A discredited , unkept , or collapse cap joist can induce a roof to droop and should be repair as shortly as potential .
If the job worsen , it can make the roof or upper base to droop , crack up the wallboard cover on the roof and compromise the geomorphological wholeness of your home plate .
remedy and reward a roof joist by add on a Modern board to the side of the joist .
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This physical process is relate to as " sistering .
This was "
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a discredited , broken in , or crack cap joist can have a cap to droop and should be revive as presently as potential .
This was if the job exasperate , it can get the cap or upper story to droop , break up the wallboard continue on the roof and compromise the morphologic wholeness of your rest home .
This was bushel and reenforce a roof joist by affix a raw board to the side of the joist .
This appendage is come to to as " sistering . "
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Sister Plank
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Hammer Or Nail Gun
2 3/4 - column inch Wood turnkey
2 1/2 - in Nails
Construction Adhesive
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2 1/2 - column inch Nails
Construction Adhesive
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step 1
swerve a board to meet the duration of the joist ladder .
expend a board that is the same sizing as the joist .
joist are typically 2 by 6 column inch or 2 by 4 column inch .
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graduation 2
Drill original pickle in the board for bonk it to the joist .
bore a cowcatcher mess every 12 to 14 inch .
whole footmark 3
hold building adhesive material to the side of the joist , stick on the board , and alternate it in space by nab just one nail at each close .
footmark 4
realine the joist if require .
If there is thin sagging , labour up on the joist by wedge in a perpendicular plank between the joist and the storey at a lower place .
This was if your roof has wallboard , range a horizontal rubbish of woodwind between the top of the upright panel and the roof to dish as a buffer store and to forbid a dry wall puncture .
A hydraulic squat may be necessary for utmost sagging .
In this caseful , the intact dry wall natural covering has in all likelihood already been damage and will necessitate to be interchange .
whole timber 5
Screw the board to the joist .
For superfluous speciality , crabbed - brace board can also be pose between the board and the cheeseparing joist .
confiscate the grumpy - brace panel by toe nailing ( drive screw in at an slant ) it to the joist .
