Oriented Strand Board (OSB) Sizes OSB panels are available in a variety of thicknesses and sizes. ... Wickes solid Oak narrow stave Hobby Board's add the finishing touch to various projects around the house. A homeowner recently wrote and asked me the following regarding OSB roof decking: Q. It is ideal for use in residential and light commercial construction, with the span, impact resistance and uniformity to keep your jobs running smoothly. Length. �b��*���ђ4A��U(Ѫ�G'I����:*!z�$�lT&���a�5���q�|�k��drX(���nխil��\=v�|���k�(1P#������5� Your email address will not be published. A building can be a tough decision. Call 866.200.9657 for a free consultation now! The experimental value of water resistance factor determined in accordance with BS EN ISO 12572 : 2001 (wet cup) for the 9 mm thick Sterling OSB/3 board is 219. Just like OSB 3, OSB 4 is also used in harshest/humid conditions. Oriented Strand Board (OSB) Sizes. TechShield Radiant Barrier Sheathing 15/32 CAT PS2-10 Radiant OSB, Application as 4 x 8. Founded by J.A.Hansen, Hansen Pole Buildings, LLC, was formed as a limited liability corporation in 2002, as an internet-based business providing custom designed, high quality pole building kits at affordable prices. Look at our collection of building photos for creative ideas! $@%f:y�_������T?aӉW��$��R��L[_�T�iĨl �@P ����Yё���\MND�r6Ji��b$���%R�k+��jЅj�]�L����D7��J���B=��F�,s.�;�-�=+�y#�6����u�K1�C�ہ�-h��RT�f%�5Ŧ�����=::MCт�`ˣp�����ڝ��zB��*==n�ȿP��A�ja�/�x�z��g��z� The Performance Category determines the official minimum and maximum tolerances for a panel’s thickness, when it is produced in line with the specifications of US performance standard PS2-18. Thickness 11 mm. 28 0 obj <>/Filter/FlateDecode/ID[<32F7D9CC4D47B9E52675B806848BF73E><6DCEBAC53741C943A63DD9CED9311CD0>]/Index[10 28]/Info 9 0 R/Length 87/Prev 62834/Root 11 0 R/Size 38/Type/XRef/W[1 2 1]>>stream Oriented Strand Board (OSB) quantity. Can APA plywood and OSB … x 8ft. My question is what thickness of OSB should I use? With this thickness any deflection under dead loads only (the weight of materials only) should prove to be imperceptible. DPI Markerboard Panel (3-Pack) Medium Density Fiberboard (Common: 3/4 in. Wickes General Purpose OSB 3 Board - 11mm x 1220mm x 2440mm (481) £18. Thus, for example, a 2400 x 1200 x 12mm panel will weigh approximately 20 kg. As long as the thickness of the board does not increase by more than 20% then it has passed the test and is good to go. 10 0 obj <> endobj For the curious – 7/16” OSB has a span rating of 24/16 and with supports every 24 inches is good for a roof live load of 40 psf (pounds per square foot) with a 10 psf dead load. Farm Storage Buildings and Equipment Sheds, More High Wind News – Pole Buildings Can Withstand Strong Winds. to help guide you in the design of your new pole building. OSB panels are water resistant, although they do require additional membranes to achieve impermeability to water and are not recommended for exterior use. Deflection is the dictate here – the IBC (International Building Code) allows for maximum deflection of a shingled roof to be l/180 for live plus dead loads or l/240 for live loads only. The thickness required by Josh’s circumstances are good for roof snow loads of up to 70 psf (again spanning 24”). Pole Building Prices: Beware when you compare, Tornado Proof: Pole Buildings Can Limit Damage. Oriented Strand Board Oriented Strand Board (OSB) is a material Oriented Strand Board (OSB) is a material with high mechanical properties that make it particularly suitable for load-bearing applications in construction. Available in. Keep in mind, these are the maximum allowable deflections – which means under a full design load you can expect to see a deflection (sag) between the purlins of over 1/8″. Page 3 of 7 V1.0 – 01/2008 Table B Relationship Between Span Rating and Nominal Thickness for OSB(a) Nominal Thickness(b) (in.) h�bbd``b`j~@�q3�`N,= �ĝR�`��XA�H6��H���d' ��5@Bv#�L�F��;? If you are using 3/4-inch Sturd-I-Floor plywood, … 11 mm 1. Types of Sheathing Typical types of wood used for roof sheathing are oriented strand board, known as OSB, and plywood, the most popular being OSB. Chipboard (5) OSB (4) Length. 1,220 mm (1) 2,400 mm (6) 2,440 mm (2) Width. There is a different series of colors and marks for each thickness, as well as marking it as being OSB. £5.73 per SQM. ̌�O�f���c�R�� 0 0� The thickness required by Josh’s circumstances are good for roof snow loads of up to 70 psf (again spanning 24”). The roof has no waviness/sag in it. For heavier loads – a 40/20 rated panel (19/32” or 5/8”) will support a 130 psf live load and 48/24 rated panels (23/32” or ¾”) are good to175 psf! Do You, or Anyone Else You Trust, Build In or Near (fill in the blank). Range. x 47.75 in.) OSB has the appearance of giant cornflakes pressed together to form structural panels in sizes similar to plywood, such as 4' … x 47.75 in.) ... (OSB). I saw 7/16″ in Appendix VI in your guide, but wasn’t sure if that was adequate in my case. The glue used is PF (Phenol-Formaldehyde). The most common panel size is 1220 x 2440 mm (4 x 8 ). 9 Products. 590 mm 1. 9 mm (1) 11 mm (1) 18 mm (5) 22 mm (2) Manufacturer Name. Greater distances and loads require thicker boards. kݚ�%r�F)�;��дJ��)�:5O�p���Pg�I59ᡥdRO��h���yd��D���M���4L5��ֈ��p^�m}�o:� Thickness 18 mm. x 23.75 in. construction and industrial applications, but specifically designed for wall and roof. Keep in mind, these are the maximum allowable deflections – which means under a full design load you can expect to see a deflection (sag) between the purlins of over 1/8″. 9 mm 1. Oriented Strand Board (OSB) Thickness. h�b`````2g �nj� �ga�h@�b�2~�*�5��;41�3Gp/a`�Ǡ���[�q 1 decade ago. For the curious – 7/16” OSB has a span rating of 24/16 and with supports every 24 inches is good for a roof live load of 40 psf (pounds per square foot) with a 10 psf dead load. Thickness 8 mm. Panel sizes commonly available are 2440mm x 1200mm, 2440mm x 1220mm and 2500mm x 1250mm in thicknesses of 6mm to 40mm. Typical densities are 600-680kg/m_. OSB Defined OSB stands for oriented strand board. 1/8 in. ... Chipboard & OSB. Of course these loads will only be experienced with a roof covered with snow, which means you are not able to see the sag. 7/16 in. You need to find a sheathing with a span rating of at least 32/16, which means either 15/32″ or 1/2″ thick OSB. If deflection (sag) is a concern, there is really only one time to decide to err on the side of conservatism and go with a thicker panel – before you make the investment! With edge support and the same snow load, 3/8-inch OSB can be used. �&��Ϲo_�a-~K�9�S�Y 8.7 In accordance with normal good practice for wood-based sheathing materials used in cold frame construction, external walls in which the product is incorporated must include an effective vapour control layer on the room side, suitable … Thickness. 37 0 obj <>stream sheathing and subfloor. Width. Y(���|™�V�$V&���>w�ICCK}��݅I�A�c�Z�bm�����+@��b�9��=�#��S4w>`�R�h|��B������X�xס�1{&Uhk�k�X�G@�8�q��Nf�@fFRP�Q�(�x����ʚ���2a����0 #g�op�O���*�P��v���4,\��!ڜK�W9��p]������V��P>d&"7�D4ݵO��Q�ڂ"w��U�]�~H�b�ϟ®r5����N���S�bJW�.��U���c�}9�)"��+, %PDF-1.6 %���� “My pole building is going to have asphalt shingles. I’ve seen a lot of random chit chat on forums about roof sag and such, but none of the posters seems to have any substance to back up their “guesses” about what is really adequate. 18 mm 2. The tables in the Code itself do not cover your live load, so a trip to the TECO® OSB Design and Application Guide tables is necessary. A typical 4’ x 8’ sheet of 1/2-inch Particle Board weighs around 66 lbs. The thickness required by Josh’s circumstances are good for roof snow loads of up to 70 psf (again spanning 24”). Thickness 10 mm. The extremely rigid high-tech panel. What you are seeing is not just prevalent amongst less expensive homes/buildings – so much construction is “built to Code” without a thought to Code being the bare minimum it takes to get by. OSB Sheathing 15/32 CAT PS2-10 OSB Sheathing, Application as 4 x 8. x 2 ft. x 4 ft.; Actual: 0.435 in. %%EOF thicknesses of 1/4, 5/16, 11/32, 3/8, 25/64, 7/16, 29/64, 15/32, 1/2, 19/32, 5/8, 11/16, 23/32, 3/4, 7/8, 1, and 1-1/8 inch. Item #70213 Model #22486.0 In large-scale commercial construction, it has largely replaced softwood plywood in wall sheathing, roof sheathing, and subflooring applications. Panels might also be available in imperial sizes of 4 x 9 L and 4 x 10 and can also be made to a metric size … Read More…. H�dU9��0�s�\@)kWS�:���c���M��)�$��=>>�~8��Zz�����. Blue Ribbon® OSB sheathing panels contain no core voids, knots or splits and provide a quality base layer for wall and roof sheathing applications. endstream endobj 14 0 obj <>stream My solution when I built our garage was trusses on 19.3 center (the Canadian std) and 5/8 osb. This number is known as a span rating. You need to find a sheathing with a span rating of at least 32/16, which means either 15/32″ or 1/2″ thick OSB. Oriented Strand Board (Common: 7/16 in. endstream endobj startxref Concrete Footing: How Thick Should it Be? Performance Category for Panel Thickness. Thickness 9 mm. Deflection is the dictate here – the IBC (International Building Code) allows for maximum deflection of a shingled roof to be l/180 for live plus dead loads or l/240 for live loads only. Oriented Strand Board is a widely used, versatile structural wood panel. In these cases, the right board thickness depends on the spacing of the supporting elements of the substructure. ���@���ćt�ʻ)@�ج+@�Y��C*M�ͶAs�EC �o� ��Y�P2�$�����*�$i4�B;��I�{����.���/+�����_t��t�e B::B��o�nU�!��_��!����_7�s������ᵺf� ��|1���$>��W��|�z!� ˋ���*��f�}�h���g��Xn/�m�O�붹��Q״ ��eŇzK�]]�g�7��Y׮�e5�iX}��~[�Eu;�e���@���n�&&x5��?T�[ζ���]�?=��>�)��o�.v���pӦ9��d����)����m��1Q�a�].����s���q�?֖�Ө�� �rr����� L�6h#���X� As a result, OSB floors are more … Thickness 15 mm. Nominal Thickness. Your email address will not be published. The tables in the Code itself do not cover your live load, so a trip to the TECO® OSB Design and Application Guide tables is necessary. 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Canadian std ) and 5/8 OSB by Josh’s circumstances are good for roof snow loads of up to psf. ) OSB ( 4 x 8 ) as a heavy-duty load-bearing oriented Strand Board ( OSB ) are equal strength. Plywood in wall sheathing, roof sheathing, and subflooring applications support and same! ( 3-Pack ) Medium Density Fiberboard ( common: 3/4 in a 50 # load! Plywood, this OSB Board is a decorative high-tech product made from natural wood although! ) is a different series of colors and marks for each thickness as.