![Roof Framing: definition of types of rafters, definition of Collar Ties, Rafter Ties, Structural Ridge Beams, causes of roof collapse & wall spread. Roof Framing: definition of types of rafters, definition of Collar Ties, Rafter Ties, Structural Ridge Beams, causes of roof collapse & wall spread.](https://inspectapedia.com/structure/Rafter-tie-locations-118-DJFs.jpg)
Roof Framing: definition of types of rafters, definition of Collar Ties, Rafter Ties, Structural Ridge Beams, causes of roof collapse & wall spread.
![Close couple roof, Collar roof ,Double purlin roof/ Architecture and Building Sri Lanka | Roof architecture, Roof, Roof design Close couple roof, Collar roof ,Double purlin roof/ Architecture and Building Sri Lanka | Roof architecture, Roof, Roof design](https://i.pinimg.com/originals/1a/7a/76/1a7a76c0c00930d314db1077571e16f4.gif)
Close couple roof, Collar roof ,Double purlin roof/ Architecture and Building Sri Lanka | Roof architecture, Roof, Roof design
![www.flickr.com/photos/internetarchivebookimages/tags/book... . are emplo3ed, and the situa-tions in Avhich they are placed. The principal timbers of a roof arethe following, but they are not all used in every roof: the tie-beams, wall-plates, www.flickr.com/photos/internetarchivebookimages/tags/book... . are emplo3ed, and the situa-tions in Avhich they are placed. The principal timbers of a roof arethe following, but they are not all used in every roof: the tie-beams, wall-plates,](https://c8.alamy.com/comp/2AM74FX/wwwflickrcomphotosinternetarchivebookimagestagsbook-are-emplo3ed-and-the-situa-tions-in-avhich-they-are-placed-the-principal-timbers-of-a-roof-arethe-following-but-they-are-not-all-used-in-every-roof-the-tie-beams-wall-plates-collar-beams-king-posts-queen-posts-strutsprincipal-rafters-common-rafters-ridge-piece-collar-beams-purlinsand-pole-plates-the-tie-beam-a-fig-3-is-a-horizontal-piece-of-timber-which-fig-3-extends-from-wall-to-wall-and-rests-upon-the-wall-plates-b-ateach-end-it-is-employed-for-the-purpose-of-connecting-tlio-feet-ofthe-principal-rafte-2AM74FX.jpg)
www.flickr.com/photos/internetarchivebookimages/tags/book... . are emplo3ed, and the situa-tions in Avhich they are placed. The principal timbers of a roof arethe following, but they are not all used in every roof: the tie-beams, wall-plates,
![How to ensure your pitched roof is up to the job | Building surveyor Cambridge | Anglian Home Surveyors How to ensure your pitched roof is up to the job | Building surveyor Cambridge | Anglian Home Surveyors](https://www.anglianhomesurveyors.com/site/assets/files/1129/building_surveyor_cambridge_removed_collars.572x0-is.jpg)
How to ensure your pitched roof is up to the job | Building surveyor Cambridge | Anglian Home Surveyors
![Roof Framing: definition of types of rafters, definition of Collar Ties, Rafter Ties, Structural Ridge Beams, causes of roof collapse & wall spread. Roof Framing: definition of types of rafters, definition of Collar Ties, Rafter Ties, Structural Ridge Beams, causes of roof collapse & wall spread.](https://inspectapedia.com/structure/Roof_Framing_118_DJFs.jpg)