Frequently Asked Questions (FAQ)

All products displayed on our website are kept in stock. If a product is temporarily out of stock, this will be clearly indicated on the product page. We will also state the expected availability date.

For the most up-to-date stock information, especially for larger quantities, please contact one of our team members.

If a product is temporarily unavailable, this will be indicated on the relevant product page. We will also provide an estimated date when the product is expected to be available again.

If you order a quantity that exceeds our current stock level, we will inform you as soon as possible about the expected delivery time. This depends on the specific product, version, and availability from our manufacturing and distribution partners.

Orders exceeding €500 net, excluding VAT, are delivered free of charge throughout the European Union (EU).

For orders below €500 net, our shipping and administration charges are:

• €15 for deliveries within the Netherlands
• €20 for deliveries to Belgium and Germany
• €30 for deliveries to other EU countries

Do you have questions about the shipping costs for a specific order? Please feel free to contact us.

Orders placed on working days before 12:00 noon are generally delivered on the next working day.

Custom-made products or products in special versions may have different delivery times. Any expected delivery time will always be clearly communicated.

Many of our products are available in various sizes, versions, and colours. In addition, a wide range of products can be supplied with custom dimensions and finishes.

Please contact us to discuss the options for a specific product.

Yes. A large part of our product range can be manufactured in a specific RAL colour upon request. This allows ventilation and finishing products to be perfectly matched to the appearance of a building or project.

Do you have a specific colour in mind? Feel free to contact us to discuss the available options.

Yes. During the ordering process, you can specify an alternative delivery address.

This allows your order to be delivered directly to a project location, construction site, or your customer's premises.

Current prices are displayed on our website. When you log in to your account, you can immediately view the discounts applicable to you based on your order volume. Don't have an account yet? Click here to create an account: Create account.

Would you like a quotation for a specific product or project? Please contact us. We will be pleased to provide a tailored quotation.

Pricing agreements and discount conditions depend on various factors, including customer type, purchase volume, and any specific agreements in place. 

Are you already a Tilmar customer? Log in to view your personal discounts. Don't have an account yet? Click here to create an account: Create account. If you have any questions regarding your pricing conditions, please feel free to contact us.

Every situation is different. Whether it concerns the ventilation of a crawl space, basement, cavity wall, roof structure, technical room, or another specific application, the right solution depends on the circumstances and the required ventilation capacity.

Not sure which product best suits your situation? Please contact us. Our specialists are happy to assist and advise you on the most suitable solution for your project.

Yes. Our field sales representatives regularly visit customers, project locations, and construction sites.

They can provide advice on products, applications, and project-related challenges. Please contact us to arrange an appointment or to request further information.