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Anchor a gazebo without drilling in concrete

Anchoring a gazebo or other outdoor structure such as a borehole or pergola to a concrete base without drilling holes is a tricky but very practical skill. Once you’ve come down, you can easily apply it to countless smaller projects, such as anchoring a new house for your four-legged best friend, securing an outdoor kitchen or building a patio with entertainment – the sky’s the limit.

Security warning: To protect your skin, always wear protective gloves when working with masonry and glue. It is also a good idea to equip a respirator and make sure you have adequate ventilation. Keep glue or other adhesives for buildings well out of the reach of children and animals, and try not to touch your face while working with these materials. Follow the manufacturer̵

7;s guidelines for product use and safety.

Getting Started

Even if you do not need a drill or drill for this project, you still need to put together some specific tools. Concrete is obviously quite hard, and masonry and a hammer drill are required to cut for bolt holes. None of the drill bits that you would normally use to drill in wood are strong enough for concrete, and they quickly become dull if used in more than a moment.

gluing bricks to support a wooden post

Bonding bricks to concrete

While the concept of gluing bricks or cement blocks to concrete almost seems to defy logic, there are a number of stickers for brand names on the market.

To begin with, clean the surfaces to be glued as much as possible to ensure the best possible bonding. Making sure the temperature is optimal for the glue is also crucial – if it is too hot or too cold, the glue will probably not work properly. Normally construction adhesive works best at a temperature range between 69 and 95 degrees Fahrenheit, but check the product instructions to be sure. If the weather is too extreme, you may need to pitch a tent over the site and use heaters or coolers to bring the temperature to a viable area. Alternatively, you may be able to find another adhesive label that works under these conditions.

Apply the glue to the brick or ash block to be glued and then align them carefully before placing the bricks in place so that the glue does not get dirty too badly, or end up with the bricks out of line when the glue is set up. Let the glue dry for at least 24 hours unless otherwise stated in the manufacturer’s instructions.

Bonding wood to concrete

hand scrape glue on wooden beams

To glue a piece of wood to concrete, you must again clean and dry the material that is glued together, otherwise the glue will not stick well if it binds at all. The wood that you glue on the concrete should be as flat and smooth as possible. If the wood is bent or rough, it can cause problems with gluing. This can cause your gazebo to detach under stress from wind and weather and end up in the neighbor’s garden, which can cause serious injury and damage, for which you may be responsible.

If you do not mind making holes in your concrete, you can use nails that are specially made to nail wood to concrete. Ask your local home improvement sales assistant to help you find concrete nails if that’s your plan.

If not, your best option may be an epoxy adhesive made specifically for attaching wood to concrete. Many construction adhesives can do the trick.

Once the wood has been glued to the concrete, use a holder or clamp to hold it in place until the glue dries completely. If this is not practical, it will be just as well to place a weight on the wood instead of a clamp. Do not move or remove the weight until the glue has dried completely.

Never assume that gluing bricks, wood or other material to concrete to secure a large structure such as a gazebo will work just like concrete anchors that need to be drilled. Side torsion from wind and weather can eventually break the bond and leave your gazebo exposed to serious wind damage. Holes in concrete can always be filled in later with a small piece of cement plaster or epoxy resin.

pour sealant and filler on a concrete floor

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