Let sunlight shine into your barn-style gambrel shed with this dormer kit from Handy Home Products. This fashionable outcropping with tempered glass window adds a hint of distinction to your storage building that won't go unnoticed. Just cut a 22-1/2 in. W x 28-1/2 in. H hole in your roof between the rafters and fasten this nifty dormer into place with the screws provided. Color: Multi.