Frequently Asked Questions - Products

Both products have been developed for removing specific dirt.
● The Sprayhood & Tent Shampoo removes surface dirt.
● The Power Cleaner removes stubborn stains.

For the best result, follow our three-step plan for cleaning.

CAUTION!! The Power Cleaner is a stronger cleaning agent. Try it out on a small inconspicuous area first.

If you can still see dirt after you have used the Sprayhood & Tent Shampoo, use the Power Cleaner. It is an extra powerful cleaner.

As you have already cleaned the surface with the Sprayhood & Tent Shampoo, all the Power Cleaner needs to do is soak into the stubborn stains. Leave the Power Cleaner to soak in for a nice long time and then rinse the stain remover from the surface with a generous amount of water..

CAUTION!! The Power Cleaner is a stronger cleaning agent. Try it out on a small inconspicuous area first.

This always depends on the kind of canvas. A cotton tent canvas absorbs more shampoo than a boat cover canvas, which also contains plastic.

On average, you can count on using 1 litre of Sprayhood & Tent Shampoo to clean 6-14m² of canvas.

Yes. Clean the tent with clean, lukewarm water first. This already removes some of the dirt and the canvas will absorb the Sprayhood & Tent Shampoo better.

No. You can also clean the windows of your boat cover or tent using Ultramar’s Sprayhood & Tent Shampoo.

It won’t do any damage, but make sure you wipe off the window film using a damp cloth after impregnating. Once the impregnation agent has dried, small marks may appear on the windows. You can easily remove these marks using Ultramar’s Plastic Window Cleaner & Protector.

Yes. Make sure that the canvas is dry before you start applying the impregnation agent.

They are both impregnation agents developed to treat specific types of fabric.
● The Sprayhood & Tent Protector is specially developed for woven plastic or canvas that contains plastic, such as a polyester tent, boat cover or convertible roof.
● The Canvas & Cotton Protector is specially developed for canvas with cotton fibres, such as a cotton tent.

This always depends on the kind of canvas. Generally speaking, a sturdy boat cover absorbs more impregnation agent than a thin tent canvas. On average, you can count on using 1 litre of Sprayhood & Tent Protector to impregnate 6-14m² of canvas.

Yes. Warmth and sunlight increase the effectiveness of the Sprayhood & Tent Protector. Feel free to leave the canvas to dry in the sun after you have impregnated it.

Both products have been developed for removing specific stains.
● The Sprayhood & Tent Shampoo removes surface dirt.
● The Power Cleaner removes stubborn stains.

For the best result, follow our three-step plan for cleaning.

The Power Cleaner’s absorption time depends on how stubborn the stains are. It may take sometime.

Apply the Power Cleaner to the surface in question and brush it in. You can leave it to soak in for a few hours, until all of the stains have disappeared. If the stains have not entirely disappeared after the first treatment, you can repeat the process.

Yes. The Power Cleaner is an extra powerful canvas cleaner and is suitable for cotton tent canvases.

Test the Power Cleaner on a small section of canvas first. The Power Cleaner may have a slight bleaching effect on some tent fabric types.

No. You should always clean the surface with the Sprayhood & Tent Shampoo first. Always use the Power Cleaner as step 2.

That way, you will get less colour difference because you have also cleaned the cloth in step 1. Also, the Power Cleaner is more effective because everything has already been cleaned once with shampoo. This is because the shampoo tackles dirt that the Power Cleaner does not.

By applying the Power Cleaner several times, you loosen any stubborn stains from the tent canvas. The Power Cleaner even gets extremely dirty boat covers, tents and awnings clean.

This always depends on the kind of tent canvas. On average, you can count on using 5 litres of Canvas & Cotton Protector to impregnate 25-50m² of canvas.

They are both impregnation agents developed to treat specific types of fabric.
● The Canvas & Cotton Protector is specially developed for canvas with cotton fibres, such as a cotton tent.
● The Sprayhood & Tent Protector is specially developed for woven plastic or canvas that contains plastic, such as a polyester tent, boat cover or convertible roof.

Yes, this can happen. In principle, these stains disappear by themselves, usually after a while. The white stains are caused by excess impregnating agent. The white component in this impregnating agent is needed to fill the rough structure of cotton.

The Canvas & Cotton Protector has been specially developed for cotton tent canvas. It makes the canvas very watertight and provides extra protection against mould, dirt and green deposits.