Fiberboards 



2875 



UNFINISHED 



HARDBOARD 



SIDING 



SANDER 



DIRECT ROLL 

 INFRA-RED | COATERS (PILE) 



PREHEATER 



P 



1 



OVEN 



^S^3S^®^ 



VACUUM 

 FEED 



BRUSH 

 CLEANER 



Figure 23-101. — Finishing line for hardboard siding. (Drawing from Suchsland and 

 Woodson 1985.) 



accent coat, applied by the pile coater, only in the low spots. A top coat is then 

 applied over the entire surface; the sequence is shown in figure 23-102. 



PAPER OVERLAID HARDBOARD, 

 ' EMBOSSED 



ACCENT COAT APPLIED WITH 

 PILE ROLL 



ACCENT COAT REMOVED FROM 



HIGH SPOTS BY PICK OFF COATER 



TRANSPARENT TOP COAT APPLIED 

 1 OVER ACCENT COAT 



Figure 23-102. — Finishing sequence for paper-overlaid embossed hardboard by the 

 Abitibi Corporation process. (Drawing from Suchsland and Woodson 1985.) 



