The last option could get you in serious trouble, you may want to consider buying the specified beam. Either you get an engineer to approve your beam, you swap it out for the specified LVL beam, or you violate your permit. If he declines to allow you to use your beam, you have few options. That means for 10 foot roof span, the depth of ridge beam has to be more at least 8 inches while the width is 6 inches. 10 foot span For 10 foot span for roofing, the recommended size of ridge beam is 3-2×8 or 6×8 size of beam. My suggestion is that you discuss the issue with the inspector, with luck he will tell you exactly what you need to do to demonstrate that your beam is adequately strong. But remember this beam size is recommended for residential building. ![]() In ad-dition, lateral support must be provided at bearing points. A home made beam such as you describe is untested, and cannot readily be demonstrated to have a particular strength. A ridge beam or more specifically a structural ridge beam is a load-bearing element that acts as an independent support for rafters at the apex (high end) of the roof. The compression edge of the header or beam must be laterally supported at intervals of 24' or less. Division B:Acceptable Solutions Span Tables British Columbia Building Code 2018 Division B Span Tables Table9.20.17.4.-A Maximum Allowable Clear Spans for Lintels in Flat Loadbearing Insulating Concrete Form (ICF) Walls(1)(2)(3) (1-10M Bottom Bar) Forming Part ofSentences9.3.2.8.(1) and9.20.17.4. ![]() Scarf joint in plywood web no stiffener or splice plate FLOOR, WALL, AND ROOF. The user enters the member geometry, adds loads, holes and other relevant data and then selects a product for analysis. It is simple to use, yet flexible enough to analyze a variety of common applications. An LVL is an engineered structure, built in a controlled environment, and rigorously tested to make sure it supports the required load. lumber eliminating the need for cripples. BC Calc performs engineering analysis to help our customers size beams, joists, columns, studs and tall walls for their building projects. I am not certain you understand the difference between a home made beam and an LVL. Tables providing size selections for various beam spans and loading combinations for Southern Pine dimension lumber and Southern Pine glued laminated timber. ![]() Joists and headers for doors are quite different, there are typically standard sizes for room types and spans in the code. The only exception would be if there was a specific provision in the code that specified a particular size beam for a specific application, which is pretty unusual. My building inspector would never specify a beam, that would suggest he was accepting responsibility for the design, which he would not do. 2x12 2圆 2x8 2x10 2x12 Note: Deflection is limited to the span in inches divided by 240 for live load only.
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