Areas of application include:
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Upgrading residential properties
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Renovations
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Distributor of wood-fibre insulation
Insulation solutions for external walls
BENEFITS
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Water resistant sarking & sheathing for external wall uses
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Excellent thermal + sound proofing insulating properties
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Boards can be exposed to the elements for up to two months
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Vapour open. Allows trapped moisture in the wall fabric to escape
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Reduces thermal bridging in the building elements
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Tongue & Groove on all 4 sides preventing unwanted air drafts
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Provides structural strength to the building element
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Excellent fire resistant qualities
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Easy to cut & install
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Suitable for a natural render finish
Discover the sarking & sheathing wood-fibre insulation board for above roof rafters / external walls
We carry the Universal, Duo Dry and Special Dry wood-fibre boards from Steico. These boards are classified as sheathing and sarking boards, meaning they can support a load, and are also rain proof. i.e., water-repellent. Rainwater’s surface tension cannot break through sarking boards.
The wood-fibre permeable board come in different densities, thermal conductive levels, and thicknesses. (Range from 22mm - 240mm)
Boards are available in the "wet" or "dry" mfg process. (Learn more)
Sarking & sheathing render carrying boards
If you wish to render your external wall, the Steico Duo Dry board is a combined sarking and render board. It is a waterproof board that can be finished with a natural lime or silicate vapour permeable render.
The boards secured to the building frame using large head specialised screws with a plastic washer.
Installation process is easy
Check out this video of a rigid insulation board being installed over rafters
Wall Fixing methods
Boards fixed over a timber frame
The sheathing boards can be temporarily secured to the timber frame with typical wood screws. Battens can then be fixed over the boards and secured into place with timber screws.
For rendered boards
If you are planning to render the board, they can be secured to your timber frame using large head stainless steel staples or specialised screws with a plastic washer.
Need more information on how to install the boards ?
Click on the image to the right to download the Installation Guides: Rigid insulating Sheathing & Sarking boards.
You can find the Product datasheets in our Downloads page.
