It serves to make the floor more comfortable for those living and working in a structure.
Attic strongback 22.
I envision welding or bolting forms and or stations jigs to the strongback for forming the longitudinals and hull plates.
Mark 22 1 2 degree angles at one end of each brace using a builder s square.
Browse our attic stairs today.
The stairway shop has a wide selection of attic staircases.
Cut the angles with the saw.
Strongbacks can be altered to allow hvac installations as long as three 3 consecutive joists are attached.
The wooden joists or beams over your garage help hold your roof in place.
I m talking about a 14 15 boat hull that will weigh maybe 200 spread over the length of the strongback.
I m going to take the good advice presented to me on this board and.
These will be the upper ends that attach alongside the cleats.
If you have an attic over your garage these joists also bear the load of your attic flooring and any materials you store in the attic.
Strongback bridging is an excellent and inexpensive way to improve the overall rigidity of the floor system and eliminate vibration.
Strengthening attic joists for live loads by sistering.
The round tube sections will be drilled for a pin in the appropriate places to hold the hull at the desired angles.
My cart 0 my quote.
888 243 3339 an announcement about covid 19 and the stairway shop.
The attic itself is 15 wide by 22 long.
Weight capacity designed to fit ceiling heights from 8 ft.
Built for safety this sturdy wood ladder makes it easy to access your attic with nine non slip steps and a convenient handrail for support while climbing.
Span per irc tables was 17 5 for the ceiling joists but what we have here is 19 feet seperated by interior wall and 9 feet at the other side.
From attic pull down stairs to electric stairs we ve got it all.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.
Lowe s will coordinate your attic ladder installation service to remove your old attic ladder handle your new attic stair installation and haul away the old unit.
If you need a storage area above your garage strong ceiling joists are necessary to support the added weight.
So stop worrying about how to install an attic ladder and let lowe s coordinate your attic stairs installation.
The only other issue i have left to resolve is what type of flooring material to use.
With the 2x4 joists 16 inch centers running the 15 foot width.
So at midpoint 27 feet divided by 2 13 5 feet in the attic over the ceiling joists the dp added a double 2x12 strongback.
Sistering is the process of adding a new joist next to each existing joist.
And standard ceiling openings of 22 5 in.
The span of the strongback is about 7 feet.
