Tag Archives: anchoring a building

Getting Your Structure Ready for Spring

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From our recent Winter Q&A

  • Reduced anchor holding power in wet ground
  • Ventilation ahead of planting time
  • Uninflating roll up sides
  • Coping with excessively with loose covers
  • Extra protection for tender crops

Stay tuned for future Q&As and submit your questions to be featured!
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Anchoring: Base Brackets vs Anchor Posts

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edit-Base Bracket
anchor post photo

We offer two main types of anchoring for our structures: Base Brackets (left pic) and Anchor Posts (right pic).

Which one you decide to go with largely depends on your application and location. They are not to be used together, it is a one or the other option. No matter which option you choose, please be aware, there is no such thing as too many anchors!

Although the building can be anchored directly into the ground with Anchor Posts, it can also sit on a slab, curb or beam or it can be elevated on some sort of a wall. Base brackets with lag bolts are supplied standard to fasten the building to the chosen form of foundation. Anchor Posts are available at an additional cost.

Anchor Posts must be set into concrete when:

  • the soil has been recently excavated (within the last 5 years)
  • it is required by the building code (use of concrete usually classifies the building as permanent)
  • extremely windy and exposed areas exist (at least use on the corner posts)
  • more than 10% of the anchor post will be out of the ground (upgrading anchor post size may be needed)
  • there are areas where erosion has been a problem in the past

Anchor Posts SHOULD NOT be used (and base brackets used instead) when:

  • the soil is a very heavy clay (heaving would be a constant problem)
  • there is a shallow rock layer
  • there are major amounts of rocks interfering with the accuracy of anchor post setting
  • the structure will be moved shortly (anchor posts must be cleaned out before reusing)

Recommendations are based on years of experience. Ultimately the customer is responsible to properly anchor a structure
Please see our installation pages for a more detailed breakdown of this topic Base Brackets vs Anchor Posts

Greenhouses 101 & 202

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Norm spoke at the Guelph Organic Conference January 31, 2015 on Greenhouses 101: Knowing the basics before you buy-Choices and Consquences
You can find the articles and information posted, as well as a video of his presentation and the Q&A below.

Greenhouses 101: What are you trying to accomplish? What are you dealing with?Greenhouses 101: Climate and Air Effects on your Structure
Greenhosues: 101: Covering Options
Greenhouses 101: Greenhouse Shapes & Configurations
Greenhouses 101: Orientation and Location
Greenhouses 101: Knowing the basics before you buy Greenhouses 101: Greenhouse Choices

Norm did a presentation at the Guelph Organic Conference on Greenhouses 202: Making sure your structure survives the elements. The presentation is broken into three parts for easy viewing, the last section of which is the Q&A. These tips apply for greenhouses, storage buildings, livestock shelters, really anything we sell. Key Points Covered in the presentation:

  1. Some basic principles of engineering so that the forces exerted on the buildings could be better understood.
  2. The many components of anchoring. Anchoring prevents a structure from settling under snow load, prevents lifting under aerodynamic forces and prevents shifting with wind forces.
  3. The similarities of an airplane wing to the shape of a structure. What happens when surfaces become bigger, wider. lower and higher.
  4. How uneven loads can happen and how to prevent them.
  5. The proper procedure to removing excessive snow load

Read more here: Greenhouses 202: How to get your structure to survive the elements

Watch more here:

Anchoring: Base Brackets vs Anchor Posts

Posted on by

edit-Base Bracketanchor post photo

We offer two main types of anchoring for our structures: Base Brackets (left pic) and Anchor Posts (right pic).

Which one you decide to go with largely depends on your application and location. They are not to be used together, it is a one or the other option. No matter which option you choose, please be aware, there is no such thing as too many anchors!

Although the building can be anchored directly into the ground with Anchor Posts, it can also sit on a slab, curb or beam or it can be elevated on some sort of a wall. Base brackets with lag bolts are supplied standard to fasten the building to the chosen form of foundation. Anchor Posts are available at an additional cost.

Anchor Posts must be set into concrete when:

  • the soil has been recently excavated (within the last 5 years)
  • it is required by the building code (use of concrete usually classifies the building as permanent)
  • extremely windy and exposed areas exist (at least use on the corner posts)
  • more than 10% of the anchor post will be out of the ground (upgrading anchor post size may be needed)
  • there are areas where erosion has been a problem in the past

Anchor Posts SHOULD NOT be used (and base brackets used instead) when:

  • the soil is a very heavy clay (heaving would be a constant problem)
  • there is a shallow rock layer
  • there are major amounts of rocks interfering with the accuracy of anchor post setting
  • the structure will be moved shortly (anchor posts must be cleaned out before reusing)

**Recommendations are based on years of experience. Ultimately the customer is responsible to properly anchor a structure**
Please see our installation pages for a more detailed breakdown of this topic Base Brackets vs Anchor Posts

Anchoring: Base Brackets vs Anchor Posts

Posted on by

edit-Base Bracketanchor post photo

We offer two main types of anchoring for our structures: Base Brackets (left pic) and Anchor Posts (right pic).

Which one you decide to go with largely depends on your application and location. They are not to be used together, it is a one or the other option. No matter which option you choose, please be aware, there is no such thing as too many anchors!

Although the building can be anchored directly into the ground with Anchor Posts, it can also sit on a slab, curb or beam or it can be elevated on some sort of a wall. Base brackets with lag bolts are supplied standard to fasten the building to the chosen form of foundation. Anchor Posts are available at an additional cost.

Anchor Posts must be set into concrete when:

  • the soil has been recently excavated (within the last 5 years)
  • it is required by the building code (use of concrete usually classifies the building as permanent)
  • extremely windy and exposed areas exist (at least use on the corner posts)
  • more than 10% of the anchor post will be out of the ground (upgrading anchor post size may be needed)
  • there are areas where erosion has been a problem in the past

Anchor Posts SHOULD NOT be used (and base brackets used instead) when:

  • the soil is a very heavy clay (heaving would be a constant problem)
  • there is a shallow rock layer
  • there are major amounts of rocks interfering with the accuracy of anchor post setting
  • the structure will be moved shortly (anchor posts must be cleaned out before reusing)

**Recommendations are based on years of experience. Ultimately the customer is responsible to properly anchor a structure**
Please see our installation pages for a more detailed breakdown of this topic Base Brackets vs Anchor Posts

Video: Installing Anchors into a Base Beam

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The main function of anchors is to prevent uplift. Do not forget about the “foundation function” as well which is meant to prevent settling or lateral shifting.

Improperly anchoring a building from up lift, down force and lateral movement will all, equally, cause problems and expense.

There are many different ways of anchoring a building because there are so many circumstances which people are dealing with.

When anchors can be installed at opposing angles, they work against each other and therefore will multiply their  holding power.

  • Care must be taken to stay away from anchors that will bend (i.e. re-bar).
  • When the anchors are going straight into the ground, care must be taken to ensure proper holding power. This is most often done with plugs of concrete.
  • When anchors have been extended out of the ground, care must be exercised to eliminate the possibility of outward lean.
  • It is important to consider the total amount of square inches of contact area between anchors and soil. Many time fewer big anchors is less holding power.

One thing which simply can not be stressed enough is that there simply is no such thing as too many anchors. Anchors are generally very inexpensive, especially when you are looking with hind site at some damage.

For more details and to watch an illustration, please see our YouTube Video below