A great deal depends on the pitch of the roof.
Using chimney to support roof deck.
If the deck doubles as a porch it needs to be able to support no more than 80 psf.
Typically a hanging support bracket secures the chimney at the point where it passes through the roof deck or through building floors as well.
Use along with storm collar to weather proof the chimney penetration through the roof deck designed with a large base for extended protection for use on roof with a pitch between 0 12 and 6 12.
It is placed in between a couple of bricks and bends to lay on a section of.
I have a client who wants a deck built approximately 10 off the ground with a roof.
For that reason installing a galvanized or painted steel chimney cap is the most common option.
This is where a high pitched roof is necessary.
Flashing keeps the water from entering that space and must be fully sealed.
A higher pitched roof would be better for extra living space than a lower pitched roof.
The chimney structure comes through the roof leaving a large gap between the.
Porch decks also require larger footings than deck footings.
20 6x6 pt posts would be long enough to use as both deck support and roof support but the expense isn t justified because all that is needed to support the roof would be 4x4s.
2 fix these support posts to your decks original support frame bolts work well.
Once again a 2 by 4 inch piece of lumber is placed between the trusses and parallel to the ceiling joists.
You may be able to buy a pre made cap at a heating supply retailer if you have a standard size clay liner that protrudes above the top of the chimney.
Place pier blocks so that the posts will be against the inside of the support frame.
If you like the idea of having the roof above your house s roof you need to make sure the support posts are within 4 feet or so of the original gutter on that side.
Counterflashing and base pieces overlap but aren t physically joined so they can move independently yet still repel water.
Most deck roofs require separate footings from the deck to support the weight of the roof throughout the seasons.
For deck roof posts dig holes for the roof posts and pour cement to keep them secure.
In roof supported metal chimney installations in mobile home chimney installations and in cathedral ceiling installations of metal chimneys a ceiling support box or special roof support is required.
Flashing is typically made from lead but can also be aluminum steel or copper.
The other is just used to support the trusses.
