John Allen, PE | 256.652.6857 | Email SCD

Southern Construction and Design

Insulated Concrete Forms

SCD is a distributor and installer of Build Block Insulated Concrete Forms (ICF) We are also certified to train installers of this product.

ICF will provide superior wall insulation (approximately R40 versus R13 for 2×4 framed walls) and maximum storm protection for your family.

Home interiors constructed with ICF are structurally stable and quiet. ICF construction costs 5% to 10% more than conventional construction, but there is a payback period for lower utilities (which costs have always increased over the years), plus the advantage of storm protection. As a minimum, we suggest installing an ICF storm shelter in every home, new or old.

It is important to note the difference between an ICF wall and a concrete-filled block wall: In an ICF wall you get both vertical and horizontal steel rebar, which is tied into the footing. The cavity between the inner and outer polystyrene forms is completely filled with 3000 psi concrete, providing a continuous, solid concrete and steel wall. With concrete-filled cinder block, only vertical rebar is installed. When the block cells are filled, past experience has shown that all the cells are not completely filled (especially the ones at the bottom) because of the off-setting structure of the block cells and the addition of the horizontal “block wire” periodically placed in the wall which obstructs the flow of the concrete.

The features and benefits of above-grade, removable form, solid reinforced and insulated concrete construction for residential and commercial builders are as follows:

  1. Faster to Build – In some cases, it helps shave numerous construction days off a typical home building timeframe.
  2. Quicker Turnaround – A home is “dried-in” when final concrete lift is complete and allows succeeding trade work to begin.
  3. Built to Last – Take pride in building a product that can last 200+ years. Concrete housing will outlast most typical wood structures.
  4. Minimizes Waste – Use of cast-in-place poured concrete drastically reduces construction material waste including lumber, wiring, and mechanical scraps reducing landfill disposal.
  5. Lower Insurance Rates – Building concrete homes significantly reduces potential property damage and loss during disasters like storms and fire. Insurance premiums during construction may also be lower.
  6. Easy Maintenance – Concrete construction is low-maintenance and minimizes damages during construction. Easy clean-up and pre-move-in prep generates quicker closings and quicker collections. It also reduces builder warranty work after the sale.


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