How To Anchor 4x4 To ConcreteWhen you pour concrete footings, hold the cardboard concrete form tube about 12 in. Attach Flange to Anchor Bolts - Place the flange on the bolts and hand tighten the bolts onto the flange. Using a wrench key to drive screws. You need a bit that is no wider than the anchor. An easy way to locate and drill the holes for the anchors is clamping a short piece of 2x4 to the side of the 4x4 post to hold it temporarily at the desired height. There are quite a few designs and I prefer to use ones that allow for a little adjustment of the post base if the anchor bolt is not in the exact perfect location. If it’s too wide the anchor won't grip tightly enough in the cement and your posts will wobble. The connector has holes on the bottom to accomodate screws or anchors. 4x4 Wood to Concrete Post Bases. How long will a 4×4 post last in concrete?. You can mount the 4×4 post base on the surface of your concrete slab if you have more than one point of support on your post. Use again the hand level, in order to make sure the post is perfectly plumb. Learn how to install different types of anchors in concrete and brick, using a hammer drill. The quickest and most secure way to mount a wooden 4x4 or 6x6 deck post to an existing deck surface is via a Titan Post Anchor. An easy way to locate and drill the holes for the anchors is clamping a short piece of 2x4 to the side of the 4x4 post to hold it temporarily at the desired height. They also give you a little bit of wiggle room in case your centers are off a little (within reason). It’s best to place a long 1/2-inch anchor bolt in the wet concrete that will be used to bolt down a heavy galvanized metal deck post base. Concrete Deck Blocks Instead of Footings. while your shopping, Get a bit/bits sized to match the outside diameter of the anchors that will drop into the holes you drill, might have to. Introduction How To Set Pressure Treated 4x4 Wood Posts In Concrete (VERY STRONG!) The Honest Carpenter 722K subscribers Subscribe 11K Share 783K views 4 years ago. Tgose drop in anchors will be acceptable. I bought some self-tapping masonry screws and they worked great. These metal bases are often used for railings on steps in residential areas. Another way that involves less strain and hard work is to glue the plywood to the concrete. 4 x 4 nominal lumber. Use string to align the posts with great care and plumb the posts with a spirit level. See more Reply Save Like R rocket flier · #4 · Jan 20, 2012 Soundguy said:. Use long screws to screw new 4x4 piece to existing 4x4. The side entry steps & landing of my recently purchased house need to be replaced. Hope for the best on the levelness of the driveway. 4x4 Post on Concrete: 3 Definitive Guideline">How to Install 4x4 Post on Concrete: 3 Definitive Guideline. Clear out old anchors. Finishing would find you laying on your belly and reaching down into the hole to get this concrete smooth and level. What's the price range for 4x4 Wood to Concrete Post Bases? The average price for 4x4 Wood to Concrete Post Bases ranges from $10 to $150. If you don't own a hammer drill and carbide masonry bits you can rent. If you don't mind the hardware showing you can use a connector designed to bolt a 4x4 to a poured concrete footing or pier. ABA ZMAX Galvanized Adjustable Standoff Post Base for 4x4 Nominal Lumber. You just hammer into ground, insert 4x4 and lag bolt it. What is the best way to attach 4x4 posts to a concrete patio?. Use pressure-treated lumber skids attached underneath the posts, adding sand/gravel. deck is absolutely solid with no movement whatsoever. Place the two-by-four in its desired location. Do this by nailing the sides of the tube to the center of a tic-tac-toe grid of 2x4s at the top of the hole. 5 feet deep to secure the posts firmly. Simply drill a hole into the concrete, hold the fixture you’re fastening over the hole, then use a hammer to tap the anchor. I think the best way to attach it is to put three 4x4 posts into the concrete (one in each corner) and attach the 'old fencing' to the posts. Mark the location for the anchor centered on the two-by-four stud. Then dump concrete through the tube into the bottom of the hole. Use lag bolts or screws to attach the metal post bracket to the concrete. Drill holes into the concrete that are the right diameter for lead shields using a masonry bit in a hammer drill. Get free shipping on qualified Wood to Concrete Post Bases products or Buy Online Pick Up in Store today in the Building Materials Department. Step 2 - Drilling For drilling to the cement, attach a concrete bit to the drill. I've watched many videos on how to install 4x4 wood fence posts and they all make the same mistakes: they set wood posts in concrete flush with the ground with. If you don't own a hammer drill and carbide masonry bits you can rent them. The side entry steps & landing of my recently purchased house need to be replaced. Place 2x4s For Sliding The Floor Over With your holes dug, place your treated 4x4 posts in the ground. If you don't like the look of the gap underneath, fill it with a fine bead of gray caulk. 4x4 Plastic Post Anchor Model Number: 858760 Menards ® SKU: 1127900 Final Price: $10. Learn how to install different types of anchors in concrete and brick, using a hammer drill. Let end of 4x4 rest directly on cement, paint the end with exterior finish for some extra moisture protection. For drilling to the cement, attach a concrete bit to the drill. How To Set Pressure Treated 4x4 Wood Posts In Concrete (VERY STRONG!) The Honest Carpenter 783K views 4 years ago How To Attach A Timber Frame To Concrete Foundation - Pt. To say it another way, the cement piers are 5 or 6 inches below grade. Insert the top portion of the post anchor into the opening, and then drive the included fasteners through the pre-drilled openings. to Attach a Wood Post to Concrete. How To Set Pressure Treated 4x4 Wood Posts In Concrete (VERY STRONG!) The Honest Carpenter 783K views 4 years ago How To Attach A Timber Frame To Concrete. Let end of 4x4 rest directly on cement, paint the end with exterior finish for some extra moisture protection. How To Install A Fence On Existing Concrete SWI Fence 11K views 8 months ago Best way to drill a hole in cement or masonry in 5 minutes and screw it down HK Media 170K views 2 years ago Attaching. 1:3 is a good rule of thumb for anything carrying lateral loads. Add concrete into the hole and around the 4" x 4". Use wedge anchors to fasten studs to concrete. Drill pilot holes through the posts and. 67 The 4 x 4 Plastic Post Anchors are used to Surface mount 4 x 4 wooden posts on a deck or concrete for railing, support posts or decorative applications. How to Bolt Into Concrete: 11 Steps (with Pictures). Put your drill into hammer mode by flipping the switch on the side of the tool. For example, if you’re using a expansion anchor, the hole should be slightly deeper than the length of the anchor. com/Mayne-580D-BKref=sr_1_1?ie=UTF8&s=hi&qid=1281016705&sr=1-1. Post and column bases secure the bottom of posts or columns to concrete and are perfect for decks or patio covers. Deck Post Bases to Concrete. But since you are dealing with hardened concrete you will have to drill a hole and use an anchor bolt, or epoxy in a regular galvanized bolt. Also if the concrete was over worked during prep you'll have a very week top coat of just cement prone to cracking. Add concrete into the hole and around the 4” x 4”. i used 4x4 post on simpson strong tie ancor into concrete pier. They make anchors for 4x4's that are commonly used for mailboxes. To attach a wood handrail post to concrete: Mark the location of the holes in a metal post bracket on the concrete. Insert a 3/8-inch masonry drill bit into a hammer drill. Insert anchors perhaps then secure with an adhesive. Step 2 - Drilling For drilling to the cement, attach a concrete bit to the drill. Begin by drilling holes in the. Anchoring steel post to concrete floor. Question: How To Anchor 4x4 Post To Concrete?. i was also worried about lateral movement due to no ledger. Looks like the holes in the plates are too small for wedge type anchor w the same size bolts so you may need to drill them larger first. The latter are thinner and would allow finer angle adjustment. Pending on the contractor you may find the concrete to be shallow or not to thick, so be careful not to over torque anything you put in. You can make your own "rod-and-ring" system: the rod is a length (about 12-16") of 1/2" galvanized pipe; you hammerdirill a 7/8" hole down thru the concrete, and a matching hole, centered, up into the bottom of the post, about 4-6" deep. For a post to rise up to 12 feet you will need a hole that is at least 3. The best way to know you’ve drilled far enough is by marking the bit at the required depth. With your anchor attached, fasten the anchor to the deck. Concrete Screws for Projects. 67 The 4 x 4 Plastic Post Anchors are used to Surface mount 4 x 4 wooden posts on a deck or concrete for railing, support posts or decorative applications. Once it's in the correct position, pull the trigger while applying pressure on the back of the drill. You need to select anchors that are at least 4 inches long. Use a drill with a hammer drill bit to install a concrete sleeve anchor into the center of the concrete footing. Depending on your climate, let concrete set up for 24 - 48 hours. If you don't mind the hardware showing you can use a connector designed to bolt a 4x4 to a poured concrete footing or pier. up from the bottom of the footing. You can mount the 4×4 post base on the surface of your concrete slab if you have more than one point of support on your post. You should be able to use bolts stuck down in the holes and the anchors w a large washer under the heads maybe a lockwasher too. To attach a wood handrail post to concrete: Mark the location of the holes in a metal post bracket on the concrete. If you ledger it to the house on one side, 4 4x4s holding a support beam will be sufficient. Drill into the concrete. For a fence post where the 4x4 posts rise about 5. Place your foot behind the post when nailing. The strongest and deepest set anchor bolts with the largest diameters should be used for loads fastened to concrete overhead. Use a drill with a hammer drill bit to install a concrete sleeve anchor into the center of the concrete footing. 4x4 6x6 8x8 4x6 Rough 6x6 + View All Material Connector Compatibility Wood to Concrete Wood to Wood Wood to Steel Base Type Standoff Post Base Regular Column Base Regular Post Base Adjustable Post Base Standoff Column Base Connector Finish G185 Galvanized Powder coated G90 Galvanized Hot dip galvanized Paint + View All Features. Attaches a post to existing concrete for decks, patio covers and other top-supported structures Features 1-in standoff to help prevent rot at post end Slotted for adjustability Designed for versatility, cost-effectiveness and. Masonry and Concrete Anchors. They don't provide nearly enough stability to keep a post standing under load. Basically get a couple of small drop in or wedge anchors or similar. After fitting the anchors to the concrete slabs, we recommend you fit the wooden posts into place. One or two galvanized or stainless-steel washers between the post base and the concrete should do. Use pressure-treated lumber skids attached underneath the posts, adding sand/gravel underneath to. Drill pilot holes through the posts and insert the lag bolts on both sides of the anchor. How to attach wood posts / railing to concrete with …. 4x4 Plastic Post Anchor at Menards®">4x4 Plastic Post Anchor at Menards®. Required fields are marked Previous FAQ: Laying Bricks On Concrete?. Add concrete into the hole and around the 4” x 4”. Regular drill bits will dull too quickly. The best-rated product in 4x4 Wood to Concrete Post Bases is the CB Hot-Dip Galvanized Column Base for 4x4 Nominal Lumber. Screw anchor plates to 4x4's. Best way to drill a hole in cement or masonry in 5 minutes and screw it down HK Media 172K views 2 years ago Tapcon Concrete Screws in Cinder block, Concrete or Brick | Tapcon. It consists of 2 stairs and a 3' by 4' landing all PTL. com">The Buried Post Footing. How To Set Pressure Treated 4x4 Wood Posts In Concrete …. Working with Masonry & Concrete Anchors Use a hammer drill when installing anchors into hard surfaces, such as stone, concrete and brick. Next, set a pressure treated wood support post rated for "ground contact" on top of the pad and backfill the soil into the hole. 5 feet and preferably a bit more in depth to secure a free standing post. How long will a 4×4 post last in concrete?. Anchoring Your Posts to Concrete: Tips and Tricks. After marking on the post where I want. The quickest and most secure way to mount a wooden 4x4 or 6x6 deck post to an existing deck surface is via a Titan Post Anchor. But since you are dealing with hardened concrete you will have to drill a hole and use an anchor bolt, or epoxy in a regular galvanized bolt. Clear out old anchors. Wood to Concrete Post Brackets anchor bolt. Use a spirit level to plumb the post, before attaching the 2×4 braces. Your posts must be embedded a substantial distance into the concrete. Secure anchor to concrete with liquid nail (would prefer another method of securing anchor to concrete). How To Set Pressure Treated 4x4 Wood Posts In Concrete (VERY STRONG!) The Honest Carpenter 783K views 4 years ago How To Attach A Timber Frame To Concrete Foundation - Pt. Can be as simple as poly or sill gasket. See more Reply Save Like Knucklez · #9 · Sep 12, 2011. Whether you're building a cover for a concrete patio, mounting posts on concrete steps or installing a railing around a concrete porch, you have to attach the 4x4 posts so they remain upright and rigid. An easy way to locate and drill the holes for the anchors is clamping a short piece of 2x4 to the side of the 4x4 post to hold it temporarily at the desired height. Learn how to install different types of anchors in concrete and brick, using a hammer drill. Titan Post Anchor. Drill two holes on the lower part adjusting holes depths for slope so that anchors stick out just enough to make everything level. Insert the wood post in the post bracket, and screw or nail it in place. I think the best way to attach it is to put three 4x4 posts into the concrete (one in each corner) and attach the 'old fencing' to the posts. You will need to drill a pilot hole when using any type of concrete anchor. Hold the hammer drill perpendicular to the concrete and press the bit against the concrete. This will give sufficient depth to offer proper support to the posts on the cement patio. but when i installed hurricane ties between all beams & joists it made a HUGE difference. 67 The 4 x 4 Plastic Post Anchors are used to Surface mount 4 x 4. Strike anchor, concrete screws, drive anchor, and sleeve anchor Show more. Each anchor consists of an unthreaded pin set into a metal sleeve. Install the Adjustable Post Base to the sleeve anchor and tighten the bolt to secure the attachment. Working with Masonry & Concrete Anchors Use a hammer drill when installing anchors into hard surfaces, such as stone, concrete and brick. Secure anchor to concrete with liquid nail (would prefer another method of securing anchor to concrete). Slide in the same size piece (as I cut off) of a new painted PT 4x4 with new anchor plate w/standoff (shown below). Often asked: How To Anchor 4x4 Post To Concrete?. Screw anchor plates to 4x4's. Drill pilot holes through the posts and insert the lag bolts on both sides of the anchor. You’d first have to dig the hole for the pier, usually 24 inches in diameter, then pour a concrete footing. You will need to drill a pilot hole when using any type of concrete anchor. That would put a little more than 3" of anchor into the concrete if installed according to the manufacturer's spec. Simply drill a hole into the concrete, hold the fixture you’re fastening over the hole, then use a hammer to tap the anchor. Use a spirit level to plumb the post, before attaching the 2×4 braces. Attaching wood posts to concrete using a Simpson Strong Tie E-Z Base "fence post base". How many bags of concrete do I need for a 4×4 post? Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. The rod slips into these holes. To install a deck post with the Titan Post Anchor, first use a Hole Saw to create an opening in the bottom of your wooden deck post. To install an anchor in concrete, you’ll need to drill a hole using a hammer drill and masonry bit. A Beginner's Guide to Attaching Things to Concrete and Brick. The quickest and most secure way to mount a wooden 4x4 or 6x6 deck post to an existing deck surface is via a Titan Post Anchor. When you pour concrete footings, hold the cardboard concrete form tube about 12 in. I noticed that the existing 4x4 posts are buried about 5 or 6 inches in the ground before they come to rest on the cement piers. Drill holes into the concrete that are the right diameter for lead shields using a masonry bit in a hammer drill. You'll need to measure the anchors and the bolts to be shorter than the holes you drill in the concrete. 4x4 Plastic Post Anchor at Menards®. Make a mark on your post that corresponds to the bottom of the skid right next to it. my deck is fully floating, 36" high. there are screw in models as well http://www. August 10, 2011 There’s a couple of ways to go about this; (1) is to use four inch wide U shaped brackets that bolt to the concrete base, with through bolts going. The only issue is drilling all the holes but I've got plenty 1/2" hammer drill bits and a fridge full of drinks. Often asked: How To Mount 4x4 Post To Concrete?. A good rule of thumb when side mounting is to attach at least one-third of the post below. Titan Anchors provide a solid, powder-coated steel connection point for your wooden post to attach to the surface below. You can wrap tape around the bit to mark your desired depth, should be a little more than the lengh of the anchors. Anchoring fence post to concrete slab, ideas. Slide in the same size piece (as I cut off) of a new painted PT 4x4 with new anchor plate w/standoff (shown below). Basically get a couple of small drop in or wedge anchors or similar. Place 2x4s For Sliding The Floor Over With your holes dug, place your treated 4x4 posts in the ground. Depending on the project and design, you can choose from one of three methods to attach the posts. Install the Adjustable Post Base to the sleeve anchor and tighten the bolt to secure the attachment. To install an anchor in concrete, you'll need to drill a hole using a hammer drill and masonry bit. You should be able to use bolts stuck down in the holes and the anchors w a large washer under the heads maybe a lockwasher too. Introduction How To Set Pressure Treated 4x4 Wood Posts In Concrete (VERY STRONG!) The Honest Carpenter 722K subscribers Subscribe 11K Share 783K views 4 years ago Deck-Related Projects (Honest. August 10, 2011 There's a couple of ways to go about this; (1) is to use four inch wide U shaped brackets that bolt to the concrete base, with through bolts going through both sides of the bracket & through the timber. It is essential to make sure the post is plumb when inserting the screws. Attach Flange to Anchor Bolts - Place the flange on the bolts. A Beginner's Guide to Attaching Things to Concrete and …. Attaching Deck Post Bases to Concrete. SoWhat would be the best way of attaching the 4x4 posts to the top of the concrete wall? See more 2 Reply Save Like 1 - 5 of 5 Posts M mako1 · #2 · Oct 4, 2014. Use cement pier blocks like these, adding sand/gravel underneath to get them level. Take your post out and cut it flush on your line. The connector I used kept the 4x4 about 3/4" off the ground. Use the anchors. THE RIGHT AND WRONG WAY TO ANCHOR RAILING TO CONCRETE. After fitting the anchors to the concrete slabs, we recommend you fit the wooden posts into place. I noticed that the existing 4x4 posts are buried about 5 or 6 inches in the ground before they come to rest on the cement piers. Install a Fence Post onto Concrete. Overhead Loads Consideration #1: Tension Since the load is being held in place to the concrete, the tension weight is directly downward, putting a strain on the anchor bolts in this way. Shop Simpson Strong-Tie 4-in x 4-in Zmax Wood To Concrete (Retrofit) Baseundefined at Lowe's. Anchoring a Post on Concrete. Now such posts are usually fastened to the concrete base at the bottom and to a roof on the top. Models are available for attaching to. After fitting the anchors to the concrete slabs, we recommend you fit the wooden posts into place. How many bags of concrete do I need for a 4×4 post? Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. You could also shorten the lever by countersinking the nut and washer into the 4x4. They work great and are real easy to use. Learn how to install different types of anchors in concrete and brick, using a hammer drill. You could get the same effect by rip cutting a half-lap into a 4x4. I would think that concrete footings are serious overkill. They should be pretty close to the skids they will be supporting. Mounting a Core and Set Post on the. Insert a piece of copper wire into the holes. What are some popular features for 4x4 Wood to Concrete Post Bases?. Plenty of sizes of concrete anchors at Lowes or H depot and a 1/2 hammerdrill will be needed to drill the concrete. Titan Anchors provide a solid, powder-coated steel connection point for your wooden post to attach to the surface below. Attaches a post to existing concrete for decks, patio covers and other top-supported structures. Insert lead shields into the holes in the concrete. Use 1 1/2” lag screws to secure the post into position. How to Choose Anchor Bolts: The Complete Buyer’s Guide. Attach Anchors to Concrete - Once the holes have been drilled and all debris removed, fit anchors into the holes and use a hammer to drive them in. How to Install 4x4 Post on Concrete: 3 Definitive …. To install an anchor in concrete, you’ll need to drill a hole using a hammer drill and masonry bit. Each anchor consists of an unthreaded pin set into a metal sleeve. 4x4 6x6 8x8 4x6 Rough 6x6 + View All Material Connector Compatibility Wood to Concrete Wood to Wood Wood to Steel Base Type Standoff Post Base Regular Column Base Regular Post Base Adjustable Post Base Standoff Column Base Connector Finish G185 Galvanized Powder coated G90 Galvanized Hot dip galvanized Paint + View All Features. Make a mark on your post that corresponds to. com">Attaching Deck Post Bases to Concrete. You need to select anchors that are at least 4 inches long. The best-rated product in 4x4 Wood to Concrete Post Bases is the CB Hot-Dip Galvanized Column Base for 4x4 Nominal Lumber. The strongest and deepest set anchor bolts with the largest diameters should be used for loads fastened to concrete overhead. Afterwards, insert lag screws and nails into the post, through the anchors. You could also shorten the lever by countersinking the nut and washer into the 4x4. Best way to drill a hole in cement or masonry in 5 minutes and screw it down HK Media 172K views 2 years ago Tapcon Concrete Screws in Cinder block, Concrete or Brick | Tapcon Concrete. August 10, 2011 There’s a couple of ways to go about this; (1) is to use four inch wide U shaped brackets that bolt to the concrete base, with through bolts going through both sides of the bracket & through the timber. How to Fasten a 4X4 Post to a Concrete Slab. A third option for attaching a post to solid concrete or concrete block is side mounting, which works well on an elevated masonry base, such as steps or a raised concrete porch. Depending on your climate, let concrete set up for 24 – 48 hours. Attach Anchors to Concrete - Once the holes have been drilled and all debris removed, fit anchors into the holes and use a hammer to drive them in. Depending on your climate, let concrete set up for 24 – 48 hours. Mounting Post on the Surface of Concrete You can mount the 4×4 post base on the surface of your concrete slab if you 2. 5 to 6 feet above the ground the holes need to be 2 to 2. The 3 Ways of How to Install 4×4 Post on Concrete 1. The 4 x 4 Plastic Post Anchors are used to Surface mount 4 x 4 wooden posts on a deck or concrete for railing, support posts or decorative applications Features Easy to Install Engineered for strength and quality Check local building codes for compliance Fits 4x4 nominal posts Optional Accessories Specifications Product Type Anchor Material HDPE. The depth of the hole will depend on the type of anchor you’re using. This footing method involves pouring a concrete pad at least 12” thick at the base of your hole. Use long screws to screw new 4x4 piece to existing 4x4. Wedge anchors are fasteners that rely on expanding sleeves to anchor two-by-fours permanently. Let end of 4x4 rest directly on cement, paint the end with exterior finish for some extra moisture protection. Place 2x4s For Sliding The Floor Over With your holes dug, place your treated 4x4 posts in the ground. Using Home Depot materials a Makita drill and Red Head anchors. Features 1-in standoff to help prevent rot at post end. The connector has holes on the bottom to accomodate screws or anchors. One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners. Working with Masonry & Concrete Anchors Use a hammer drill when installing anchors into hard surfaces, such as stone, concrete and brick. They're mostly designed to anchor the base of the post, and to keep it off the concrete. For example, if you're using a expansion anchor, the hole should be slightly deeper than the length of the anchor. Cut a piece of copper wire approximately the same length as the concrete and wood hole, and thread it through the holes before you drive the screw in. Copper wire ensures that the concrete screws will fit tightly into the hole. How long will a 4×4 post last in concrete?. The 4 x 4 Plastic Post Anchors are used to Surface mount 4 x 4 wooden posts on a deck or concrete for railing, support posts or decorative applications Features Easy to Install Engineered for strength. Drill through the stud to make a divot on the concrete. 4x4 Plastic Post Anchor Model Number: 858760 Menards ® SKU: 1127900 Final Price: $10. Whether you're building a cover for a concrete patio, mounting posts on concrete steps or installing a railing around a concrete porch, you have to attach the 4x4 posts so they remain upright and rigid. One thing you will need to do though is provide a barrier between any concrete and wood to prevent moisture from the slab getting trapped by the wood and causing rot. Consequently, the last step when anchoring a post to concrete, is to drill pilot holes with a drill machinery through the holes in the post anchor. Location. This looks okay, but you will end up with the nuts protruding out 1 side. Best way to secure an arbor. Alternatively, you could attach the simpson anchor directly to the concrete slab. If you don't mind the hardware showing you can use a connector designed to bolt a 4x4 to a poured concrete footing or pier. Strike anchor, concrete screws, drive anchor, and sleeve anchor Show more Show more. After marking on the post where I want the bolts, I drill holes through the posts. Best Way to Anchor 4x4 Post to Concrete Wall. The connector has holes on the bottom to accomodate screws or anchors. surface mount core and set or side mount. Another way to go would be to double up two 2x4's, with the second 2x4 inside the first, with its butt sitting on the top of the step. Best way to drill a hole in cement or masonry in 5 minutes and screw it down HK Media 172K views 2 years ago Tapcon Concrete Screws in Cinder block, Concrete or Brick | Tapcon Concrete. As you can notice in the diagram, you need. Another way that involves less strain and hard work is to glue the plywood to. How to Attach 4x4 Post To Deck. setting deck posts (4x4) in concrete anchors/piers. Drill holes into the concrete that are the right diameter for lead shields using a masonry bit in a hammer drill. For example, if you’re using a expansion anchor, the hole should be slightly deeper than the length of the anchor. How many bags of concrete do I need for a 4×4 post? Mix two 50lb bags of concrete with water in a mixing tub or 5-gallon bucket. The 4 x 4 Plastic Post Anchors are used to Surface mount 4 x 4 wooden posts on a deck or concrete for railing, support posts or decorative applications Features Easy to Install Engineered for strength and quality Check local building codes for compliance Fits 4x4 nominal posts Optional Accessories Specifications Product Type Anchor Material HDPE. To attach a wood handrail post to concrete: Mark the location of the holes in a metal post bracket on the concrete. August 10, 2011 There’s a couple of ways to go about this; (1) is to use four inch wide U shaped brackets that bolt to the concrete base, with through bolts going through both sides of the bracket & through the timber. This only requires a few materials and will adhere the plywood very securely in place. The connector I used kept the 4x4 about 3/4" off the ground. Each anchor consists of an unthreaded pin set into a metal sleeve. I put the connector where I wanted it, marked thru the holes and predrilled using a masonry bit. One way to attach plywood to a concrete surface is to screw it into place with concrete fasteners. Add concrete into the hole and around the 4” x.