No, they are not compatible, even if some products may be put together mechanically. The load data provided with our products refer to the use of elements of the same make. Assembling different make components renders this data unreliable.
No, in the case of the Standard and Heavy Duty lines, the two connection kits (spigots or bolts) are not included with the trusses because the user can choose between bolts or quick-fit spigots. For consistency, the high load line trusses also come without connection kits.