smittyd said: Hello. What size lag bolts should I use when attaching 2x6's to 4x4 post that I have cemented into the ground? These 2x6's will be 

The rim joists of the deck are usually connected to the posts and to each other with bolts, but large diameter screws, called lag screws, also can be used. These screws should be at least 1/2 inch in diameter if they will support the weight of the deck, and the point should sink at least 1 1/2 inches into the stationary member.

A deck post should be compatible with the bolts that are provided, so it is important to choose the correct size. The most popular deck post sizes are 2″ and 4″ 

3/8" x 5" Galv. Hex Head Lag Bolts (4 pcs). These are manufacturer recommended fasteners for securing the 4x4, 4x6, 6x6 and 8x8 Titan Wood Post Anchors 

Step 4: If you are using lag bolts. Drill a 3/16 inch pilot hole through the deck post and into the rim joist. Four bolts should be sufficient. The holes should be symmetrical and be not less than 1 1/2 inches from the bottom of the deck post and not more than

Use these lag bolts and washers to attach your glass railing posts to any surface. Select the desired length and material above.

Lag bolts are an incredibly important part of a deck's structure. A deck should be properly lag bolted to the main structure to help prevent deck collapse.

It depends on the specific installation requirements and the type of deck post. In general,bolt sizes for deck posts are 1-1/4 inch (38.1 mm) in diameter, 

Lag bolts screws require you to predrill two holes: one for the threads and a larger clearance hole for the shaft. Structurally rated lag bolts screws are available, but most home centers carry generic versions of varying quality. All home centers carry a large assortment of lag bolts screw sizes.

Lag bolt assemblies for installing railing posts. Glass Railing Made Easy. Call 800-545-1275 8am-5pm PST. Request a Quote. Glass Railing Post - Deck Mount $89.80. Quick View. Post Base Plate $42.20. Quick View. Glass Railing Post - 135 Degree $106.95. Quick View. Post Base Plate 135 Degree $49.45.

Dec 07,  · Step 1 – Measure the Thickness of Your Lumber Materials You need to check the thickness of your lumber materials in order to get an idea as to the size and length of the lag screws that you need to connect the logs together. To do this, use a ruler to measure the thickness of the log then record the figures on paper.

In most cases, 5/16 inch bolts will be used. But for heavier builds, you should consider topping with a 3/8 inch bolt. Of course, the perfect 

Lag screws are used in the construction of all types of projects, from railway trestles to home decks. To build decks using lag screws, first you have to plan out your deck. Figure out where you want it and what the dimensions will be. Measure out the length, width and height.

May 05,  · 4 X 4's are no longer expectable in most areas and for sure not just attached to the outside of the post. And through bolts only. Must be one small deck if your only using 2 X 6's. That's the size I'd use for a stoop. Get a permit for this? GBrackins Registered Joined Apr 26, 2,915 Posts #3 · May 3, what is the purpose of the 2x6's? T

Through-bolts are stronger and should be used where possible. For the heaviest connections on a deck, such as where ledgers attach to the house or to posts, use 1/2-inch bolts or lags. Place large washers under the heads of lags and at both ends of through-bolts. Re tighten bolts and lags after the first year and check periodically for tightness.

However, for 1/2-inch lag screw, full penetration of 4-inches (8D) is only available for 6-inch long lag screw that so that the tip length extends through the stud. Yet, providing minimum edge distance of 1-1/2D (in wall stud) would not be practical for 1-1/2 inch thick wall stud unless lag screw is only 5/16-inch diameter.

On many older decks the 4×4 posts were notched and then lagged to the rim joist with 3/8 in. or 1/2 in lag bolts or structural screws such as LedgerLoks. More conscientious builders may

I didn't build the deck originally. To connect the new posts to the floor joists I used two Simpson Strong-Tie DTT2Z ZMAX galvanized 14-gauge 2x deck tension tie connectors at each post base where it passed next to the floor joists. Here's the connector I used on my own deck posts. You need two per deck railing post.

Also, a home's electrical panel must be at least 10 feet above any deck structure or at least three feet to either side of it. Rules like this may seem arbitrary, but they're in place for safety purposes, and to ensure reasonable access to key parts of your home. Don't set deck piers or footings above ground

To properly attach a deck ledger using 1/2″ lag screws, 5/16″ holes need to be pre-drilled through the ledger and rim joist. After that, a 1/2″ hole should be drilled through the ledger only. For specific spacing and installation instructions, you can turn to page 12 of the Prescriptive Residential Wood Deck Construction Guide.

Use these tips to get the sizing right for your deck fasteners: Decking: Fasten 5/4 decking with 2 1/2-inch coated screws or 12d ringshank or spiral nails. Railings: Attach 1x trim, rails, and cap rails with 10d, 8d, and 6d galvanized, finishing, or casing nails. Framing: Use 10d or 16d common, spiral, or ringshank nails (or decking screws) in