You will not want to remove any of the rafter ties (as you called cross brace). The rafter ties that span the horizontal distance from rafter tail to rafter tail at the side walls is what defines the triangle base of the rafter tie and its two mating rafters.
Can you remove rafter ties?
With a properly engineered structural ridge, rafter ties can be eliminated completely.
Are rafter ties necessary?
Rafter ties are always required unless the roof has a structural (self-supporting) ridge, or is built using engineered trusses. A lack of rafter ties is a serious structural issue in a conventionally framed roof. In most homes, the ceiling joists also serve as the rafter ties.
Can you remove collar ties?
Quote from Youtube video: If you can if you need more room you can actually relocate them so let's say that you have a collar tight that's a little lower. But still in the upper 1/3 of the area.
Do you need collar ties and rafter ties?
Collar ties are necessary to prevent separation of the roof at the ridge due to wind uplift. Rafter ties resist the forces caused by gravity loads that would otherwise cause the roof to pancake and push out the sidewalls.
How do you remove roof ties?
Quote from the video:
Quote from Youtube video: We call that the ridge. The pieces of timber that we'll be working on this roof which everything is attached to are the rafters. So the rafters are on the length of the roof. With our eaves Verge.
How many rafter ties are needed?
Rafter ties amount to an additional framing member that runs above the ceiling joists and that connects opposing rafters. They are generally required every 4 ft., which means that you need a rafter tie only for every other pair of 24-in. o. c. rafters or for every third pair of 16-in.
How do you prevent rafter ties?
Quote from the video:
Quote from Youtube video: So rafter ties can be made out of two by fours for a 20-foot garage. They might need to be two by six might need to be larger if they're going to be longer or used for different types of roofs.
What is the difference between a rafter tie and a ceiling joist?
A ceiling joist is simply a horizontal framing member that runs between walls or rafters to support a ceiling. A rafter tie is a horizontal framing member that runs between rafters to resist the outward thrust of the rafters.
How often are collar ties required?
Your collar ties should be placed once every four feet; assuming you have a roof that is just over 30 feet long, we can calculate. With that, assuming that you have placed rafters every two feet, we know there are 15 rafters (both ends need collar ties).
How do you Resheet a roof?
Quote from the video:
Quote from Youtube video: So it looks like the roof right bundled up here we've got the gutter. Yeah. We will demonstrate the fitting of the gutter a little bit later on and over here we've got the ion.
How do you reroof a garage?
Quote from the video:
Quote from Youtube video: And it's very straightforward there's a case of basically just taking the old ones off and replacing them with new ones and it takes no longer than I did so far we've taken half of the roof off.
Can you build a roof over an existing roof?
Roofing over an existing roof is also called reroofing or an overlay. It is the process where roofers install a new roof over your existing one, i.e. add a new layer of shingles, which means that there is no tearing off of the old roof.
How do you tie a roof over an existing roof?
Quote from the video:
Quote from Youtube video: And uh if you have long enough stock when you cut your first long rafter it leaves you your short rafter. So you just invert them and you can pull all those off of the long points.
Can you put new plywood over old on a roof?
Although I don’t think installing new plywood roof sheathing over the old would be a grave mistake, I would not recommend doing it, for several reasons. The new plywood will have to be nailed to the rafters or roof trusses.
Do I need planning permission to change the pitch of my roof?
Unfortunately, the answer is YES, YOU NEED PLANNING PERMISSION TO CONVERT A FLAT ROOF INTO A PITCHED ROOF. Any time you make changes to a property that makes it higher than the previous highest point, you will need planning permission to carry out the work.
Can you put a pitched roof on a garage?
Converting a flat garage roof to a pitched roof is a relatively simple job for professional roofing contractors. However, you will likely need to apply for planning permission as it is not a like-for-like replacement. This should be a straightforward process, especially if it is a low pitch roof.
What is the 4 year rule in planning permission?
The ‘4 Year Rule’ allows you to make a formal application for a certificate to determine whether your unauthorised use or development can become lawful through the passage of time — rather than compliance with space standards — and can continue without the need for planning permission.
