Portal frames are self supporting structures normally formed in aluminium or steel and powder coated to the desired finish.
The structure is erected on foundation pads and allows out of tolerance conservatory roof’s to be installed by supporting the weight of the roof itself and rafters / hips at mid span thus reducing deflection.
In this way large open areas can be covered such as:-
- Swimming Pools
- Dining areas on Hotels and Public Houses
- Court yards between buildings
- Large free standing glass houses
Portal structures will normally require a site inspection survey and measurements carried out, in order to prepare drawings and calculations required by local authorities.
Additional lead time should be allowed when considering this type of build.