How To Reinforce Attic Joists

Often existing joist bays are filled with electrical and heating ducts that will need to be relocated.

How to reinforce attic joists.

2x4 s actual size spaced 16 on center running the width of the building uninterrupted with the ends resting on top of the wall top plate. The subfloor installation is easy. In my 80 year old house the attic had 2x6 floor joists about 16 oc. Rather than sistering in.

I have a shopsmith in my garage but only use it in the summer. Sistering installing new larger joists next to the existing ones is one way to bring your attic floor up to code. Plan is to use attic for storage not for living. Also remove any blocking or bridging between the joists as applicable.

I went to get a permit from the city to finish the attic and they said i needed to reinforce the floor since for a live load it was not strong enough for our span below about 12. My driveway is cement so i buy new wheelsets every 5 years or so. Positioning the new joist adjacent to the existing preserves precious ceiling but it does come with some potential complications. The type of modifications selected for reinforcing the joists will depend on the recommendations of the engineer but the following methods are commonly used to beef up undersized attic joists.

Use of joists in attic flooring. How to reinforce 2 6 ceiling joists to handle heavy loads. The existing ceiling joists are 2x6s clear spanning about 11 feet 3 inches. Covering the ceiling joists in the attic using plywood is a cheap way to make better use of the wasted space in your house.

Currently the joists are 2 4ã â â s real 2 4ã â â s not 1 ã x 3ã â â s. The attic has 2 by 8 s also but it has a plywood floor hatch and a plasterboard ceiling. This is a great answer. Precise measurement is the most difficult as you need to consider all underlying obstructions carefully before proceeding with your plans.

How to reinforce an attic floor with sister joists. Clear the joist spaces. Each joist is strong enough to support my weight 175lbs concentrated in a 1 segment of the joist and. Just installed an attic ladder in 90 year old house.

Beefing up attic joists for living space.