C – Site preparation and resistance to contaminants and moisture

The Approved DocumentsApproved documents (England) are detailed publications which come under the English Building RegulationsThese are the mass of regulations that cover safety, health, welfare, convenience, energy efficiency etc. in the way buildings are constructed. Not to be confused with Planning consent (which is more to do with whether you can put up […]

Timber roof structures

Type of structure

Whether living space is required in the roof is the most crucial decision from a structural point of view because it decides whether you can use prefabricated gang nail roof trusses or whether you have to build a traditional roof. The roof trusses are cheaper and much faster (two people can lift […]