Strengthening the sleepers joists

Stiffening of the sleeper with log struts.

Strengthening the sleepers joists

The purpose of the reinforcement is to stiffen the sleeper and to distribute the weight more evenly over all the joists. There are three main types of buff:
– reinforcement with struts;
– continuous reinforcement with a cross-section board 25 x 150 mm;
– oblique reinforcement – cross-brace.

Reinforcement with struts is made of the same material as the joists and introduces a very important stiffening and reinforcement to the entire floor structure. It is desirable in all load-bearing parts of the structure. They can be beaten staggered to facilitate driving nails.

Strengthening with a continuous cross-section board 25 x 150 mm, which is nailed to the legates at intervals 1,80 mm, is a simple and effective way to stiffen the floor.

The foundation is stiffened with a continuous board nailed to the co-joists 1,80 m.

Diagonal reinforcement (cross-brace) this is the most common and best method of bracing. Stiffening is performed in rows spaced apart from each other not more than 2,10 m (measured along the joists).

Diagonal bracing of the sleeper with diagonals.

How to make a diagonal reinforcement?
By accepting, that the sub floor joists are made of logs with a cross section 50 x 150 mm (the cross-section of the joist depends on the span) spacing between the joists (reinforcement spans) will be 35 cm. A template is good for cutting out the reinforcement crosses (square), on whose arms we plot two points distant from the zero point by 35 cm and o 20 cm. Each time the angle bar is applied to the log, it marks the diagonal edges of the cross.

Reinforcement of the slanting sleeper.