to remove any residue from the cleaning product
• For very stubborn stains, repeat the treatment rather than brushing harder

Blackish streaks caused by contact with metal tent parts or mud are often more deeply embedded in the fabric. A heavy-duty formula is more effective for this than a standard shampoo.

How do you waterproof a tent after cleaning it?

After cleaning, you should waterproof a tent by applying a waterproofing agent evenly to the dry fabric, allowing it to soak in and then leaving it to dry. The fabric must be completely dry before you start, otherwise the waterproofing agent will not adhere properly and the result will be less effective.

Follow these steps to ensure effective waterproofing:

1. Make sure the tent is completely clean and dry
2. Pitch the tent so that all surfaces are accessible
3. Apply the waterproofing agent evenly over the entire fabric, including seams and corners
4. Leave the product to take effect in accordance with the instructions on the packaging
5. Allow the tent to air-dry completely before putting it away

A good waterproofing agent penetrates deep into the fibres of the fabric and forms a water-repellent layer that repels rain and moisture. Once dry, check whether the water still beads up properly by splashing a little water onto the fabric. If the water runs off in small droplets, the waterproofing has been successful.

How long the waterproofing lasts depends on how the item is used and the weather conditions. In the event of heavy use or frequent rain, it may be necessary to reapply the waterproofing more often than once a season.

Which cleaning product is safe for canvas, polyester and nylon?

Cleaning products specially formulated for tent fabric are safe for canvas, polyester and nylon. Always use a product specifically designed for outdoor textiles and avoid household products such as bleach, washing-up liquid or all-purpose cleaning sprays, as these will damage the coating and the fibres of the fabric.

The three most commonly used materials for tents and awnings each have their own characteristics:

• Canvas is a heavy, woven cotton-like fabric that is prone to mould and green stains. It requires a mild but effective cleaner that does not dry out the fibres.
• Polyester It is lightweight and hard-wearing, but its coating may be damaged by harsh chemicals. A water-based tent shampoo is ideal for this.
• Nylon is susceptible to UV damage and chemicals. The same applies here: only use products that have been tested on this material.

Specialised awning cleaners are formulated to be effective on all these materials without damaging the coating, colour or texture of the fabric. Always check the packaging to ensure that the product is suitable for the material of your awning.

How do you store a cleaned and waterproofed tent properly?

Store a cleaned and waterproofed tent in a cool, dry place, away from direct sunlight, ensuring it is dry, clean and loosely rolled up or folded. The most important thing is to ensure that the fabric is completely dry before you store the tent. Even a slightly damp tent can develop mould during storage, which will permanently damage the fabric.

Please bear the following points in mind when storing items:

• Check that the tent is completely dry, including the seams and corners
• Avoid storing it in an airtight plastic bag or container, as moisture may build up
• It is best to store the tent in a breathable storage bag or rolled up loosely
• Do not place the tent under heavy objects, as prolonged pressure will damage the coating
• Choose a cool, dark place, such as a cupboard or a dry shed

Don’t fold the tent in the same way every time. If you always fold it in the same places, the coating along the fold lines will wear out more quickly. Vary the direction in which you fold it, or roll the tent up loosely to prevent this.

How Rokimi helps with cleaning and waterproofing your tent

Here at Rokimi, we have developed a comprehensive range of products designed specifically for campers and water sports enthusiasts who want to keep their outdoor equipment in top condition. Our product range offers a complete care cycle for canvas, polyester and nylon:

• Hood & Tent Shampoo for routine maintenance and the removal of green deposits and light soiling
• Heavy Duty Cleaner for stubborn stains, mud, grass stains and ingrained dirt that has penetrated deep into the fibres
• Hood and Tent Protection for impregnating the cleaned cloth, so that it remains optimally water-repellent

All products are ready to use and do not need to be diluted, making them suitable for both novice and experienced campers. They are safe for all common tent materials and penetrate right down to the fibres for a thorough and long-lasting result.

View our full Rokimi's product range and find out which product best suits your needs. Would you like to know which materials and applications our products are suitable for? Then take a look at our application page for a full overview. Or go straight to the Rokimi homepage For more information about our brand and our products.

Related Articles

• How do you store a tent so that it stays dry and mould-free?
• Why is it so important to waterproof a tent in the spring?
• Can you waterproof a tent whilst camping?
• How do you dry tent fabric after impregnation?
• Can you impregnate tent canvas with home remedies?