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Larch - Carbon Neutral Timber Cladding

Verified by manufacturer 3 months ago

ecovaclad

Siberian Larch has a stunning colouring and texture, starting life as a pale yellow/golden brown. Larch is also unique in that it features the shapes and patterns of its growth rings.

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Application

External cladding applications.

Description

Softwood timber cladding.


Features and benefits:

  • The shapes and patterns of its growth rings gives a ‘knotted’ wood effect.
  • Well suited to staining and painting.
  • Denser than many hardwoods.
  • A good solution for external cladding.
  • Suitable without treatments except for tall or exposed buildings.
  • Resistant to sapwood treatment.
  • Wide choice of standard profiles.


Moisture movement:

Wood’s moisture content will change relative to its surroundings. Different species have different degrees of movement and this must be accounted for in cladding design.


Good design and installation practice will help minimize the effects of moisture:


  • Use eaves and overhangs to deflect rain - or flashing to protect the board tops.
  • Finish cladding at least 200 mm from the ground or a horizontal surface. Where possible use a surface that diffuses rain, such as gravel.
  • Board widths should generally be 4 to 6 times board thickness (typically less than 150 mm).
  • Design detailing must include measures that minimise water penetration.

General information

Color

Yellow

Brown

Red

Material

Timber

Uniclass

Pr_25_71_97_84 Softwood weatherboardsPrimary

CAWS

H21/116 Horizontal timber weatherboarding

H21/115 Vertical timber weatherboarding

H21/10 Vertical timber weatherboarding

H21/111 Horizontal timber weatherboarding

H21/110 Vertical timber weatherboarding

H21/15 Horizontal timber weatherboarding

Specification data - Softwood weatherboards

Standard

To BS EN 350:2:1994.

Third-party certification

PEFC certified.

FSC certified.

Reaction to fire classification

-

Manufacturer guidance

Timber cladding is suitable for buildings of 18 m or lower. No combustible materials are permitted for cladding on residential buildings over 18 m high.

Wood species

Siberian timber.

Profile

-

Manufacturer guidance

Insert requirements.

Finished size

-

Face width

Manufacturer's standard.

Guidance for specification option:

Consult manufacturer for details.

Thickness

Manufacturer's standard.

Guidance for specification option:

Consult manufacturer for details.

Density

590 kg/m³.

Guidance for specification option:

Ranging from 570 to 650.

Colour

Yellow brown (golden brown), light brown, reddish brown (pale).

Fixings

Stainless steel/non ferrous metals.

Guidance for specification option:

Saws, machines and finishes well but can split on nailing

and therefore drilling is recommended particularly at board ends.

Durability

Class 3 (to BS EN 350:2:1994).

Movement

Small.

Strength

Medium.

ExpectedServiceLife

30 years (occasionally wet); 15 years (untreated, frequently wet).

Sustainability data

Embodied carbon

A1-A3 (production stage) as defined in BS EN 15804

9.15 kg CO₂ eq/m²

Self declared

Guidance for specification option:

The embodied carbon (kgCO2e/m²) in Ecova Clad Larch Timber Cladding has been independently calculated at 9.15 kgCO2e/m². This carbon is offset by Ecova Clad delivering a carbon neutral product.

Recyclability

100% recyclable

Literature

Larch Data Sheet

Larch Data Sheet

Profiles Range

Profiles Range

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