Decks, Patios, Porches and Docks - Anchoring deck to house at 45 degree angle

Doityourself.com community forum was created to provide answers to all questions related to home improvement and home repair. Doityourself community can help you find information about how-to topics on small fixes to large remodeling projects. With comprehensive how-to content and expertly moderated community forums DoItYourself.com makes it easy to tackle even the most complex home improvement projects.




dmrlook
05-05-07, 10:58 AM
Hello - I am in the process of designing a deck that will be about 9 foot of the ground. The deck will anchor to my house using a ledger board, and will be cantelevered at the other side 2 foot using posts sitting on footings. At the end of my house (left side - see image referecnes below), the deck will be coming off at a 45 degree angle from the ledge board. The question is, is this possible? Can I ancher a 2X10 at a 45 angle from the ledger board. I know I can use joist hangers to go out perpendicularly, but don't know about going out at this non 90 degree angle.


Refer to:
http://home.comcast.net/~rdmkap/decknew1.jpg
for a drawing of what I am talking about.

Although it may be hard to see from the picture, I am doing this because the ground on the left side of my house is higher than under the deck, so I can minimize the stairs down.

Thanks,
Rob


chandler
05-05-07, 11:38 AM
Looks to me you may only have two or three joists that will have to be at 45 degree angles. The one at the lower right of the pix, and at the steps. If it were a midspan, I would use an offset Simpson Strongtie joist hanger, which is at 45 degrees (left or right). But, since you are mainly working with the two end ones, I would have a metal fabricating shop bend a couple of pieces of 1/4" steel plate and blow some holes in it where you can bolt them to the inside of the joist and fasten them to the house ledger. The only reason would be to hide the joist hanger ears from sight.
The skewed joist hangers I refer to can be viewed at http://www.strongtie.com/products/connectors/SUR-SUL-HSUR-HSUL.html