Question 1

What is the difference between loglap and shiplap cladding?

Accepted Answer

Loglap boards have a rounded, convex face that gives the appearance of stacked logs, which is typical of traditional Scandinavian cabin construction. Shiplap boards have a flat face with a rebated overlap. Both use a tongue and groove joint, but loglap gives a more rustic, three-dimensional finish.

Question 2

Does the pressure treatment mean I don't need to apply a finish?

Accepted Answer

The pressure treatment protects the timber against rot and fungal decay, but it does not seal the surface against moisture absorption or UV fading. Applying an exterior stain or preservative finish will extend the service life further and keep the boards looking their best for longer.

Question 3

How many boards do I need to clad a garden building?

Accepted Answer

Work out the total surface area of your walls in square metres, then divide by the effective cover of 0.108m per board to find the number of linear metres required. Add 10 to 15 per cent for waste, end cuts, and any damaged boards. Our team at Nottage Timber Merchants are happy to help you calculate quantities before you order.

Property	Detail
Material	Scandinavian Redwood (Pinus sylvestris)
Treatment	Pressure treated
Profile	Loglap (tongue and groove)
Nominal Size	22mm x 125mm
Finished Size	Approx. 18mm x 120mm
Effective Cover	Approx. 108mm
Lengths Available	4.2m, 4.5m, 4.8m, 5.1m
Use Class	UC3 (above ground, outdoor exposed)

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Loglap Cladding

Treated Redwood Loglap Cladding 22mm x 125mm