FREE GUIDE: "7 Secrets Other Bifold Door Suppliers Won't Tell You"

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IMPORTANT: Crystal Clear Takes Over Bristol Bifold (13th June 2019) :: Call 01179 717 880 and one of our friendly advisers will be there for you.

What are Trickle Vents & Do I Need Them?

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Trickle vents are set into the frame at the top of the bifold door panels, and allow air to flow through. They can be opened and closed, as required.

The law now requires all new windows and doors to have them. The only exception is if you are replacing existing doors that do not have trickle vents. One trickle vent per door set is usually enough. Your architect will be able to clarify this for you.

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The FREE 7 Secrets Other Bifold Door Suppliers Won't Tell You

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When searching for a bi-fold door, suppliers won't always give you all the information you need - that's why we've provided you with this FREE eBook. Don't miss out, click here to download it now.

Supplying and Installing Bi-fold Doors & Sliding Doors to the South West & Wales

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Name & Registered Office: Bristol Bifold and Sliding Doors, here on in known as Bristol Bifold - which are both trading names of Crystal Clear Bristol Ltd, 24 Emery Road, Brislington, Bristol, BS4 5PF (Company number 03874720) :: Tel: 01179 717 880 :: Web design by ProfitReach - About this website