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Running an arch in situ. A opening was made to allow access to the new study. A opening was made to allow access to the new study. Plasterboards were fixed over the wall area. The width of the opening was drawn on the surface of the plasterboard.
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Running an arch in situ ACA D Winchester
A opening was made to allow access to the new study ACA D Winchester
A opening was made to allow access to the new study ACA D Winchester
Plasterboards were fixed over the wall area The width of the opening was drawn on the surface of the plasterboard Using a piece of string and a pencil The arch was spun from the centre point ACA D Winchester
Using a pad saw the arch was carefully cut out ACA D Winchester
Plasterboards have been fixed to the inside of the arch A coat of thistle bonding has been applied to level up the board, and marry into exiting plaster surface Thin coat beads fitted to the arris ACA D Winchester
A coat of finishing plaster has been applied • The surfaces have been married together ACA D Winchester
Top of the arch R=14.5” Spring line D = 29 ” R = Radius D = Diameter ACA D Winchester
Dry wall screws used as anchor points R=14.5” Pivot point Centre for the fishtail gig stick R=14.5” R=14.5” D = 29 Springing board R = Radius D = Diameter ACA D Winchester
Angle Mould Slipper Stock Template gig stick with fishtail ACA D Winchester
Dry wall screws used as anchor points The slipper and gig stick are flush with the wall Pivot point Centre for the fishtail gig stick ACA D Winchester
The mould is built up with three coat of plaster • The angle mould is passed over the plaster • Make sure that the mould is flush to the wall and the fishtail is located on the pivot point ACA D Winchester
The mould is nearly built up ACA D Winchester
The mould has been cut of at the spring line The mould has been cut of at the spring line • The semi circular arch is now run • The springing board has been removed ACA D Winchester
Running the styles Relocate the angle mould on the finished section When the mould is located fix the running rule with drywall screws Then plumb down the rule and fix ACA D Winchester
Twin slipper mould • Alterations have been to the angle mould • The gig stick has been removed, and a second slipper has been added • This will give the mould stability for running up the rule ACA D Winchester
The gig stick has been removed, and a second slipper has been added To gauge the distance between the slippers a piece of the running rule has been used ACA D Winchester
Again the mould is built up with three coats of plaster • The mould is run up and down the running rule ACA D Winchester
When the mould is run • The running rule is removed • The joint at the spring line is worked with a small tool and joint rule ACA D Winchester
The same process is repeated on the other style ACA D Winchester