12/22/2023 0 Comments Lvl span tables weyerhaeuser![]() They are often minimally supported with the floor framing a few inches above the ground surface. Garden/utility sheds have few requirements regarding placement or support. If that clear distance cannot be maintained, then preservative treated framing material must be used to prevent decay due to long term exposure in high moisture conditions near the soil. Residential building codes generally require a minimum clear distance between the floor structure and the ground surface below. ![]() Environmentally, however, the applications can be radically different. As a result, this application is outside the scope of the Weyerhaeuser Warranty.įunctionally, the panels perform the same whether installed on residential floor joists or garden shed floor joists. Weyerhaeuser OSB panels are warranted against delamination when properly installed as single-layer flooring(a concept generally associated with living space in a finished structure). And as a secondary question, do we have any coating recommendations to seal the top surface against contaminants (from stored equipment gas/oil leakage since there are no finish surfaces on top of the OSB deck). Weyerhaeuser is occasionally asked if our OSB floor sheathing panels such as EdgeTM or Edge GoldTM are warranted for use in premanufactured garden sheds. The maximum allowable hole is 6 diameter in a 16 deepTJIjoist.įor joists that arenot uniformly loadedor otherwise do not fit the parameters of the technical bulletin, please contact Weyerhaeuser Technical Support. The applicability of this repair is based on hole size, joist properties, load and on center spacing. Technical Bulletin TB-817 provides a possible repair for round holes within 12 of the face of an end bearing. All holes larger than 1 must be spaced at least 12 from the edge of the holeto the inside face of bearing.Īlthough cutting holes larger than 1in TJIjoist webs near end bearings is notpermitted in the table, we recognize that this condition does arise. This chart allows holes 1 and smallerto be drilled anywhere in the web outside of the hatched zone. The hole chart on page 9 of the TJI Specifiers Guide show the allowable locations for various size holes based on joist depth and spacing foruniformly loaded joists.
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