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I bought a 20" exhaust fan from Grainger - the 20" Dayton Shutter Mount Exhaust Fan (variable). I have installed it up near the peak of my ceiling to vent extra heat and quickly ventilate the space when needed. It is installed and works great. However, I am really surprised at how large the...

I have a pole barn with sheet metal roofing and it's all in very good shape. I am converting some of the space to interior, finished space, and so the ceiling of these interior spaces is currently the original plywood with the sheet metal lying on top of it. In that current configuration there...

I am building some larger sized hose bibs for large water volumes ... this particular hose bib is 2.5 inch. So I need some fittings ... nothing special, just a 2.5" galvanized elbow and a 2.5" "reducer T" ... The 2.5" elbow is pricing out at $65 and the reducing T (reduces to 3/4) costs $121...

I have two of these incoming: https://www.grainger.com/product/DAYTON-20-Shutter-Mount-Exhaust-Fan-1HLA9 (20" Shutter Mount Exhaust Fan - variable speed) I saw some industrial-looking, dayton branded fan speed controllers ... but I wonder, can I just use a plain old Lutron variable fan...

I am building a shop that will have a mitre saw on a nice long mitre saw table, and I assumed I would build one of those hoods behind it that connects to a 6" hose and collects everything coming out of it. However, it turns out there is a window directly behind the mitre saws eventual location...

I am installing copper lines in my shop for compressed air. I would like some nice, wall mounted air outlets, and these look like exactly what I want: http://www.northerntool.com/shop/tools/product_200366543_200366543 However, some (amazon) reviewers have alluded to these only working with...

I have the same breaker panel you probably do ... - crummy old primered metal sandwiching in chintzy, loose breakers - breakers show 1/3 red normally and 2/3 red when broken ... never all red or black. - no LED indicators for broken/unbroken - no load or voltage indicator ... in fact, no...

3000 square foot barn, concrete floor is scheduled to be poured first week of January. 2000 square feet of the barn - a "cross" of open area - will be unfinished space. You can close the barn doors, but other than that, it's essentially outdoor space (other than the roof on top). But each of...

Upper haylofts of my barn have 3/4 inch steel tie rods that criss-cross the cross section of the upper barn (of the hayloft itself). This is for rigidity and seismic and so on ... For a variety of reasons, we need to cut these, and because we don't want to dissect the roof, we don't want to...

At long last, our custom built 9" x 9" perma-columns, 7 feet long, will be delivered on Monday. I am mating them to 8x8 rough dimension columns that have rotted at the bottom. Some tactical questions about their installation ... First, how can we hold the 700 lb concrete columns up to the...

Timber connectors ... 1/4 inch steel plates, like this: http://www.americanpoleandtimber.com/img/truss-connection-steel-bolt-BIG.jpg Sometimes I see people use washers behind their nuts and bolts, and sometimes I don't. I don't see any pattern and I don't know of any reason to washer or not...

There's been a few threads here about compressive, axial load and engineering aspects of perma-columns - thanks for the help and answers there. I had two problems though that were more mundane: 1. My existing poles are rough-cut 8x8 2. My poles go down 8 feet (we live two miles from the San...

(Thanks to this forum and its community - much appreciated) So ... a perma-column is basically a "post extension" and you could make a post extension in a lot of ways. A concrete post extension (perma-column or DIY with sonotube) or a steel beam post extension ... or even just another piece of...

I have a few rotted poles in my pole barn ... and am considering pouring concrete piers and sinking some W6x15 steel beams to replace them. Just to be sure, I am comparing the compressive axial load of the two and making sure my instinct (that the I-beam is *much* stronger than the 8x8 doug fir...

Hello, Let's say I have an 8x8 pole in the ground. Now let's say I drill a 1" hole through the pole at my chest height (hole is 8" through). Now let's say I walk a quarter turn around the pole and drill *another* 1" hole through at the same height. See the problem ? Now, instead of a 8x8...

3100 square foot pole barn with a dirt floor ... getting ready to pour a concrete slab underneath the entire thing. Going well. I am trying to brainstorm what I will want to put under/into the floor ... so far I'll have an electrical inlet coming in from a PVC riser ... as well as water inlet...