Bridge Castle (5)
As stated before, the parapet wall was renewed in the 17th century. It is carried on continuous corbelling, the angles being provided with open rounds for defence. Tranter observed that the parapet wall is very narrow and that in order to pass round the projecting chimney stack on the east gable (visible here), the parpaet was projected out slightly further, on five individual corbels.
The amount of space available for a parapet wall and walkway is of course dictated by the width of the wall they are built on top of - plus any amount of extra room provided by partially projecting the parapet wall out on corbelling. While tower-house walls are nearly always very thick at the bottom for defence, they get narrower as they go up. The ledges or scarcements formed as the wall gets narrower, are used to support floor joists at different levels.
Bridge Castle (5)
As stated before, the parapet wall was renewed in the 17th century. It is carried on continuous corbelling, the angles being provided with open rounds for defence. Tranter observed that the parapet wall is very narrow and that in order to pass round the projecting chimney stack on the east gable (visible here), the parpaet was projected out slightly further, on five individual corbels.
The amount of space available for a parapet wall and walkway is of course dictated by the width of the wall they are built on top of - plus any amount of extra room provided by partially projecting the parapet wall out on corbelling. While tower-house walls are nearly always very thick at the bottom for defence, they get narrower as they go up. The ledges or scarcements formed as the wall gets narrower, are used to support floor joists at different levels.