Tie ins have different materials in contact which may create an area of stress.
Roof tie ins.
Rafter ties should be at least 2 x 4 inches nominal.
By upper third here we mean one third of the length of the rafter from ridge to top plate.
After the addition roof is framed and sheathed snap a line on the existing roof shingles 2 in.
Called tying in this helps to weatherproof and strengthen the joint.
A collar tie is a horizontal roof rafter compression connector that is located in the uppermost third of the span of a pair of opposed sloped or gable roof rafters.
The easiest way to tie in the new shingles with the old is with a cut valley see four ways to shingle a valley.
Step 3 tie together the 4x4 beams.
If you don t remove the stone and you put new roof over it the water will get underneath the gravel so make sure you clear it away.
With the beams in place you will now have the outline structure for the roof frame.
They form an upside down v with the point at the top of the addition roof.
We need to do something where that change happens so the panels can go down and water can come off hit the lower slope and come off the roof.
Cut two rafters with a circular saw to the pitch of the addition roof and nail them across the rafters on the old roof.
Definition of collar tie in roof framing definition.
Continue reading below our video of the day step 1 planning.
Flashing is installed to surround roof features such as vents chimneys and skylights.
When adding a new gabled roof addition to your home you will need to find a way of joining the two roofs together.
Roof flashing is a thin material usually galvanized steel that professional roofers use to direct water away from critical areas of the roof wherever the roof plane meets a vertical surface like a wall or a dormer.
You ll have a steeper part of your roof turning into a lower slope so there s a steeper pitch up top and a lower pitch on the bottom.
Roof tie ins tie in areas should be thoroughly inspected for any sign of failure.
Up from the valley center and cut through the shingles and underlayment.
Put 4x4 beams against the house also having these four feet apart from each other.
With either nails or using the mounting brackets attach the beams to the floor boards of the porch.
When ceiling joists run perpendicular to the rafters inspectors may find rafter ties installed above ceiling joists as framing members every 4 feet running above the ceiling joists connecting opposing rafters.
The sealants and other items in these areas should be reviewed for cracking splitting or gaps.