Moving Roof Collar Ties

It has a front gabled roof that is constructed of 2x6 s real 2x6 s not 2x5 5 s and planked sheathing underneath a slate roof.

Moving roof collar ties.

Collar ties may take up space in the attic of your home but they are there for a reason. Collar ties rafter ties tension beams structural ridge beams. The only time collar ties do any good is when they are specifically designed to be functional by an engineer or architect and are installed with meticulous care by the framer according to detailed drawings. The 2015 international residential code does not require collar ties or collar beams.

The upper collar tie does not experience the tension that the lower rafter tie is resisting if that tension is resisted in the upper third the roof is probably on the ground. There are collar ties the 1 x 1 5 horizontal beams you can see in the photos nailed in roughly. Doubling the remaining ties by installing one on each side of the rafter provides some extra strength and is more aesthetically balanced. I have recently had the roofing redone which involved removing all the old layers first so the roof is now a lot lighter than it used to be.

The rafter ties are incorrectly labelled as collar ties. In general leaving every third joist or collar tie intact will provide adequate support for the roof load and the ties in between can be removed. Some of these can support the roof and prevent ridge sagging and wall spreading. Collar ties are the appendix of roof framing an evolutionary dead end in home building hanging on by just a couple of nail points.

Moving collar ties barry white gave me a great link to study the terminology so i m not asking about thingy me bobs and whosiwhatsits. This article describes and illustrates the different types of support that prevents roof sagging and wall bulging at buildings including definitions of collar ties rafter ties and structural ridge beams. It currently has 1x6 collar ties on every roof rafter which are about 20 apart. In this how it works article managing editor debra judge silber explains the role of collar and rafter ties in the framing of a roof collar ties are necessary to prevent separation of the roof at the ridge due to wind uplift.

The idea is to put in new collar ties that would double as ceiling joists there will also be knee walls at 5 high per code.