DIY Tips
Internal and External Solid Wood Cladding / Weatherboarding H21 – 110 Vertical Cladding Fire Retardant Treated Siberian Larch.
3 September 2020
•2 min read
•Updated 25 March 2024
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- 40x180mm – Siberian Larch Elliptical louvre, Brise Soleil Solar Shading
- Internal and External Solid Wood
WOOD SPECIFICATIONS
- Durability: Heartwood Selected for durability see SertiWOOD Heartwood only Grading
- Density: (mean, Kg/m³): 590 (Ranging from 570 to 650)
- Moisture Content: AVG 12% for Internal Walls and Ceilings & 18% for Exterior Cladding
- Timber Quality: Grading Classification: BS1186-Part 4 Class 2/3 SertiWOOD Graded
- Sustainability: Full Chain of Custody FSC Certified Supplier Current Certificate No INT-COC-003944.229
- Fire Treatment: Reaction to Fire B-s1; d0 classification according to EN 13501-1
METHOD OF TREATMENT
Pressure impregnation and kiln dried with sustainable biodegradable treatment Burnbloc and expected service life minimum 30 years+ ( fire treatment durability data partially exposed )
CLADDING PROFILE SPECIFICATION
- Profile Code: 30680276 (Tongue and Groove Deep Shadow Gap Secret Fix Profile)
- Overall Board dimensions: 28x70mm
- Tongue and Groove Shadow Gap Secret Fix Profile (Hidden Fixings)
- Profile Orientation use: Vertical or Horizontal (for horizontal cladding profile tongue faces up)
- Cladding Length Specification- supplied as 4.0mtr lengths to minimise waste
CLADDING FINISH
Can be left natural or factory pigment coloured/stained Clou range based on Scandinavian trends
FIXINGS
- Stainless Steel Screws 45mm long x 4.0mm long fixed at 400mm centres
SUPPORTING TIMBER BATTENS
- Horizontal Battens 45×45 for exterior cladding with slope towards cavity exterior battens to be preservative treated to UC3
LARCH CORNERS AND TRIMS
- 42×42 Square section
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