#Letterbox sizes uk how to#
#Letterbox sizes uk iso#
#Letterbox sizes uk free#

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#Letterbox sizes uk how to#

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Further information about the types of cookies that are used on our website is set out in the box below.ДЄs well as the options provided below, you can choose to restrict or block cookies through your browser settings at any time. We also use cookies to try to ensure that our online adverts reflect the interests of web users.

#Letterbox sizes uk free#

Our website uses cookies in order to make the website easier to use, to support the provision of information and functionality to you, as well as to provide us with information about how the website is used so that we can make sure it is as up to date, relevant and error free as we can. (Some cookies are necessary in order for our website to work properly.) This page explains the cookies we use and what we use them for, and lets you turn them on or off. Cookies are small text files that are stored on your computer or other device by websites that you visit. To maintain the fire proof integrity of the fire door ensure any gaps between the letter box and the door aperture are sealed using our intumescent sealant.Дoor Superstore uses cookies on this website. steel wood screws into each face plate.ДҐ. Locate the letter box into the cut aperture and secure using 4no. The face plate fitted with the integral draught excluders should be located to the internal face of the door.Д¤. Please ensure that the aperture is a tight fit to allow the fixing of wood screws into the corner of the face plates.ДЈ. Carefully cut an aperture in the fire door leaf up to 1050mm from the bottom of the door. Measure the external dimensions of the central telescopic section (including the fitted intumescent liner) to ascertain the aperture cut-out.Дў.

Security tested to BS EN 13724 Clause 6.6.5 (Compliant within scope of PAS 23/24)ДЎ.

#Letterbox sizes uk iso#

Acoustic Tested to BS EN ISO 140-3:1995 Achieving 32dB Rw.

Fire Tested to BS 476 part 22: 1987, 30 minute rated.

Wide range of letter flap finishes - polished gold, SAA (satin anodised aluminium) or polished silver.

Fitted with brush pile draught excluders.

Adjustable telescopic sleeve set to suit 40 - 80mm door thickness.

In the event of fire the intumescent liner expands rapidly and seals off the letterbox opening, preventing the spread of fire and smoke whilst maintaining the integrity of the fire door assembly.