Thank you for your question. This SKU has a width of 34.5". The actual size of the blind is 34". We deduct .50 in. to take inconsideration of the brackets.
If you are inside mount measurement is 19" W, then the best size to order is 19.5" W. The actual size of the blind will be 19".
Thank you for your question. These blinds will not fit in the Bali side brackets. On our Hampton Bay vinyl blinds, the head rail is designed to fit into your custom top mounting brackets. These brackets are included with the item.
Thank you for your question. The headrail is approx. 1 in. thick.
The best size is to order a 28.5" W. The actual size of the blind will be 28" W.
If your inside mount measurements are 28" and 29", the best size is to order 28.5" and 29.5". The actual size of the blind will be 28" and 29".
Thank you for your question. Please use a steel measuring tape, when measuring your window. Take the measuring tape and measure from one side of the inner window seal to the other side.
Yes, these blinds and hardware for side mounting.
Thank you for your question. For maximum light blockage, please see our 1" cordless Vinyl Blackout blinds or Cordless Cellular Blackout Shades. Our blackout cordless cellular shades regulates inside temperatures and the 1" Cordless vinyl blackout blinds has "no-hole" slats which helps with no light leaking though. Please follow the links to order online (Note: these items can also be found in store): CELLULAR:https://www.homedepot.com/p/Home-Decorators-Collection-Shadow-White-9-16-in-Blackout-Cordless-Cellular-Shade-48-in-W-x-48-in-L-Actual-Size-47-625-in-W-x-48-in-L-10793478636471/204587279 VINYL:https://www.homedepot.com/p/Hampton-Bay-White-Cordless-1-in-Blackout-Vinyl-Mini-Blind-47-in-W-x-48-in-L-Actual-Size-46-5-in-W-x-48-in-L-10793478353323/300134657
These blinds can be inside mounted or outside mounted. Below is a link to the installation instructions. They can be mounted to wood, drywall/plaster, or metal. https://images.homedepot-static.com/catalog/pdfImages/38/38b140b2-140f-4597-aa40-7c460438330d.pdf