1 New stairs-use a spatula to apply sufficient compound to inside of nosing to eliminate any gaps between nosing and stair. 2  Apply appropriate R.C.A. 3  Stair Tread Adhesive to the step and balance of part being installed. 4  Let dry 10-15 minutes.
What does the tire tread do? On a normal, smooth road, the tread has only limited influence on the riding properties. The grip generated by the tire on the road is almost exclusively the result of the rubber compound. Unlike a car, a bicycle will not aquaplane. The contact area is much smaller and the contact pressure is much higher.
Mechanical engineer working in automotive here. Car tire treads move water from the center of the tire to the outside edges. Many but not all motorcycle tire treads do the opposite, taking water from the outside edges and moving it towards the center. Sometimes the front and rear have opposite thread patterns.