Cladding profile · Recommended standard

Shadow-gap half-lap (Z half-lap)

Inflamed's recommended standard exterior cladding profile. The half-lap creates a closed joint with a crisp shadow line, suited to ventilated rainscreen façades.

Specification

Shadow-gap half-lap (Z half-lap) specification

Profile code	Available on request
Application	Exterior and Interior
Installation orientation	Vertical or Horizontal
Board thickness	Larch: 21 mm · Spruce: 19 mm · Accoya®: 20 mm · Japanese Cedar: Available on request
Overall width	Larch: 95 / 120 / 145 mm · Spruce: 95 / 120 / 145 mm · Accoya®: 146 / 196 / 242 mm · Japanese Cedar: 145 mm; alternative widths on request
Effective cover width	Available on request
Joint / shadow-gap dimension	Available on request
Available lengths	Larch: 3,000 / 4,000 / 5,000 / 6,000 mm · Spruce: 3,000 – 6,000 mm in 300 mm steps · Accoya®: 2,400 / 3,000 / 3,600 / 4,200 / 4,800 mm · Japanese Cedar: 3,600 / 4,200 mm
Compatible timber species	Larch, Spruce, Accoya®, Japanese Cedar
Fixing method	Face-fixed with stainless-steel screws (A2 for standard environments, A4 for coastal or high-humidity environments), two screws at every fixing point.
Specification note	Recommended exterior profile. Closed-joint construction over a ventilated and drained cavity.
Revision	Not yet issued
Last updated	8 October 2026