Made of #1 clear lumber. Fastened with galvanized staples, and exterior wood glue. Aluminum screen is applied to the back of the louver box. The stated size is the RO (rough opening). The louver box measures 1/2" under the stated size and is 3" deep. Overall outside of trim measurement depends upon the trim option selected. The trim overhang is the width of the trim less 3/4". (2 3/4" trim width = overhang of 2") Material options are Western Red Cedar, Yellow Pine, Redwood or Cypress. Surface finish options are, Sanded Smooth, Rough Sawn and Applied Primer Paint. Other sizes are available. Please call for pricing. 48" base 4/12 pitch GVP448$75.17 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$5.47)Cypress (+$2.59) Surface: Sanded SmoothSmooth-Primer (+$10.00)Rough SawnRough-Primer (+$10.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 54" base 4/12 pitch GVP454$80.55 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$6.93)Cypress (+$3.28) Surface: Sanded SmoothSmooth-Primer (+$11.00)Rough SawnRough-Primer (+$11.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 60" base 4/12 pitch GVP460$86.85 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$8.55)Cypress (+$4.05) Surface: Sanded SmoothSmooth-Primer (+$11.00)Rough SawnRough-Primer (+$11.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 72" base 4/12 pitch Shipping:This item requires a shipping quote. A shipping quote will be sent via e-mail, and no charges will be made until the quote is approved. GVP472$99.14 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$12.31)Cypress (+$5.83) Surface: Sanded SmoothSmooth-Primer (+$13.00)Rough SawnRough-Primer (+$13.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 84" base 4/12 pitch Shipping:This item requires a shipping quote. A shipping quote will be sent via e-mail, and no charges will be made until the quote is approved. GVP484$120.83 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$16.76)Cypress (+$7.94) Surface: Sanded SmoothSmooth-Primer (+$15.00)Rough SawnRough-Primer (+$15.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 96" base 4/12 pitch Shipping:This item requires a shipping quote. A shipping quote will be sent via e-mail, and no charges will be made until the quote is approved. GVP496$144.00 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$21.89)Cypress (+$10.37) Surface: Sanded SmoothSmooth-Primer (+$17.00)Rough SawnRough-Primer (+$17.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 120" base 4/12 pitch Shipping:This item requires a shipping quote. A shipping quote will be sent via e-mail, and no charges will be made until the quote is approved. GVP4120$209.16 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$5.47)Cypress (+$2.59) Surface: Sanded SmoothSmooth-Primer (+$25.00)Rough SawnRough-Primer (+$25.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding 144" base 4/12 pitch Shipping:This item requires a shipping quote. A shipping quote will be sent via e-mail, and no charges will be made until the quote is approved. GVP4144$292.90 Wood: Western Cedar (+$0.00)Yellow Pine (+$0.00)Redwood (+$5.47)Cypress (+$2.59) Surface: Sanded SmoothSmooth-Primer (+$35.00)Rough SawnRough-Primer (+$35.00) Face Trim: 3/4 x 2 3/4 Square Edge5/4 x 2 Brick Molding All major credit cards are accepted. Availability: Usually ships in 5 to 7 business days. For custom orders please allow up to 3 weeks for delivery. Special arrangements can be made by phone. MADE IN THE USA Thank you for shopping at our store. We hope you agree that Kimball Design products are right for you and right on the price. For customer service or order information: phone:870-326-4236 fax:501-325-0249 e-mail:order@kimballdesigns.com Kimball Design products. Quality for your home and family.