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Frequently Asked Questions
We're here to help.
Service FAQ's
How do I obtain technical documents for your products?
Please contact our Customer Service Team and request the documents required, which will be sent to you via email.
Technical Document RequestDo you offer a before 12:00 or Saturday delivery service?
Before 12:00 or Saturday deliveries are available by request at the point of order. They are subject to orders being placed before 15:00.
Do you offer next day delivery?
All orders placed before 15:00 are normally despatched on a next-working-day delivery service. This service does not apply to special order items.
What are your opening times?
We are open from Monday - Friday from 07:30 - 17:00 excluding public holidays.
Do you provide installation training?
We offer a FREE installation training service - please click on the link below to enquire.
Installation Training RequestProduct FAQ's
Does OBEX supply a fire-classified Paste Adhesive?
Yes, CORTEX 0771FR is a Class B paste adhesive. This is used to bond the CORTEX 0500FR Class B Membrane, so that each product achieves Class B in its own right.
Does OBEX have a Class B breather membrane?
Yes we do. Please use the link below to view our Class B solution.
Are OBEX CORTEX products 3rd Party Approved?
Yes, our products are approved by either BBA or KIWA.
OBEX Accreditations & PoliciesTechnical FAQ's
What should the membrane bond-width be on non-porous materials?
You should allow for a minimum 50mm bond width on all non-porous surfaces such as window frames, SFS and other similar construction surfaces.
What’s the minimum fire-classification for materials used within facades, on buildings taller than 11 metres with sleeping accommodation?
The minimum fire classification is Class B-s3,d0.
Approved Document B & Reg 7What should the membrane bond-width be on porous materials?
You should always allow for a minimum 100mm bond-width on all porous surfaces such as concrete, sheathing board or other similar construction surfaces.
Compliance FAQ's
Are OBEX CORTEX products 3rd Party Approved?
Yes, our products are approved by either BBA or KIWA.
OBEX Accreditations & PoliciesDo I need to use fire-classified materials on relevant buildings?
As set out in Approved Document B Regulation 7, materials used in the construction of the external wall need to be fire-rated to Class A2-s1,d0 with some exemptions for Class B-s3,d0 for certain materials. Please see our Knowledge Centre Article for more information.
Regulation 7 Approved Document B