Some math helped by the former mechanical engineer at work showed that x2 5/16' (one on each end) should be more than enough to support triple my needs and I may go with 3/8' or 7/16'. Without including the weight of the wood, I currently have about 300lbs of books. 12' from the edges for ideal support (at least that's what I believe is the distance based on the study he did - see attached - it's been a few years since I went over this with him). 48' wide, 12' between each shelf, five shelves (six if you count the top which will be against the ceiling), and a computer model (done by a former mechanical engineer co-worker) shows that the threaded rod should be placed approx. Paulin 8 x 1-1/2-inch Pro Deck Screws Brown 1500 pcs/box.

The wood (as mentioned) is Poplar, 1 and 1/16' thick, 11.25' deep, approx. Cap-Tor xd screws are specifically designed to fasten composite and PVC decking. The dados are more for look since the rods will support the shelves. Also, this bookcase will be suspended with threaded rod. 2' length for 4/4 and 5/4 decking. The small trim-head size and neutral color also makes Kreg Deck Screws great for a variety of other outdoor projects.

The star head and the self-drilling design provide a fast drive while. Made from solid stainless steel for ultimate corrosion resistance, these Deck Screws are case-hardened for superior strength without snapping. I'll figure out which option I'll go with, but I have already bought wood fill, but, as I said, it was a question more about bleeding through than options. KTX Square Drive Pan Head Stainless-Steel Deck Screws (700-Pack). Construct firm fences and decks with this pack of Deck Mate flat-head wood screws. My main question/concern was which screw(s) can possibly bleed through wood fill (I am aware pegs may be a better option). DeckMate Exterior Screws offer a comprehensive finishing system & are ideal for deck, fence & exterior wood projects. Just to show how GREAT it is to NOT have carpet.I have my boat covered now.just got 10 inches of snow on Fri.this is the 3rd major winter storm.I opened up the cover last weekend.everything is nice and dry.no moisture on the deck anywhere.when it had carpet.even after the whole winter.some areas NEVER dried out.because of the damp climate here.so I say.NO to carpet.!!! Yes gelcoat is hot in the summer but since we fish too we never get in the boat without sandals.boat looked into pocket screws and various options. Star Drive Self-Countersinking Flat Head ACQ Compatible Gray Composite Deck Screws (350 per Pack).

I coated them with 2 coats of an oil finish before I installed them just to add. I used ss on mine.but for laughs.the FW factory installed the deck with hundreds of ck not bonded to stringers.and that lasted probably 12 years or so before the rot started to get bad.I used a combination of 3M 4200 and the ss screws.then had a shop do the final 'glassing and 's gotta last longer than the crap job the factory holes.carpet to hold moisture. The top-selling product within Deck Screws is the DeckLok 10 x 2-3/4 in. I redid my deck 2 years ago with regular pretreated deck boards from home depot. Re: Deck scews, can I use coated deckmate screws?

Home depot stainless steel deck screws