Square Post Surface Mount Base
This Square Post Surface Mount Base is designed to hold galvanized square posts up to 8 ft. tall on surfaces like concrete and asphalt. It is available for 1-3/4" and 2" square posts, made of galvanized steel for durability, and has four 9/16" mounting holes for anchoring the base to the ground.
Each Square Post Surface Mount Base comes with 2 corner bolts and 2 nuts to secure a sign post. It can also be ordered with a concrete anchor kit which contains four 1/2" x 4" lag screws, four 3" plastic anchors, and four 1/2" washers, or it can be ordered with an asphalt anchor kit which contains four 6" anchors, four 1" hex head bolts, 4 washers and 2 bags of concrete based grout.
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10 x 10″ Base For 1¾″ Square Posts
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| Material | Sku | Quantity/Price | |
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| Galvanized Steel | Y3546-175SQSM | $74.95 | |
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10 x 10″ Base For 1¾″ Square Posts with Concrete Anchors
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| Material | Sku | Quantity/Price | |
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| Galvanized Steel | Y3546-175SQSMC | $89.95 | |
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10 x 10″ Base For 1¾″ Square Posts with Asphalt Anchors
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| Material | Sku | Quantity/Price | |
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| Galvanized Steel | Y3546-175SQSMA | $110.95 | |
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10 x 10″ Base For 2″ Square Posts
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| Material | Sku | Quantity/Price | |
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| Galvanized Steel | Y3546-2SQSM | $74.95 | |
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10 x 10″ Base For 2″ Square Posts with Concrete Anchors
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|---|---|---|---|
| Material | Sku | Quantity/Price | |
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| Galvanized Steel | Y3546-2SQSMC | $89.95 | |
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10 x 10″ Base For 2″ Square Posts with Asphalt Anchors
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|---|---|---|---|
| Material | Sku | Quantity/Price | |
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| Galvanized Steel | Y3546-2SQSMA | $110.95 | |
Phone: 800-274-6271
Fax: 800-279-6897
- All
- Anchors
- Brackets
- Hardware
- Posts
Galvanized Square Sign Post
Y3536, Y3537
Drive Rivets
Y3527
Bolting Set (2 bolts, 2 nuts, 4 washers)
Y4931, Y4899, Y3465
Tamperproof Set (2-bolts, 2-nuts, 4-washers)
Y4900, Y4901, Y3551
Corner Bolt Set with Jam Nuts
Y3535
Concrete Anchor Kit For Mounting Sign Base
Y4949
Asphalt Anchor Kit For Mounting Sign Base
Y4988
1-3/4" Square Post Flat Blade Street Name Sign Bracket
Y3510, Y3511
2" Square Post Flat Blade Street Name Sign Bracket
Y3512, Y3513
90 Degree Cross Piece For Flat Blade Street Name Signs
Y3441
2-Way Adjustable Cross Piece For Flat Blade Street Name Signs
Y3447
Adjustable Cross Separator For Flat Blade Street Name Signs
Y3504, Y3505
1-3/4" Square Post Extruded Blade Street Name Sign Bracket
Y3510, Y3511
2" Square Post Extruded Blade Street Name Sign Bracket
Y3512, Y3513
90 Degree Cross Piece For Extruded Blade Street Name Signs
Y4969
2-Way Adjustable Cross Piece For Extruded Blade Street Name Signs
Y4970
Adjustable Cross Separator For Extruded Blade Street Name Signs
Y3504, Y3505
One Way Bolts
Y4911TB, Y4912TB, Y3552
5/16" Break-Away Nuts
Y4921
5/16" Nylon Washers
Y4918
5/16" Zinc Plated Washers
Y4919
Frequently Purchased Together
Square Post Surface Mount Base
The square post surface mount base is a great choice when you need to install a sign post in concrete or asphalt surfaces and don't want to cut through them to install the post. Two versions are available for 1¾″ or 2″ posts and it is made of galvanized steel for durability. It has four 9/16″ mounting holes in each corner of the base plate for anchoring the base to the ground.
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Installation
There are two options for installing your surface mount base in the ground based on the type of surface you are installing the base in. Option 1 utilizes concrete anchors for concrete surfaces and option 2 utilizes an asphalt anchor kit for asphalt surfaces.
Option 1 – Concrete Anchors
Tools required:
- Hammer drill with ⅝″ (16mm) bit
- Small hammer
- ¾″ socket and ratchet wrench
- ½″ socket and ratchet wrench
Installation instructions:
- Place base on surface, align to desired position. Using the base as a template, mark the four (4) holes to establish pattern for drill.
- Drill four (4) holes 3″ (75mm) deep using a ⅝″ (16mm) drill bit. Clean holes.
- Using a small hammer gently tap the anchors into the holes.
- Place base over the anchors. Put washer onto lag screw. Start lag screw through base hole into anchor. Use ¾″ wrench to tighten lag screw snug into base.
- Insert your sign post to the base and secure the post by tightening the two bolts on the side of the base using the ½″ socket.
Option 2 – Asphalt Anchors
Tools required:
- Hammer drill with ⅝″ (16mm) bit
- Small hammer
- ¾″ socket and ratchet wrench
- ½″ socket and ratchet wrench
Installation instructions:
- Drill holes (4) per anchor specs on the side.
- Fill holes with grout (1 bag of grout per every 2 holes).
- Push anchors in flush with surface and wait 15 minutes.
- Attach the base to anchors by using the 1″ long bolts and washers supplied.
- Insert your sign post to the base and secure the post by tightening the two bolts on the side of the base using the ½″ socket.
