Cladding
TG&V

Tongue & groove cladding

Jointed sweet chestnut TG&V | VTG4

TG&V is shorthand for ‘tongue and groove with a v-joint’. TG&V cladding is a machined profile supplied with a smooth finish and an interlocking edge detail to create a waterproof façade. The TG&V profile creates a clean linear appearance which is ideal for contemporary new-builds and modern extensions to older properties. TG&V cladding is most commonly fixed horizontally although it can be fixed vertically.

Our standard range of TG&V profiles offers a choice of joint details to suit specific design requirements. Alternatively we can produce bespoke profiles to customer specifications.

All air-dried species can be machined to TG&V. The most popular choices are Siberian larch and Canadian western red cedar.

Technical specifications

Profile name TG&V
Profile code VTG1, VTG2, VTG3, VTG4
Appearance Classic
Surface finish Planed
Orientation Horizontal or vertical
Location External only
Length Random lengths from 2.0 – 4.0 metres, depending on specie
Dimensions
VTG1 – VTG3
Depth Overall Width Cover
20mm 95mm 87mm
20mm 120mm 112mm
20mm 145mm 137mm
20mm 195mm 187mm
VTG4 – VTG5
Depth Overall Width Cover
20mm 95mm 80mm
20mm 120mm 105mm
20mm 145mm 130mm
20mm 195mm 180mm
Profiles VTG1VTG2VTG3VTG4VTG5
Species
Available in
Larch Delete-icon
Western red cedar Accept-icon
Siberian larch Accept-icon
Canadian western red cedar Accept-icon
Jointed oak Accept-icon
Jointed sweet chestnut Accept-icon
Green oak Delete-icon
Elm Delete-icon
When to fix Year round. Ideally September to March
How to fix VTG1, VTG2 – face fix only. One per fixing board / batten
VTG3, VTG4 – secret nail or face fix. One per fixing board / batten
A gap of 2mm should be left between each board
Horizontal attachment
Begin at the bottom, ensuring that the first board is level with the grooved edge facing downwards. If the width of the board is 150mm or less, it can be attached with a hidden nail diagonally through the tongue.For widths over 150mm, the board should be face-fixed, using two (nails?) per board. Fixings should be spaced 65 –75mm apart to allow for some dimensional movement.Vertical attachment
Begin at one corner, with the tongue facing away, ensuring that the first board is vertical. Nail as with the horizontal attachment.

TG&V over 150mm_Face fixTG&V up to 150mm_Face fixTG&V up to 150mm_Secret nail 1TG&V up to 150mm_Secret nail 2

Batten thickness 35mm
Batten spacing 400 – 500mm
Nail length 50mm
Further information Click here for further fixing advice
Special or bespoke profiles up to 200mm wide can be provided. However, for external cladding, it is generally recommended that boards do not exceed 150mm in width.
While the utmost care has been taken to provide accurate information, Vastern Timber shall not be held responsible for any consequences arising from any errors or omissions on this website nor for any damages resulting from the use of the information.

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