Loft Floor Joist Strengthening

Long spans of joists in newer homes may wobble or bounce from foot traffic.

Loft floor joist strengthening. After several centuries of service floor joists in older homes may sag or crack. If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists. In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together. The loftman company is among the longest established companies in this industry and regarded as the leading loft specialist in the u k the loftman company is a midland based family run business with twenty five years in the making.

How to make floor joists stronger. Sistering is the process of adding a new joist next to each existing joist. True floor joist span calculations can only be made by a structural engineer or contractor. How to strengthen floor joists in lofts.

This sample table gives minimum floor joist sizes for joists spaced at 16 inches and 24 inches on center o c for 2 grade lumber with 10 pounds per square foot of dead load and 40 pounds of live load which is typical of normal residential construction. Whats people lookup in this blog. Floor timber in loft conversion and joist hangers or sit direct onto steel. We specialise in all types of loft installations including loft ladders new and enlarged hatch openings loft flooring loft insulation lights loft storage rooms.

By tilski wed jan 20 2016 2 15 pm. This is part 2 in my series of loft conversion videos. Strengthening attic joists for live loads by sistering.