Matthew Henry on Exodus 26:15-30
Very particular directions are here given about the boards of the tabernacle, which were to bear up the curtains, as the stakes of a tent which had need to be strong, Isa 54:2. These boards had tenons which fell into the mortises that were made for them in silver bases. God took care to have every thing strong, as well as fine, in his tabernacle. Curtains without boards would have been shaken by every wind; but it is a good thing to have the heart established with grace, which is as the boards to support the curtains of profession, which otherwise will not hold out long. The boards were coupled together with gold rings at top and bottom (Exo 26:24), and kept firm with bars that ran through g…
Read the whole note in the consoleJamieson-Fausset-Brown on Exodus 26:15
thou shalt make boards . . . rear up the tabernacle according to the fashion . . . which was showed thee--The tabernacle, from its name as well as from its general appearance and arrangements, was a tent; but from the description given in these verses, the boards that formed its walls, the five (cross) bars that strengthened them, and the middle bar that "reached from end to end," and gave it solidity and compactness, it was evidently a more substantial fabric than a light and fragile tent, probably on account of the weight of its various coverings as well as for the protection of its precious furniture.
Adam Clarke on Exodus 26:29
Thou shalt overlay the boards with gold - It is not said how thick the gold was by which these boards, etc., were overlaid; it was no doubt done with gold plates, but these must have been very thin, else the boards, etc., must have been insupportably heavy. The gold was probably something like our gold leaf, but not brought to so great a degree of tenuity.
John Gill on Exodus 26:30
And thou shall rear up the tabernacle,.... When thus finished, and all the furniture belonging to it completed:
according to the fashion thereof, which was showed thee in the mount; this is the third time that this is observed to Moses in the account of the tabernacle; which shows how punctually God would have the pattern observed he had given him, and that all things might be particularly and exactly done according to it, see Hebrews 8:5.