Upgrading existing doors to fire dor status, try these sites:
http://www.mawwfire.gov.uk/business_eng/safety_advice/fire_door.htm
http://www.walthamforest.gov.uk/index/environment/building-control/information-guide/fire-doors.htm
http://www.safelincs.co.uk/section.php?xSec=113
http://www.firesafe.org.uk/html/fsequip/firedoor.htm
This has nothing to do with building or Architecture, its just great fun, no more
Read Full Post | Make a Comment ( None so far )Types of Stone
Identifying the type of stone you have is important in understanding its properties and how to care for it.
Each rock comprises one or more minerals and it is these which determine the behaviour of the stone. For example, if you clean a sandstone containing calcium with acid, it will dissolve.
Igneous Rock
The two types [...]
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