Attic Strongback 22
I envision welding or bolting forms and or stations jigs to the strongback for forming the longitudinals and hull plates.
Attic strongback 22. Strongbacks can be altered to allow hvac installations as long as three 3 consecutive joists are attached. I m talking about a 14 15 boat hull that will weigh maybe 200 spread over the length of the strongback. 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. Mark 22 1 2 degree angles at one end of each brace using a builder s square.
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. 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. The wooden joists or beams over your garage help hold your roof in place.
The span of the strongback is about 7 feet. The round tube sections will be drilled for a pin in the appropriate places to hold the hull at the desired angles. Strongback bridging is an excellent and inexpensive way to improve the overall rigidity of the floor system and eliminate vibration. With the 2x4 joists 16 inch centers running the 15 foot width.
It serves to make the floor more comfortable for those living and working in a structure. Weight capacity designed to fit ceiling heights from 8 ft. Contact lowe s today to help with installing attic ladders or. The only other issue i have left to resolve is what type of flooring material to use.
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. I m going to take the good advice presented to me on this board and. So stop worrying about how to install an attic ladder and let lowe s coordinate your attic stairs installation. If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.
Strengthening attic joists for live loads by sistering. If you need a storage area above your garage strong ceiling joists are necessary to support the added weight. The stairway shop has a wide selection of attic staircases. Cut the angles with the saw.
Sistering is the process of adding a new joist next to each existing joist. 888 243 3339 an announcement about covid 19 and the stairway shop. And standard ceiling openings of 22 5 in. My cart 0 my quote.
These will be the upper ends that attach alongside the cleats. The attic itself is 15 wide by 22 long. Install 2x6 strong backs running the length 22 feet of the attic.