C – Site preparation and resistance to contaminants and moisture

The Approved DocumentsApproved documents (England) are detailed publications which come under the English Building Regulations. They are based on tried and tested methods of building and if you follow them you are assured of complying with the Regs. The equivalents for Scotland are the Technical Handbook, for Wales: the Approved documents (Wales), and […]

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 […]