X0101 EFFECT 33 LIVE 2007-05-18 14:00:00

F-4

0001383505 MASONITE INTERNATIONAL INC. 333-139791 0000063049 MASONITE CORP 333-139791-23 0000893691 MASONITE INTERNATIONAL CORP 333-139791-22 0001382610 3061275 Nova Scotia CO 333-139791-21 0001382840 BONLEA LTD 333-139791-20 0001382608 CASTLEGATE ENTRY SYSTEMS INC. 333-139791-19 0001382609 Crown Door CORP 333-139791-18 0001382556 Cutting Edge Tooling Inc. 333-139791-17 0001382841 DOOR INSTALLATION SPECIALISTS CORP 333-139791-16 0001382557 Eger Properties 333-139791-15 0001382558 Florida Made Door Co. 333-139791-14 0001382864 MASONITE CHILE HOLDINGS S.A. 333-139791-13 0001382835 MASONITE COMPONENTS 333-139791-12 0001382834 MASONITE EUROPE 333-139791-11 0001382836 MASONITE EUROPE LTD 333-139791-10 0001382833 MASONITE IRELAND 333-139791-09 0001382832 MASONITE MEXICO, S.A. de C.V. 333-139791-08 0001382560 Masonite PrimeBoard Inc. 333-139791-07 0001382562 PINTU ACQUISITION CO INC. 333-139791-06 0001382838 PREMDOR CROSBY LTD 333-139791-05 0001382842 PREMDOR FINACE LLC 333-139791-04 0001382837 PREMDOR U.K. HOLDINGS LTD 333-139791-03 0001382563 WMW INC. 333-139791-02 0001382830 WOODLANDS MILLWORK I, LTD 333-139791-01