Total Sheds
Cladding
16mm nominal shiplap board, standard on every timber building.
Shiplap is the board British sheds grew up on, and we kept it for good reasons: the tongue-and-groove overlap throws off rain, the profile stays flat across a wall, and it takes colour beautifully. We run it at 16mm nominal rather than the thinner boards budget sheds use, and every length is pressure-treated before it's cut — so the protection lives inside the wood, not painted over the top.
Dimensions
16mm nominal (around 12mm finished) tongue-and-groove shiplap board
Shiplap board shown in cross-section — the tongue-and-groove overlap that sheds rain.
Every standard timber building in the range is clad in 16mm nominal Tanalised shiplap — tongue-and-groove board with the traditional overlapping profile. "Nominal" is the sawn size before planing; once machined smooth and cut with its tongue-and-groove edge, the board finishes at around 12mm. Every timber manufacturer works this way, but most only quote the bigger nominal figure — we publish both so you know what you're actually getting.
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