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Exposure 1 Bond Durability for APA OSB Panels. All APA trademarked OSB panels are manufactured to Exposure 1 standards, equivalent to the OSB/2 classification in UK and EU standards for load bearing panels used in dry conditions.
- Rated Sheathing
APA rated OSB Sheathing for use in the EU and UK always has...
- Rated Sheathing
Exposure 1 panels may be used for applications where construction delays may be expected prior to providing protection or where exposure to the outdoors is on the underside only. Panels with exterior bond classification indicate the glue bond is suitable for applications subject to long-term exposure to weather or moisture. 4.0 Trademark.
9 maj 2023 · Exposure 1-rated panels and sheathing can withstand exposures to inclement weather during construction, but are not suitable for extended exposure. The grade stamp on each panel will indicate whether you are using Exterior or Exposure 1.
27 paź 2024 · APA rated OSB Sheathing for use in the EU and UK always has a bond durability classification of Exposure 1 as not for exterior use. Panels have one surface with an overlay, texturing or grooving. When material is removed to create the tongue, the panel widt hreduces by approximately 12.5 mm (1/2”), so net width may be 1206mm (47.5 inches).
Structural I is unrelated to the bond classifications, also known as exposure durability classifications, Exposure 1 and Exterior. These two designations signify only the moisture resistance of the panel adhesive bond appropriate to its intended end use.
APA-trademarked OSB is suitable for a variety of end uses including subflooring, single-layer flooring, wall and roof sheathing, sheathing ceiling/deck, structural insulated panels, webs for wood I-joists, industrial containers, mezzanine decks, and furniture.
OSB sheathing panels rated as Exposure 1 are designed for applications where long construction delays may occur or where high moisture conditions may be encoun-tered during their service life.
