Skip to content

New look. Same trusted formula.

  • Our products
  • Application
    • Boot behandelen

      Boat

    • Tent behandelen

      Tent

    • Cabrio behandelen

      Convertible

    • Huis

      Home

  • Bundles
  • About Ultramar
  • Contact
  • Log in
  • support@ultramarxl.com
ULTRAMAR®
  • Our products
  • Application
    • Boot behandelen

      Boat

    • Tent behandelen

      Tent

    • Cabrio behandelen

      Convertible

    • Huis

      Home

  • Bundles
  • About Ultramar
  • Contact

    Choose your region

    Language
    • Nederlands
    • English
    • Deutsch
    • Français
    Country/region
    • Åland Islands - €
    • Albania - €
    • Andorra - €
    • Armenia - €
    • Austria - €
    • Belarus - €
    • Belgium - €
    • Bosnia & Herzegovina - €
    • Bulgaria - €
    • Croatia - €
    • Cyprus - €
    • Czechia - €
    • Denmark - €
    • Estonia - €
    • Faroe Islands - €
    • Finland - €
    • France - €
    • Georgia - €
    • Germany - €
    • Gibraltar - €
    • Greece - €
    • Greenland - €
    • Guadeloupe - €
    • Guernsey - €
    • Hungary - €
    • Iceland - €
    • Ireland - €
    • Isle of Man - €
    • Italy - €
    • Jersey - €
    • Kosovo - €
    • Latvia - €
    • Liechtenstein - €
    • Lithuania - €
    • Luxembourg - €
    • Malta - €
    • Mayotte - €
    • Moldova - €
    • Monaco - €
    • Montenegro - €
    • Netherlands - €
    • North Macedonia - €
    • Norway - €
    • Poland - €
    • Portugal - €
    • Réunion - €
    • Romania - €
    • San Marino - €
    • Serbia - €
    • Slovakia - €
    • Slovenia - €
    • Spain - €
    • Svalbard & Jan Mayen - €
    • Sweden - €
    • Türkiye - €
    • Ukraine - €
    • United Kingdom - €
    • Vatican City - €
    Log in Cart
    Your cart

    Your cart is empty

    All products

    Loading...

    • Home
    • Blog

    Blog

    We are happy to share our knowledge with you about cloth cleaning and maintenance.

    Categories:

    • All blogs
    • Boot
    • Cabrio
    • Canvas & Cotton Protector
    • Clear Plastic Cleaner & Protector
    • FAQ
    • Impregneren
    • Meubels
    • Outdoor
    • Power Cleaner
    • Sprayhood & Tent Protector
    • Sprayhood & Tent Shampoo
    • Tent
    • Tuinkussens
    • Zonwering
    Je cabriodak voorbereiden op de zomer — zo doe je dat

    Preparing your convertible roof for summer — here's how

    After a winter of dirt and moisture, your convertible roof needs attention. Learn how to clean, treat and protect your fabric or vinyl roof in three steps.

    Read moreJune 9, 2026
    5 redenen waarom je tuinkussens nat blijven na regen (en hoe je het in 1 keer voorkomt)

    5 redenen waarom je tuinkussens nat blijven na regen (en hoe je het in 1 keer voorkomt)

    Tuinkussens die klam blijven na regen, vochtvlekken en muffe geur — het komt bijna altijd door één ding. De 5 oorzaken en de simpele fix.

    Read moreJune 8, 2026
    Waarom waterafstotend tentdoek niet vanzelfsprekend is (en hoe je dit zelf kunt testen)

    Why water-repellent tent fabric isn't a given (and how to test this yourself)

    Water-repellent tent fabric isn't a given — it wears off over time. Learn how to test yours in seconds and restore the protection yourself in three steps.

    Read moreJune 7, 2026
    Groene aanslag op je bootkap verwijderen: veelgemaakte fouten en de juiste aanpak

    Removing green deposits from your boat cover: common mistakes and the right approach

    Green algae on your boat cover is easy to remove — if you do it right. Learn which mistakes to avoid and how to get it done in three steps.

    Read moreJune 5, 2026
    5 signalen dat je bootkap toe is aan onderhoud

    5 signs your boat cover needs maintenance

    A boat cover takes a beating. Sun, rain, wind, salt, and dirt all add up over time. The tricky part is that wear often happens slowly. You usually notice it...

    Read moreFebruary 26, 2026
    7 oorzaken van vlekken en verkleuring in bootkappen

    7 Causes of Stains and Discoloration on Boat Covers

    A boat cover lives outdoors. Sun, rain, wind, salt, and everyday use all leave marks over time. Sometimes you suddenly notice stains. Sometimes the fabric slowly turns dull or fades....

    Read moreFebruary 26, 2026
    Wat regen, zon en stilstand doen met een cabriodak

    What rain, sun, and standing still do to a convertible roof

    A convertible roof is made to live outdoors. But “outdoors” is never just one thing. It is rain, sun, wind, dust, temperature changes, and sometimes weeks of standing still. And...

    Read moreFebruary 26, 2026
    De 11 meest gemaakte denkfouten over bootkaponderhoud (en de oplossing)

    The 11 most common mindset mistakes about boat cover maintenance (and the fix)

    A boat cover looks tough. Until you notice it wets out faster, stays grey after cleaning, or just doesn’t look fresh anymore. Often that’s not bad luck. It’s a few...

    Read moreFebruary 26, 2026
    7 oorzaken van vlekken in tentdoek

    7 causes of stains on tent fabric

    Your tent lives outdoors. It gets sun, rain, wind, and everything that comes with it. So it’s normal to see stains after a few trips. Sometimes it’s simply “camping life”....

    Read moreFebruary 26, 2026
    Waarom bootkaponderhoud vaak meer tijd kost dan nodig is

    Why boat cover maintenance often takes more time than it needs to

    You want your boat cover to look good. Fair. But in real life, maintenance often takes more time, more effort, and more frustration than you expected. Not because you’re doing...

    Read moreFebruary 26, 2026
    Waarom waterafstotend tentdoek geen vanzelfsprekendheid is

    Why water-repellent tent fabric is not a given

    You pitch your tent, it starts raining, and you think: “No worries. The fabric is water-repellent.” That sounds reasonable. But in real life, water repellency is not a fixed feature...

    Read moreFebruary 26, 2026
    • 1
    • 2
    • 3
    • …
    • 12
    ULTRAMAR®
    Follow us:
    Facebook Instagram Pinterest Tiktok Youtube

    Our products

    • All products
    • Bundles
    • Cleaning
    • Remove Stains
    • Impregnating

    Service

    • Shipping
    • Returns
    • Payment
    • Warranty and Complaints
    • Contact

    About Ultramar

    • About us
    • Blog
    • Become a dealer
    • Legal notice

    Contact info

    support@ultramarxl.com

    Ultramar Products BV

    Lage Ham 190
    5102 AE Dongen
    Payment methods
    • American Express
    • Bancontact
    • iDEAL Wero
    • Klarna
    • Maestro
    • Mastercard
    • PayPal
    • Visa
    • Privacy Policy
    • Terms and Conditions
    • Shipping Policy
    ULTRAMAR®
    Follow us:
    Facebook Instagram Pinterest Tiktok Youtube

    © 2026 ULTRAMAR®

    • Choosing a selection results in a full page refresh.
    English
    • French
    • German
    • English
    • Dutch