JOINT FILING AGREEMENTJoint Filing Agreement • January 19th, 2007 • Genstar IV GP LLC • Metal doors, sash, frames, moldings & trim
The undersigned, being duly authorized thereunto, hereby execute this agreement as an exhibit to this Schedule 13D to evidence the agreement of the below-named parties, in accordance with the rules promulgated pursuant to the Securities Exchange Act of 1934, as amended, to file this Schedule 13D jointly on behalf of each such party.
