Roof Construction

 
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Construction Begins
Taking Shape
Roof Construction
Finishing Touches
Completion
Modifications
Clones?

The skeletal roof has been fitted with eight strong casters (4 on each side) and temporarily placed into position to check alignment and accuracy of construction. Notice that the roof beam members are still to be fitted. The initial drop of the pent roof (towards the west) had to be increased as it was felt that some pools of rain water may remain on the roof. 
The roof runs on two specially welded 24ft lengths of 2" angle iron. A great deal of time and effort was devoted to ensure that these rails were absolutely level and totally parallel to each other. Any inaccuracy at this stage would result in future problems with rolling the roof on and off. 


View (looking due south) showing the two lengths of angle iron (painted black) screwed into place on top of the 4ft high walls and rail supports.

 

 

 

 

 

 

Martin in the process of  fixing the 8'x4' 1/2" sheets of shuttering into position on the roof.

The height of the roof is such that it is just possible for me stand up with the roof closed - tall people (over 6ft) have to adjust their posture accordingly and watch out for the beams! While the roof is quite heavy, once the initial inertia is overcome it rolls surprisingly freely. I just need to make sure that the casters are regularly greased.
Battens were applied to the seams and although there was one or two small leaks initially these were quickly sorted out with liberal use of exterior sealant.
Tony making adjustments to the two layers of green mineral felt which have been applied in alternate directions.

 

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