The National Building code and ADA(American Disability Association) specifies a standard 1:12 slope design (4.67 degree angle) on all permanently installed wheelchair ramps. What this means is, for every inch of rise from the beginning of the ramp to the end of the ramp there must be at least 12" of ramp. So for a … Read more
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You need to determin how many qubic feet you have, not square feet. Here is how you do it.. Step1 measure the overall dimensions of your patio or concrete form. First take the width and then the length measurement. Next you will have to measure the depth of the form. Patios are generally about 4 … Read more