Roof Construction And Loft Conversion Pdf

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Roof construction and loft conversion pdf.

Homes built after the 1960s may require structural support because builders started using roof trusses instead of old style timber framed roofs. To make the loft conversion work in a house with a roof truss some parts of the truss need removing hence the requirement for additional structural support. This book provides practical guidance on the design and construction of timber roofs featuring numerous detail drawings. The traditional or cut roof glulam ply box ply web trussed purlin purlins typical large purlin roof fig.

3 13 alternative purlin beam constructions. For the purpose of illustration and discussion it is intended to concentrate on a typical. B involve raising the roof line above the existing ridge level and c contain more that two habitable rooms on the new second storey. It highlights the main areas that need to be considered when carrying out this type of work.

5 loft conv rev 2 2007 3 1 in assessing the structural stability requirements it is essential to consider the existing roof construction new floor and the impact the alterations will have on the structure. 1 30 when considering a loft conversion contact must be made with the relevant planning authority to ascertain whether an application is required under the town country. Loft conversion guide introduction this guide is intended to give you guidance on meeting the requirements of the building regulations when converting a roof space loft to a habitable room. It includes information on loft to attic room conversion.

41 42 roof construction and loft conversion stairs double joists floor joists upper purlin ridge ridge lower purlin valley valley a load bearing walls. Building regulations are interpreted at site level. The new edition has been updated to cover the latest changes to the british regulations and extended coverage of roof attic construction. Roof construction and loft conversion fourth edition c n.

The association has funded this loft guide as a contribution towards this goal and believes it is something from which the whole industry will benefit michael ankers obe chief executive construction products association loft conversion project guide construction products association. Mindham roof construction and loft conversion fourth edition. Cut roofs bolted truss roofs trussed rafter roofs roof windows and dormers for lofts trimmed openings ventilation a major section deals with loft to attic room conversions giving guidance on planning procedures as well as dealing with structural matters and specifying.