62 



FARM BUILDINGS IN SOUTH AFRICA 



generally situated at each end of the roof though, in the case of long 

 roofs, cross draughts are often arranged for by the provision of additional 



Pro. 62. 



louvres situated on the side slopes of the roof, at intervals along its 



length. 



Types of Eaves ; Gutters. — There are two principal types of eaves, 



viz. box eaves and open eaves. 



The former type may be used in places where no ventilation opening 



is required along the eaves. The ends of the rafters are trimmed, and a 



soffit board and fascia 

 Puplws 3*"-2'b^O / board are nailed on to 



them as shown in Fig. 

 63. The guttering is 

 fixed, as illustrated, by 

 long screws passing 

 through both sides of 

 the gutter, and screwed 

 into the fascia board. 

 The gutter is prevented 

 from being narrowed 

 by the pressure of these 

 screws by a tube T 

 (Fig. 63), made by 



bending a strip of galvanised sheet-iron into the form of a hollow 



cylinder, inserted in the gutter between the two holes punched to pass 



the screw. The screw then passes through this tube. 



F/fscm Boa, 



SOX EfiVE'3. 



Fig. G3. 



