Roof Rafter Collar Ties

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.

Roof rafter collar ties.

The collar ties are used to strengthen the roof rafters to prevent them from buckling or sagging under the weight of the roof. Some of these can support the roof and prevent ridge sagging and wall spreading. How to install collar ties to roof rafters. This is especially important if the home is in the northern climates where snow accumulates on roofs or if there are multiple layers of roofing materials.

Collar ties rafter ties tension beams structural ridge beams. 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. Collar ties may take up space in the attic of your home but they are there for a reason. Collar ties attach.

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. Collar ties provide additional structural support for wood framed roofs that bear the weight of clay or concrete roofing tiles.